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WO2023157247A1 - Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme - Google Patents

Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme Download PDF

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Publication number
WO2023157247A1
WO2023157247A1 PCT/JP2022/006703 JP2022006703W WO2023157247A1 WO 2023157247 A1 WO2023157247 A1 WO 2023157247A1 JP 2022006703 W JP2022006703 W JP 2022006703W WO 2023157247 A1 WO2023157247 A1 WO 2023157247A1
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WO
WIPO (PCT)
Prior art keywords
flavor
liquid
tobacco
inhaler
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/006703
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English (en)
Japanese (ja)
Inventor
亮祐 長瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2022/006703 priority Critical patent/WO2023157247A1/fr
Priority to KR1020247027059A priority patent/KR20240129622A/ko
Priority to JP2024500870A priority patent/JPWO2023157247A1/ja
Priority to EP22927148.1A priority patent/EP4480326A4/fr
Priority to CN202280091700.9A priority patent/CN118695788A/zh
Publication of WO2023157247A1 publication Critical patent/WO2023157247A1/fr
Priority to US18/767,997 priority patent/US20240358059A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/26—Use of organic solvents for extraction
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/241—Extraction of specific substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts

Definitions

  • the present invention relates to a method for producing a tobacco flavor liquid, a tobacco flavor liquid, a reconstituted tobacco material, and a flavor inhaler.
  • Heating a tobacco material to generate a gas containing flavor components, dissolving the obtained gas in a liquid to obtain a flavor component-containing liquid, and using the flavor component-containing liquid as a tobacco flavor source for a flavor inhaler It is known to use as (for example, Patent Document 1).
  • the flavor component-containing liquid described above has an excellent flavor and taste when used in a flavor inhaler, but it turns black over time and is unfavorable in terms of appearance. Moreover, a change in the color of the flavor component-containing liquid over time means a change in the content component. For this reason, the flavor component-containing liquid may not stably retain its flavor and taste after storage.
  • an object of the present invention is to provide a technique for suppressing discoloration over time of a tobacco flavor liquid for use in a flavor inhaler that generates an aerosol.
  • a method of making a tobacco flavor liquid for use in an aerosol generating flavor inhaler comprising: heating the tobacco material to vaporize flavor components from the tobacco material; dissolving the gas containing the flavor component in a first liquid as an aerosol source to obtain a flavor component-containing liquid; distilling the flavor component-containing liquid at a temperature below the boiling point of the first liquid to obtain a tobacco flavor liquid.
  • a tobacco flavor liquid obtainable by the above method.
  • a flavor inhaler containing a tobacco flavor liquid as described above.
  • a tobacco flavor liquid obtained by the method described above; and a reconstituted tobacco material obtained by obtaining the gas containing the flavor component in the above method obtained by obtaining the gas containing the flavor component in the above method.
  • a flavor inhaler comprising the reconstituted tobacco material described above.
  • a technique for suppressing discoloration over time of a tobacco flavor liquid for use in a flavor inhaler that generates an aerosol is provided.
  • FIG. 1 is a flow chart showing an example of a method for producing a tobacco flavoring liquid.
  • FIG. 2 is a schematic diagram showing an example of a heating device.
  • FIG. 3 is a schematic diagram showing an example of a dissolving device.
  • FIG. 4 is a perspective view showing an example of a heating flavor inhaler.
  • 5 is a perspective view of a power supply unit in the heating flavor inhaler of FIG. 4.
  • FIG. 6 is a cross-sectional view of the heated flavor inhaler of FIG. 4.
  • FIG. FIG. 7 is a block diagram showing the essential configuration of a power supply unit in the heating flavor inhaler of FIG.
  • FIG. 8A is a schematic front view showing an example of an aerosol generator.
  • FIG. 8A is a schematic front view showing an example of an aerosol generator.
  • FIG. 8B is a schematic top view of the aerosol generating device shown in FIG. 8A.
  • FIG. 8C is a schematic bottom view of the aerosol generating device shown in FIG. 8A.
  • FIG. 9 is a schematic side sectional view showing an example of a flavor generating article.
  • FIG. 10 is a cross-sectional view along line III-III of the aerosol generator shown in FIG. 8B.
  • FIG. 11 is a graph showing the width of color change of the tobacco flavoring liquid.
  • FIG. 12 is a graph showing the content of sulfur-containing components in the tobacco flavor liquid.
  • Method for producing tobacco flavor liquid comprises: heating the tobacco material to vaporize flavor components from the tobacco material; dissolving the gas containing the flavor component in a first liquid as an aerosol source to obtain a flavor component-containing liquid; distilling the flavor component-containing liquid at a temperature lower than the boiling point of the first liquid to obtain a tobacco flavor liquid.
  • tobacco flavor liquid produced by this method is used in flavor inhalers that generate aerosols.
  • a "tobacco flavor liquid” includes a first liquid as an aerosol source and various flavor components derived from tobacco materials. When the tobacco flavor liquid is blended in the flavor inhaler and atomized, the first liquid as an aerosol source becomes vapor, and the flavor components migrate into this vapor, resulting in the generation of aerosol (tobacco vapor). be.
  • the term "aerosol source” refers to a source (liquid) for generating vapor (gas) when the tobacco flavor liquid is blended into the flavor inhaler and atomized.
  • the term “aerosol source” refers to a source (liquid) for generating a dispersion medium (gas) for an aerosol (tobacco vapor), and does not include fine particles (such as flavor components) in the aerosol.
  • FIG. 1 shows a flow chart of an example of a method for producing a tobacco flavoring liquid.
  • Heating step (S1) In the heating step (S1), the tobacco material is heated to vaporize the flavor components from the tobacco material. A gas containing a flavor component is obtained by the heating step (S1) (see FIG. 1).
  • tobacco material can be cut tobacco that is ready to be blended into tobacco products such as combustion type or heating type flavor inhalers.
  • “Shredded tobacco ready to be incorporated into tobacco products” means a drying process at a farm, followed by a long-term aging process of one to several years at a raw material plant, and then blending and chopping at a manufacturing plant. It refers to shredded tobacco that is ready to be blended into tobacco products after undergoing various processing such as
  • Tobacco cuts are cut tobacco leaves.
  • Tobacco shredded includes deboned leaves, shredded ribs, and reconstituted tobacco (i.e., tobacco processed into a reusable form from leaf scraps, shredded scraps, shredded ribs, fine powder, etc. generated in the factory work process. material), or a mixture thereof.
  • the shredded tobacco may be pulverized and the resulting pulverized material may be used for the heating step (S1). If pulverized tobacco is used as the tobacco material, the efficiency of recovering flavor components from the tobacco material can be enhanced. This makes it possible to increase the content of flavor components in the finally obtained tobacco flavor liquid.
  • shredded tobacco can be used, for example, yellow variety, burley variety, orient variety can be used.
  • a single variety of shredded tobacco may be used, or a mixture of different varieties may be used.
  • the heating can be performed at a temperature of, for example, 150-400°C, preferably 160-230°C. Heating can be carried out, for example, for 5 to 60 minutes, preferably 10 to 30 minutes.
  • the heating device 2 includes a container 2A for containing the tobacco material 2D, a sintered plate 2B installed on the bottom surface of the container 2A, a preheater 2C for heating the air sent to the container 2A, It has an air channel 2E for sending air to the container 2A, a gas channel 2F for discharging the gas generated by heating the tobacco material 2D from the container 2A, and an oven (not shown) for accommodating the container 2A.
  • the tobacco material 2D is placed in the container 2A. Air is heated by the preheater 2C, and then sent through the air flow path 2E to the gas inlet provided on the bottom surface of the container 2A.
  • a sintered plate 2B placed on the bottom surface of the container 2A is a porous body. Therefore, the high-temperature air entering the container 2A through the gas inlet is supplied to the entire tobacco material 2D via the sintered plate 2B. The tobacco material 2D is heated by the supplied hot air.
  • the container 2A is housed in an oven (not shown). Therefore, the tobacco material 2D is also heated from the outside of the container 2A.
  • gas containing flavor components is generated from the tobacco material 2D and discharged through the gas flow path 2F from the gas discharge holes provided on the upper surface of the container 2A.
  • the oxygen concentration in the air sent to the container 2A may be controlled to change the composition of the gas containing flavor components. For example, when the oxygen concentration in the air is lowered, the content of harmful components in gas containing flavor components can be reduced.
  • the heating process is not limited to using the heating device shown in FIG. 2 as long as the flavor component can be vaporized from the tobacco material.
  • a gas containing flavor components is obtained through the above heating process.
  • the tobacco material remaining after the heating step (S1) can be used in the manufacture of reconstituted tobacco material. Reconstituted tobacco materials are described below.
  • Step of Dissolving in First Liquid (S2) In the dissolving step (S2), the gas containing the flavor component obtained in the heating step (S1) is dissolved in the first liquid as an aerosol source. Thereby, a flavor component-containing liquid is obtained (see FIG. 1).
  • a solution obtained by dissolving a gas containing a flavor component in the first liquid is referred to as a "flavor component-containing liquid”.
  • the first liquid serves as a trap solvent for trapping the flavor component in the liquid.
  • the first liquid also functions as an aerosol source when the tobacco flavor liquid produced by this method is incorporated into a flavor inhaler.
  • a liquid that can be used as an aerosol source in the flavor inhaler can be used as the first liquid.
  • the first liquid for example, propylene glycol, glycerin, 1,3-propanediol, diacetin, polyethylene glycol, or a mixture thereof can be used.
  • the first liquid is preferably propylene glycol, glycerin, or a mixture of propylene glycol and glycerin.
  • the mass ratio of propylene glycol and glycerin is not particularly limited, and can be, for example, 0.1:9.9 to 9.9:0.1.
  • the exemplified first liquid has a low polarity compared to water, and the flavor component has a relatively low polarity. Therefore, the exemplified first liquid is suitable as a liquid for dissolving the flavor component. Also, the illustrated first liquid has a high boiling point compared to water. Therefore, the exemplified first liquid is suitable for evaporating the flavor component without evaporating the first liquid in the subsequent distillation step.
  • the dissolution can be performed by bubbling the gas containing the flavor component obtained in the heating step (S1) into the first liquid.
  • the gas containing the flavor component obtained in the heating step (S1) For example, 3 to 20 mL of the first liquid can be used per 10 g of tobacco material in the dissolving step.
  • the dissolving device 3 shown in FIG. 3 is connected to the heating device shown in FIG. 2 via a gas flow path 2F.
  • the dissolving device 3 includes an inner container 3A for containing a first liquid 3D, a sintered filter 3B as a bubbling nozzle, an outer container 3C for containing the inner container 3A, and a flavor component. is provided to the inner container 3A, and an exhaust gas channel 3G for discharging the gas in the inner container 3A.
  • the melting action is explained below.
  • the gas containing the flavor component obtained in the heating step (S1) is sent through the gas flow path 2F to the sintered filter 3B provided at the tip of the gas flow path 2F.
  • the sintered filter 3B has a porous structure and is immersed in the first liquid 3D. Therefore, the gas containing the flavor component is bubbled through the first liquid 3D. Thereby, the gas containing the flavor component dissolves in the first liquid 3D.
  • the inner container 3A contains glass beads 3E in addition to the first liquid 3D. By bubbling in the presence of the glass beads 3E in this manner, the efficiency of trapping the flavor component in the first liquid 3D can be enhanced.
  • the gas containing the flavor component When the gas containing the flavor component is bubbled through the first liquid 3D, the temperature of the first liquid 3D rises. Therefore, the ice water 3F is stored in the outer container 3C. This can prevent the temperature of the first liquid 3D from rising.
  • the gas generated inside the inner container 3A is discharged through the exhaust gas passage 3G.
  • dissolving step is not limited to using the dissolving apparatus shown in FIG. 3 as long as the gas containing the flavor component obtained in the heating step can be dissolved in the first liquid.
  • the gas containing the flavor component is dissolved in the first liquid to obtain the flavor component-containing liquid.
  • the flavor component-containing liquid usually exhibits a reddish brown color.
  • distillation step (S3) In the distillation step (S3), the flavor component-containing liquid obtained in the dissolving step (S2) is distilled at a temperature lower than the boiling point of the first liquid. A tobacco flavor liquid is thus obtained (see FIG. 1).
  • tobacco flavor liquid the separated liquid obtained by distilling the flavor component-containing liquid. Distillation refers to the operation of heating a mixed liquid to be distilled and condensing (liquefying) the resulting vapor to obtain a separated liquid.
  • Distillation is performed at a temperature lower than the boiling point of the first liquid.
  • the distillation can be carried out at a temperature above 100°C and below the boiling point of the first liquid. More preferably, the distillation can be carried out at a temperature equal to or higher than the boiling point of the first liquid minus 40°C and lower than the boiling point of the first liquid.
  • Distillation can be carried out, for example, at a temperature in the range 150-180°C. Distillation can be carried out, for example, under atmospheric pressure.
  • the distillation temperature is below 188.2°C, preferably above 100°C and below 188.2°C, More preferably, the temperature is 148.2°C or higher and less than 188.2°C.
  • the method may further comprise adding a second liquid as an aerosol source to the tobacco material prior to the heating step (S1).
  • Addition of an aerosol source to the tobacco material prior to the heating process can help vaporize the flavor components from the tobacco material during the heating process and increase the recovery efficiency of the flavor components from the tobacco material. This makes it possible to increase the content of flavor components in the finally obtained tobacco flavor liquid.
  • a liquid that can be used as an aerosol source in the flavor inhaler can be used.
  • Propylene glycol, glycerin, 1,3-propanediol, diacetin, polyethylene glycol, or a mixture thereof can be used as the second liquid.
  • the second liquid is preferably propylene glycol, glycerin, or a mixture of propylene glycol and glycerin.
  • the mass ratio of propylene glycol and glycerin is not particularly limited, and can be, for example, 0.1:9.9 to 9.9:0.1.
  • the exemplified liquid has a low polarity compared to water, and the flavor component has a relatively low polarity.
  • the exemplified liquids are suitable as liquids for assisting the vaporization of flavor components from the tobacco material.
  • the second liquid may be of the same type as the first liquid, or may be of a different type from the first liquid. In this step, for example, 0.1 to 20 mL of the second liquid can be added per 10 g of tobacco material.
  • the tobacco flavor liquid obtained by the above method is less likely to discolor over time (see Example 1 below). Therefore, when such a liquid tobacco flavor is incorporated into a flavor inhaler, it is possible to provide the user with a desirable appearance when exchanging or refilling the liquid tobacco flavor, even if some time has passed since the manufacturing of the liquid tobacco flavor. .
  • the tobacco flavoring liquid is less likely to discolor over time means that the content components are less likely to change over time. Therefore, when such a liquid tobacco flavor is incorporated into a flavor inhaler, it is possible to provide the user with an excellent flavor and taste even after a long period of time has passed since the liquid tobacco flavor was manufactured.
  • the tobacco flavor liquid obtained by the above method has a small amount of sulfur-containing components immediately after preparation, and the amount of sulfur-containing components decreases after storage (see Example 2 below).
  • the content of the sulfur-containing component when such a liquid tobacco flavor is incorporated into a flavor inhaler, it is possible to provide the user with an excellent flavor and taste even after a long time has passed since the liquid tobacco flavor was manufactured. .
  • Tobacco flavor liquid obtained by the above-described "method for producing a tobacco flavoring liquid".
  • the tobacco flavoring liquid is resistant to discoloration over time and has an excellent flavor and taste even after storage. Therefore, when such a liquid tobacco flavor is incorporated into a flavor inhaler, it is possible to provide the user with a desirable appearance when replacing or refilling the liquid tobacco flavor, and to provide the user with an excellent flavor and taste during use.
  • the tobacco flavoring liquid obtained by the above-mentioned "method for producing tobacco flavoring liquid” can be incorporated into an aerosol-generating flavor inhaler according to known techniques. An example of using the tobacco flavoring liquid will be described below.
  • the tobacco flavor liquid can be used as a tobacco flavor source for the flavor inhaler by incorporating it as a liquid into a liquid atomization type flavor inhaler and atomizing it at the time of use.
  • the tobacco flavor liquid can be added to tobacco materials (for example, deboned leaves or leaf tobacco), the resulting mixture can be dried, and the resulting dried product can be used as the tobacco flavor source for the flavor inhaler.
  • tobacco materials for example, deboned leaves or leaf tobacco
  • the tobacco flavor liquid is added to the tobacco material remaining after the above-described heating step (S1), and from the resulting mixture, a tobacco molding such as sheet tobacco or tobacco granules is produced, and the tobacco molding is flavor-inhaled.
  • a tobacco molding such as sheet tobacco or tobacco granules is produced, and the tobacco molding is flavor-inhaled.
  • the tobacco flavoring liquid is added to the tobacco material remaining after the heating step (S1) described above, the resulting mixture is dried and pulverized to produce tobacco powder, and the tobacco powder is used as the tobacco material (e.g., deboned tobacco). leaves or tobacco) and the resulting mixture can be used as a tobacco flavor source in flavor inhalers.
  • the tobacco material e.g., deboned tobacco. leaves or tobacco
  • the tobacco flavoring liquid is added to the tobacco material remaining after the heating step (S1) described above, the resulting mixture is dried and pulverized to prepare tobacco powder, and the tobacco powder is suspended in water to obtain a tobacco slurry. is prepared, the tobacco slurry is added to a tobacco material (eg, deboned leaf or leaf tobacco), and the resulting mixture is used as the tobacco flavor source for the flavor inhaler.
  • a tobacco material eg, deboned leaf or leaf tobacco
  • the tobacco flavor liquid can be encapsulated according to a known technique, incorporated into the filter portion of the flavor inhaler with the obtained flavor capsule, and broken during use to be used as the tobacco flavor source of the flavor inhaler. can.
  • the tobacco flavoring liquid may be used in combination with the tobacco material remaining after the heating step (S1) described above. Therefore, according to another aspect, a tobacco flavoring liquid obtained by the above-described "method for producing a tobacco flavoring liquid"; and (i.e., the tobacco material remaining after the heating step (S1)) obtained when the gas containing the flavor component is obtained in the above-described "method for producing tobacco flavor liquid”. be done.
  • heating the tobacco material to vaporize flavor components from the tobacco material in particular, heating the tobacco material to vaporize flavor components from the tobacco material; dissolving a gas containing a flavor component in a first liquid as an aerosol source to obtain a flavor component-containing liquid; distilling the flavor component-containing liquid at a temperature lower than the boiling point of the first liquid to obtain a tobacco flavor liquid; and (i.e., the tobacco material remaining after the heating step) obtained in obtaining the gas containing the flavor component.
  • the reconstituted tobacco material may be the product obtained by drying the mixture of the tobacco flavor liquid and the tobacco material remaining after the heating step (S1). This product can be used as a tobacco flavor source in flavor inhalers.
  • the reconstituted tobacco material is a tobacco molded product obtained by molding a mixture of the tobacco flavor liquid and the tobacco material remaining after the heating step (S1) into a specific shape such as a sheet shape or a granule shape.
  • the tobacco molded body can be used as a tobacco flavor source for flavor inhalers.
  • the regenerated tobacco material may be tobacco powder obtained by drying and pulverizing a mixture of the tobacco flavor liquid and the tobacco material remaining after the heating step (S1). Tobacco powder can be added to tobacco materials (eg, deboned leaves and leaf tobacco) to enhance the flavor of the tobacco materials.
  • tobacco materials eg, deboned leaves and leaf tobacco
  • the flavor-enhanced tobacco material can be used as a tobacco flavor source in a flavor inhaler.
  • the reconstituted tobacco material is obtained by drying a mixture of the tobacco flavoring liquid and the tobacco material remaining after the heating step (S1), pulverizing it into powder, and suspending the obtained powder in water. It may be a tobacco slurry. Tobacco slurry can be added to tobacco materials (for example, deboned leaves and leaf tobacco) to enhance the flavor of the tobacco materials.
  • tobacco materials for example, deboned leaves and leaf tobacco
  • the flavor-enhanced tobacco material can be used as a tobacco flavor source in a flavor inhaler.
  • the reconstituted tobacco material may contain additives such as binders, pH adjusters, preservatives, and antioxidants as necessary.
  • the tobacco flavor liquid described above is less likely to discolor over time. Therefore, when a reconstituted tobacco material is produced using the tobacco flavor liquid described above and the reconstituted tobacco material is incorporated into a flavor inhaler, substances that cause discoloration are less likely to be produced even after storage, and the reconstituted tobacco material is wrapped around. It is difficult to cause stains on the member (for example, wrapping paper).
  • the tobacco flavoring liquid described above does not easily change its contents over time, and has an excellent flavor and taste even after storage. Therefore, when a regenerated tobacco material is produced using the tobacco flavor liquid described above and the regenerated tobacco material is incorporated into a flavor inhaler, it is possible to provide the user with an excellent flavor and taste even after storage.
  • Flavor sucker> The aforementioned "tobacco flavor liquid” or the aforementioned "reconstituted tobacco material” can be incorporated into any flavor inhaler that generates an aerosol. That is, according to another aspect, there is provided a flavor inhaler containing the "tobacco flavor liquid” described above. According to yet another aspect, there is provided a flavor inhaler comprising a "reconstituted tobacco material” as described above. Flavor inhalers include combustion flavor inhalers, heated flavor inhalers, and non-heated flavor inhalers.
  • a flavor inhaler comprising the above-described "tobacco flavor liquid” and an atomization unit that atomizes the tobacco flavor liquid.
  • the flavor inhaler is more preferably a heated flavor inhaler.
  • a flavor inhaler comprising the above-described "tobacco flavor liquid” and an atomization unit that heats and atomizes the tobacco flavor liquid.
  • a flavor inhaler comprising the aforementioned "reconstituted tobacco material” and an atomizing unit for atomizing the liquid component contained in the reconstituted tobacco material.
  • the flavor inhaler is more preferably a heated flavor inhaler.
  • a flavor inhaler comprising the aforementioned "reconstituted tobacco material” and an atomization unit for heating the reconstituted tobacco material to atomize the liquid component contained in the reconstituted tobacco material. .
  • a "combustion type flavor inhaler” is a flavor inhaler that provides tobacco flavor to the user by burning a tobacco filler (such as cut tobacco or molded tobacco). Examples of burning flavor inhalers include cigarettes, pipes, pipes, cigars, or cigarillos.
  • a “heated flavor inhaler” is a flavor inhaler that provides tobacco flavor to a user by heating tobacco flavor sources such as tobacco fillers and tobacco flavor liquids without burning them.
  • tobacco flavor sources such as tobacco fillers and tobacco flavor liquids without burning them.
  • a heating type flavor inhaler a carbon heat source flavor inhaler that heats the tobacco filler with the heat of combustion of the carbon heat source (see e.g. WO2006/073065);
  • An electrically heated flavor inhaler comprising a tobacco stick containing tobacco filler and a heating device for electrically heating the tobacco stick (see e.g. WO2010/110226); and sucks the flavor derived from the tobacco filler together with the aerosol (see, for example, WO2015/046385) etc.
  • a "non-heating flavor inhaler” is a flavor inhaler that provides tobacco flavor to a user without burning or heating a tobacco flavor source such as tobacco filler or tobacco flavor liquid.
  • a tobacco flavor source such as tobacco filler or tobacco flavor liquid.
  • a liquid atomization type flavor inhaler comprising a tobacco flavor liquid and an atomization unit that atomizes the tobacco flavor liquid using surface acoustic waves (see, for example, WO2017/167521) are mentioned.
  • FIG. 4 is a perspective view showing an example of a heating flavor inhaler.
  • 5 is a perspective view of a power supply unit in the heating flavor inhaler of FIG. 4.
  • FIG. 6 is a cross-sectional view of the heated flavor inhaler of FIG. 4.
  • FIG. 7 is a block diagram showing the essential configuration of a power supply unit in the heating flavor inhaler of FIG.
  • the heating flavor inhaler 1 shown in FIGS. 4 to 7 has a rod shape extending along a predetermined direction (hereinafter referred to as longitudinal direction A).
  • the heating type flavor inhaler 1 includes a power source unit 10, a first cartridge 20, and a second cartridge 30 arranged in this order along the longitudinal direction A.
  • the first cartridge 20 is detachable with respect to the power supply unit 10
  • the second cartridge 30 is detachable with respect to the first cartridge 20 .
  • the first cartridge 20 and the second cartridge 30 are each replaceable.
  • the power supply unit 10 accommodates a power supply 12, a charger 13, a controller 50, various sensors, etc. inside a cylindrical power supply unit case 11.
  • the power source 12 is a rechargeable secondary battery, preferably a lithium ion secondary battery.
  • a discharge terminal 41 is provided on the top portion 11a positioned on one end side of the power supply unit case 11 in the longitudinal direction A (on the first cartridge 20 side).
  • the discharge terminal 41 is provided so as to protrude from the upper surface of the top portion 11 a toward the first cartridge 20 and is configured to be electrically connectable to the load 21 of the first cartridge 20 .
  • An air supply section 42 for supplying air to the load 21 of the first cartridge 20 is provided near the discharge terminal 41 on the upper surface of the top section 11a.
  • the bottom portion 11b located on the other end side of the power supply unit case 11 in the longitudinal direction A (the side opposite to the first cartridge 20) has a charging terminal (not shown) that can be electrically connected to an external power supply capable of charging the power supply 12. ) is provided.
  • the operation unit 14 is composed of a button-type switch, a touch panel, and the like, and is used to activate/deactivate the control unit 50 and various sensors in response to user's usage intention.
  • the control unit 50 includes the charger 13, the operation unit 14, the intake sensor 15 that detects the puff (intake) operation, the voltage sensor 16 that measures the voltage of the power supply 12, and the temperature sensor 17 that detects the temperature. etc., and a memory 18 that stores the number of puffing operations or the energization time of the load 21, etc., and performs various controls of the heating flavor inhaler 1.
  • FIG. The intake sensor 15 may be composed of a condenser microphone, a pressure sensor, or the like.
  • the control unit 50 is specifically a processor (MCU: microcontroller unit).
  • the structure of this processor is, more specifically, an electric circuit combining circuit elements such as semiconductor elements.
  • the first cartridge 20 includes a cylindrical cartridge case 27, a reservoir 23 for storing the above-mentioned "tobacco flavoring liquid” 22, and an electric load for atomizing the tobacco flavoring liquid 22. 21, a wick 24 that draws the tobacco flavor liquid from the reservoir 23 to the load 21, an aerosol flow path 25 through which the aerosol generated by atomizing the tobacco flavor liquid 22 flows toward the second cartridge 30, and the second cartridge. an end cap 26 housing a portion of 30;
  • the reservoir 23 is partitioned so as to surround the aerosol flow path 25 and stores the tobacco flavor liquid 22 .
  • the reservoir 23 may contain a porous material such as a resin web or cotton, and the porous material may be impregnated with the tobacco flavor liquid 22 .
  • the reservoir 23 may store only the tobacco flavor liquid 22 without containing a porous material such as a resin web or cotton.
  • the wick 24 is a liquid retaining member that draws the tobacco flavor liquid 22 from the reservoir 23 into the load 21 using capillary action, and is made of, for example, glass fiber or porous ceramic.
  • the load 21 atomizes the tobacco flavor liquid 22 without combustion by power supplied from the power supply 12 via the discharge terminal 41 .
  • the load 21 is composed of a heating wire (coil) wound at a predetermined pitch.
  • the load 21 may be any element capable of atomizing the tobacco flavoring liquid 22 to generate an aerosol, such as a heating element or an ultrasonic generator. Heating elements include heat generating resistors, ceramic heaters, induction heaters, and the like.
  • the aerosol flow path 25 is provided downstream of the load 21 and on the center line L of the power supply unit 10 .
  • the end cap 26 includes a cartridge accommodating portion 26a that accommodates a portion of the second cartridge 30, and a communicating passage 26b that communicates the aerosol flow path 25 and the cartridge accommodating portion 26a.
  • the second cartridge 30 stores the flavor source 31 as shown in FIG.
  • the second cartridge 30 is detachably housed in a cartridge housing portion 26 a provided in the end cap 26 of the first cartridge 20 .
  • the second cartridge 30 has a user's mouthpiece 32 at the end opposite to the first cartridge 20 side.
  • the suction port 32 is not limited to being configured integrally with the second cartridge 30 , and may be configured to be detachable from the second cartridge 30 .
  • the second cartridge 30 passes the aerosol generated by atomizing the tobacco flavoring liquid 22 by the load 21 through the flavor source 31 to impart additional flavor to the aerosol.
  • Tobacco fillers such as sheet tobacco and tobacco granules can be used as the flavor source 31 .
  • Flavor source 31 may incorporate "reconstituted tobacco material" as described above.
  • the flavor source 31 may be provided with a flavor such as menthol.
  • the tobacco flavor liquid 22, the flavor source 31, and the load 21 can generate an aerosol to which additional flavor is added.
  • the tobacco flavor liquid 22 and the flavor source 31 can be said to be an aerosol generating source that generates an aerosol.
  • the heated flavor inhaler 1 has a structure in which the tobacco flavor liquid 22 and the flavor source 31 are separate bodies, but has a structure in which the tobacco flavor liquid 22 and the flavor source 31 are integrally formed. may be Alternatively, the heated flavor inhaler 1 may not include the second cartridge 30 . When the second cartridge 30 is omitted in the heated flavor inhaler 1 as described above, only the aerosol generated by atomizing the tobacco flavor liquid 22 is supplied to the mouthpiece.
  • Load 21 atomizes tobacco flavor liquid 22 drawn or displaced from reservoir 23 by wick 24 .
  • the atomized aerosol flows through the aerosol flow path 25 together with the air that has flowed in from the air inlet, and is supplied to the second cartridge 30 via the communication path 26b.
  • the aerosol supplied to the second cartridge 30 is given additional flavor by passing through the flavor source 31 and supplied to the mouthpiece 32 .
  • the heating flavor inhaler 1 is provided with a notification unit 45 that notifies various information.
  • the notification unit 45 may be configured by a light emitting element, may be configured by a vibration element, or may be configured by a sound output element. Also, the notification unit 45 may be a combination of two or more elements among the light emitting element, the vibration element, and the sound output element.
  • the notification unit 45 may be provided in any of the power supply unit 10, the first cartridge 20, and the second cartridge 30, but is preferably provided in the power supply unit 10 in order to shorten the lead wire from the power supply 12.
  • the notification unit 45 may be provided around the operation unit 14 so that the operation unit 14 has translucency around the operation unit 14 and emits light from a light emitting element such as an LED.
  • FIG. 8A is a schematic front view of an example of an aerosol generating device.
  • FIG. 8B is a schematic top view of the aerosol generating device shown in FIG. 8A.
  • FIG. 8C is a schematic bottom view of the aerosol generating device shown in FIG. 8A.
  • FIG. 9 is a schematic side cross-sectional view of an example of a flavor generating article.
  • FIG. 10 is a cross-sectional view along line III-III of the aerosol generator shown in FIG. 8B.
  • the drawings may have an XYZ orthogonal coordinate system for convenience of explanation.
  • the Z-axis faces vertically upward
  • the XY plane is arranged to cut the aerosol-generating device 100 in the horizontal direction
  • the Y-axis extends from the front to the back of the aerosol-generating device 100. arranged to come out.
  • the Z-axis can also be said to be the direction of insertion of a flavor-generating article housed in the chamber 150 of the atomizing section 130 described later, or the axial direction of the chamber 150 .
  • the X-axis is a direction orthogonal to the Y-axis and Z-axis, and the X-axis and Y-axis can also be called a radial direction orthogonal to the axial direction of the chamber 150 or a radial direction of the chamber 150 .
  • the aerosol generating device 100 is configured to generate an aerosol containing flavor by heating a stick-shaped flavor generating article having a flavor source containing the above-described "reconstituted tobacco material".
  • the aerosol generator 100 has an outer housing 101 (corresponding to one example of a housing), a slide cover 102, and a switch section 103.
  • the outer housing 101 constitutes the outermost housing of the aerosol generator 100 and has a size that fits in the user's hand. When the user uses the flavor inhaler, the user can hold the aerosol generating device 100 in their hand and inhale the aerosol.
  • Outer housing 101 may be configured by assembling a plurality of members.
  • the outer housing 101 is made of, for example, resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), a polymer alloy containing a plurality of types of polymers, or aluminum.
  • resin particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), a polymer alloy containing a plurality of types of polymers, or aluminum.
  • resin particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), a polymer alloy containing a plurality of types of polymers, or aluminum.
  • PC polycarbonate
  • ABS Acrylonitrile-Butadiene-Styrene
  • PEEK polyetheretherketone
  • a polymer alloy containing a plurality of types of polymers or aluminum
  • the outer housing 101 has an opening (not shown) for receiving the flavor generating article, and the slide cover 102 is slidably attached to the outer housing 101 so as to close this opening.
  • the slide cover 102 is positioned between a closed position (position shown in FIGS. 8A and 8B) for closing the opening of the outer housing 101 and an open position (position shown in FIG. 10) for opening the opening.
  • a closed position position shown in FIGS. 8A and 8B
  • an open position position shown in FIG. 10
  • the user can manually operate the slide cover 102 to move the slide cover 102 between the closed position and the open position. This allows or restricts access of flavor generating articles to the interior of the aerosol generating device 100 .
  • the switch unit 103 is used to switch the operation of the aerosol generator 100 between on and off.
  • the user operates the switch unit 103 while inserting the flavor-generating article into the aerosol generating device 100, thereby supplying power from the power supply (see reference numeral 121 in FIG. 10) to the heater (see reference numeral 140 in FIG. 10). can be provided to heat the flavor generating article without burning it.
  • the switch portion 103 may be a switch provided outside the outer housing 101 or a switch positioned inside the outer housing 101 . When the switch is located inside the outer housing 101 , the switch is indirectly pressed by pressing the switch portion 103 on the surface of the outer housing 101 . In this example, an example in which the switches of the switch section 103 are positioned inside the outer housing 101 will be described.
  • the aerosol generator 100 may further have a terminal (not shown).
  • a terminal may be an interface that connects the aerosol generating device 100 with, for example, an external power source.
  • the power source of the aerosol generating device 100 is a rechargeable battery, by connecting an external power source to the terminal, the external power source can supply current to the power source and charge the power source.
  • data relating to the operation of the aerosol generating device 100 may be transmitted to an external device by connecting a data transmission cable to the terminal.
  • FIG. 9 is a schematic side cross-sectional view of one example of a flavor generating article 200.
  • the aerosol generator 100 and the flavor generating article 200 constitute a flavor inhaler.
  • the flavor generating article 200 has a smokable article 201 , a tubular member 204 , a hollow filter portion 206 and a filter portion 205 .
  • the smokable article 201 is wrapped with the first wrapping paper 202 .
  • the tubular member 204 , the hollow filter section 206 and the filter section 205 are wrapped with a second wrapping paper 203 different from the first wrapping paper 202 .
  • the second wrapping paper 203 also wraps the portion of the first wrapping paper 202 that wraps the smokable article 201 .
  • the tubular member 204 , the hollow filter portion 206 and the filter portion 205 are connected to the smokable article 201 .
  • second wrapping paper 203 may be omitted and first wrapping paper 202 may be used to connect tubular member 204, hollow filter portion 206, and filter portion 205 to smokable article 201.
  • a lip release agent 207 is applied to the outer surface of the second wrapping paper 203 in the vicinity of the end on the filter part 205 side to make it easier for the user's lips to separate from the second wrapping paper 203 .
  • a portion of the flavor generating article 200 to which the lip release agent 207 is applied functions as a mouthpiece of the flavor generating article 200 .
  • the smokable material 201 includes the aforementioned "reconstituted tobacco material" as a tobacco flavor source.
  • the first wrapping paper 202 around which the smokable article 201 is wrapped may be a breathable sheet member.
  • Tubular member 204 can be a paper tube or hollow filter.
  • the flavor generating article 200 includes a smokable article 201, a tubular member 204, a hollow filter portion 206, and a filter portion 205, but the configuration of the flavor generating article 200 is not limited to this.
  • the hollow filter portion 206 may be omitted, and the cylindrical member 204 and the filter portion 205 may be arranged adjacent to each other.
  • FIG. 10 is a cross-sectional view along line III-III of the aerosol generator 100 shown in FIG. 8B.
  • an inner housing 110 (corresponding to one example of a housing) is provided inside the outer housing 101 of the aerosol generating device 100 .
  • the inner housing 110 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers, or It can be made of metal such as aluminum. From the viewpoint of heat resistance and strength, the inner housing 110 is preferably made of PEEK.
  • a power supply unit 120 and an atomizing unit 130 are provided in the inner space of the inner housing 110 .
  • the power supply unit 120 has a power supply 121 .
  • Power source 121 may be, for example, a rechargeable battery or a non-rechargeable battery.
  • Power supply 121 is electrically connected to atomization section 130 . Thereby, the power source 121 can supply power to the atomizing section 130 so as to appropriately heat the flavor generating article 200 .
  • the atomizing section 130 includes a metallic chamber 150 (corresponding to an example of a tubular section) extending in the insertion direction (Z-axis direction) of the flavor-generating article 200 and a part of the chamber 150 . It has a covering heater 140 , a heat insulating portion 132 , and a substantially cylindrical insertion guide member 134 (corresponding to an example of a guide portion) that contacts the opening of the chamber 150 .
  • Chamber 150 is configured to surround flavor generating article 200 .
  • the heater 140 is configured to include a heating portion that contacts the outer peripheral surface of the chamber 150 and heats the flavor generating article 200 inserted into the chamber 150 .
  • the bottom of the chamber 150 is provided with a bottom member 136 (corresponding to an example of a contact portion).
  • the bottom member 136 contacts the flavor generating article 200 inserted into the chamber 150 in the insertion direction of the flavor generating article 200 and can function as a stopper that positions the flavor generating article 200 .
  • the chamber 150 and the bottom member 136 constitute a storage section that stores at least part of the flavor generating article 200 .
  • the bottom member 136 can be made of, for example, a resin material.
  • the bottom member 136 has an uneven surface with which the flavor generating article 200 abuts, and can supply air to the air intake port of the flavor generating article 200 (that is, it communicates with the flavor generating article 200 accommodated in the accommodation section).
  • the bottom member 136 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), a polymer alloy containing a plurality of types of polymers, or aluminum. can be formed from metals such as
  • the bottom member 136 is preferably formed of a material having a low thermal conductivity in order to suppress heat transfer to the heat insulating portion 132 and the like.
  • the heat insulation part 132 is generally cylindrical as a whole, and is arranged so as to cover the chamber 150 .
  • Insulation 132 may include, for example, an airgel sheet.
  • An insertion guide member 134 is provided between the slide cover 102 in the closed position and the chamber 150 .
  • the insertion guide member 134 is made of resin, for example, and is particularly made of polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers. obtain.
  • the insertion guide member 134 may be made of metal, glass, ceramic, or the like.
  • the insertion guide member 134 is preferably made of PEEK.
  • the insertion guide member 134 communicates with the outside of the aerosol generating device 100 when the slide cover 102 is in the open position, and the flavor generating article 200 can be inserted into the chamber 150 by inserting the flavor generating article 200 into the insertion guide member 134 . to guide the insertion of By providing the insertion guide member 134 , the flavor generating article 200 can be easily inserted into the chamber 150 .
  • the aerosol generating device 100 further has a first holding portion 137 and a second holding portion 138 that hold both ends of the chamber 150 and the heat insulating portion 132 .
  • the first holding portion 137 is arranged to hold the ends of the chamber 150 and the heat insulating portion 132 on the Z-axis negative direction side.
  • the second holding portion 138 is arranged to hold the end portions of the chamber 150 and the heat insulating portion 132 on the slide cover 102 side (Z-axis positive direction side).
  • a method for producing a tobacco flavor liquid for use in an aerosol-generating flavor inhaler comprising: heating the tobacco material to vaporize flavor components from the tobacco material; dissolving the gas containing the flavor component in a first liquid as an aerosol source to obtain a flavor component-containing liquid; distilling the flavor component-containing liquid at a temperature below the boiling point of the first liquid to obtain a tobacco flavor liquid.
  • A3] The method according to [A1] or [A2], wherein the distillation is performed at a temperature equal to or higher than the boiling point of the first liquid minus 40°C.
  • [A4] The method according to any one of [A1] to [A3], wherein the first liquid is propylene glycol, glycerin, 1,3-propanediol, diacetin, polyethylene glycol, or a mixture thereof.
  • [A5] The method according to any one of [A1] to [A4], wherein the first liquid is propylene glycol, glycerin, or a mixture of propylene glycol and glycerin.
  • [A6] The method according to any one of [A1] to [A5], wherein the distillation is performed at a temperature within the range of 150 to 180°C.
  • [A7] The method according to any one of [A1] to [A6], wherein the distillation is carried out under atmospheric pressure.
  • [A8] The method according to any one of [A1] to [A7], further comprising adding a second liquid as an aerosol source to the tobacco material prior to the heating.
  • the second liquid is propylene glycol, glycerin, 1,3-propanediol, diacetin, polyethylene glycol, or a mixture thereof.
  • the second liquid is propylene glycol, glycerin, or a mixture of propylene glycol and glycerin.
  • [A11] The method according to any one of [A8] to [A10], wherein the second liquid is added in an amount of 0.1 to 20 mL per 10 g of the tobacco material.
  • [A12] The method according to any one of [A1] to [A11], wherein the heating is performed at a temperature of 150 to 400°C.
  • [A13] The method according to any one of [A1] to [A12], wherein the heating is performed at a temperature of 160 to 230°C.
  • [A14] The method according to any one of [A1] to [A13], wherein the heating is performed for 5 to 60 minutes, preferably 10 to 30 minutes.
  • [A15] The method according to any one of [A1] to [A14], wherein the heating is performed by supplying heated air to the tobacco material.
  • [A16] The heating according to any one of [A1] to [A15], wherein the heating is performed by supplying heated air to the tobacco material through a porous body (preferably a porous plate). Method.
  • [B1] A tobacco flavor liquid obtained by the method according to any one of [A1] to [A21].
  • [C1] A flavor inhaler containing the tobacco flavor liquid according to [B1].
  • [C2] A flavor inhaler comprising the tobacco flavor liquid described in [B1] and an atomizing unit for atomizing the tobacco flavor liquid.
  • [C3] A flavor inhaler comprising the tobacco flavor liquid described in [B1] and an atomizing unit that heats and atomizes the tobacco flavor liquid.
  • [D3] The reconstituted tobacco material according to [D2], wherein the tobacco moldings are sheet tobacco or tobacco granules.
  • [E1] A flavor inhaler comprising the reconstituted tobacco material according to any one of [D1] to [D3].
  • [E2] A flavor inhaler comprising the regenerated tobacco material according to any one of [D1] to [D3] and an atomizing unit for atomizing the liquid component contained in the regenerated tobacco material.
  • [E3] A flavor inhaler comprising the regenerated tobacco material according to any one of [D1] to [D3] and an atomizing unit that heats and atomizes the liquid component contained in the regenerated tobacco material.
  • Example 1 In Example 1, the color change over time of the tobacco flavoring liquid was investigated.
  • the flavor component-containing liquid was distilled at 170°C. Distillation was carried out at atmospheric pressure. A "tobacco flavor liquid” was obtained by distillation. It was confirmed that the obtained tobacco flavor liquid had a flavor and taste equivalent to that of the flavor component-containing liquid.
  • the color of the tobacco flavor liquid was evaluated by measuring the absorbance over the range of 570-690 nm. Specifically, the absorbance was measured for each of the tobacco flavor liquid before storage, the tobacco flavor liquid after storage, the flavor component-containing liquid before storage, and the flavor component-containing liquid after storage. From the measured value of absorbance, the width of change was calculated by the following formula.
  • results are shown in FIG. In FIG. 11, the horizontal axis indicates the wavelength from 570 to 690 nm, and the vertical axis indicates the width of change.
  • a wavelength of 570 to 690 nm is a wavelength in the vicinity of yellow to red, and is considered to be a wavelength band that affects the color change of the flavor component-containing liquid and the tobacco flavor liquid. The closer the width of change is to 1, the more the color change of the tobacco flavor liquid is comparable to the color change of the flavor component-containing liquid.
  • a larger change width value exceeding 1 indicates a smaller change in the color of the tobacco flavor liquid than that of the flavor component-containing liquid.
  • the tobacco flavor liquid did not change color after storage compared to the flavor component-containing liquid. This result indicates that the discoloration-causing substances were removed from the flavor component-containing liquid by the distillation operation, and that the tobacco flavor liquid contained almost no discoloration-causing substances. In addition, it is suggested that the liquid tobacco flavor maintains its flavor and taste stably because the content components do not easily change over time.
  • Example 2 In Example 2, the content of sulfur-containing components in the tobacco flavor liquid after storage was examined.
  • Tobacco flavoring liquid was placed in a vial and stored at 40° C. under atmospheric pressure for one month or two months. As a control, a flavor component-containing liquid was stored under the same conditions.
  • Tobacco flavor liquid before storage Tobacco flavor liquid after storage for 1 month, Tobacco flavor liquid after storage for 2 months, Flavor component-containing liquid before storage, Flavor component-containing liquid after storage for 1 month, and Flavor after storage for 2 months
  • the contents of methanethiol and dimethyltrisulfide were measured for each of the component-containing liquids.
  • the measurement was performed using GC-MS (Agilent, 5977B). Samples were introduced using a thermal desorption introduction system (GERSTEL TDS3). The area ratio of methanethiol with respect to the internal standard substance and the area ratio of dimethyltrisulfide with respect to the internal standard substance were totaled, and the obtained total value was defined as "content of sulfur-containing component".
  • results are shown in FIG. In FIG. 12, 0M represents before storage, 1M after storage for 1 month, and 2M after storage for 2 months.
  • the vertical axis in FIG. 12 represents the content of the sulfur-containing component as a relative value when the content of the sulfur-containing component in the flavor component-containing liquid before storage is set to 1.
  • the sulfur-containing component is not a causative agent of discoloration, it has an undesirable odor, so its content is preferably as small as possible.
  • the tobacco flavor liquid before storage had a smaller amount of sulfur-containing components than the flavor component-containing liquid before storage.
  • the amount of sulfur-containing components increased after storage, but in the tobacco flavor liquid, the amount of sulfur-containing components decreased after storage. From these results, it can be seen that the tobacco flavor liquid has a small amount of sulfur-containing components even after storage, and can provide users with an excellent flavor and taste.

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Abstract

L'invention concerne un procédé de production d'un liquide aromatisé au tabac destiné à être utilisé dans un inhalateur d'arôme qui génère des aérosols, ledit procédé de production comprenant : le chauffage d'un matériau de tabac pour vaporiser un composant d'arôme à partir du matériau de tabac ; la dissolution, dans un premier liquide en tant que source d'aérosol, d'un gaz contenant le composant d'arôme pour obtenir un liquide contenant un composant d'arôme ; et la distillation du liquide contenant un composant d'arôme à une température inférieure au point d'ébullition du premier liquide pour obtenir un liquide aromatisé au tabac.
PCT/JP2022/006703 2022-02-18 2022-02-18 Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme Ceased WO2023157247A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2022/006703 WO2023157247A1 (fr) 2022-02-18 2022-02-18 Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme
KR1020247027059A KR20240129622A (ko) 2022-02-18 2022-02-18 담배 향미액의 제조 방법, 담배 향미액, 재생 담배 재료, 및 향미 흡인기
JP2024500870A JPWO2023157247A1 (fr) 2022-02-18 2022-02-18
EP22927148.1A EP4480326A4 (fr) 2022-02-18 2022-02-18 Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme
CN202280091700.9A CN118695788A (zh) 2022-02-18 2022-02-18 烟草香味液的制造方法、烟草香味液、再生烟草材料及香味抽吸器
US18/767,997 US20240358059A1 (en) 2022-02-18 2024-07-10 Production method for tobacco flavored liquid, tobacco flavored liquid, reconstituted tobacco material, and flavor inhaler

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PCT/JP2022/006703 WO2023157247A1 (fr) 2022-02-18 2022-02-18 Procédé de production de liquide aromatisé au tabac, liquide aromatisé au tabac, matériau de tabac reconstitué et inhalateur d'arôme

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JPWO2023157247A1 (fr) 2023-08-24
US20240358059A1 (en) 2024-10-31
EP4480326A1 (fr) 2024-12-25
CN118695788A (zh) 2024-09-24
KR20240129622A (ko) 2024-08-27

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