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EP3473117B1 - Tabakfüller für rauchartikel mit verbrennungsfreier erwärmung - Google Patents

Tabakfüller für rauchartikel mit verbrennungsfreier erwärmung Download PDF

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Publication number
EP3473117B1
EP3473117B1 EP16909544.5A EP16909544A EP3473117B1 EP 3473117 B1 EP3473117 B1 EP 3473117B1 EP 16909544 A EP16909544 A EP 16909544A EP 3473117 B1 EP3473117 B1 EP 3473117B1
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EP
European Patent Office
Prior art keywords
tobacco
diacetin
acetic acid
weight
aerosol generating
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.)
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EP16909544.5A
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English (en)
French (fr)
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EP3473117A1 (de
EP3473117A4 (de
Inventor
Masayuki Tsuji
Nobuyuki Ishikawa
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
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Japan Tobacco Inc
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Publication of EP3473117A4 publication Critical patent/EP3473117A4/de
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    • 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
    • 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
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/14—Tobacco cartridges for pipes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • 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
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the present invention relates to a tobacco filler for a non-combustion type heat smoking article that fills a non-combustion type heat smoking article for use.
  • non-combustion type heat smoking articles that replace cigarettes and allow tasting of a flavor without combusting tobacco have been developed, and one which is a pod-shaped container containing a flavor component and a component capable of generating aerosol filling the container or one having a heat source at a tip thereof are typically known.
  • WO 2016/005600 A1 is related to an aerosol-generating system with an aerosol generating liquid and homogenised tobacco.
  • JP S63-148975 A described above indicates that flavor tasting is preferable when an aerosol generating liquid used is glycerol, triethylene glycol and propylene glycol.
  • propylene glycol added in the invention disclosed in JP S63-148975 A has low boiling point and high vapor pressure, and thus is liable to volatilize in the oral cavity. Because of this, propylene glycol may create an atmosphere in which components other than propylene glycol contained in aerosol are also liable to volatilize, thereby undergoing phase transition to gas phase as propylene glycol does.
  • the volatilized components contain, in addition to flavor components, substances that inhibit sensing of flavor. Therefore, in order to eliminate inhibition of flavor tasting, it is required to significantly increase the amount of propylene glycol generated per se or convert the same to aerosol generating liquid that may hardly be volatilized.
  • an object of the present invention is to provide a tobacco filler for a non-combustion type heat smoking article that can maintain preferable flavor tasting and suppress "inhibition of flavor tasting".
  • the inventors of the present invention carried out an extensive study in order to solve the problem and, as a result, found that the above problem can be solved by adding an aerosol generating liquid containing at least one of diacetin and monoacetin to a tobacco filler and using a tobacco material having an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less, thereby completing the present invention.
  • preferable flavor tasting can be maintained while suppressing "inhibition of flavor tasting" in a non-combustion type heat smoking article in which a filler containing a tobacco material is heated.
  • the tobacco filler for a non-combustion type heat smoking article contains a tobacco material having an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less and an aerosol generating liquid containing at least one of diacetin and monoacetin, wherein an added amount of the aerosol generating liquid is 50% by weight to 300% by weight relative to the weight of the tobacco material.
  • the tobacco material included in the tobacco filler of the present invention has an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less.
  • the tobacco material has an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less, an activity of a hydrolase (acetyl esterase) in the tobacco material included in the tobacco filler is sufficiently suppressed and the amount of acetic acid generated by hydrolysis of monoacetin and diacetin during storage of the tobacco filler is reduced. As a result, deterioration of flavor tasting during use of the tobacco filler can be prevented.
  • a hydrolase acetyl esterase
  • the tobacco material more preferably has an acetic acid generation rate constant of 1.17 ⁇ 10 -8 s -1 or less and particularly preferably 1.00 ⁇ 10 -8 s -1 or less.
  • Fig. 6 illustrating the relationship of the proportion of acetic acid generated relative to the days of storage confirmed in Examples described hereinbelow, generation of acetic acid (decomposition of diacetin) behaves according to first-order reaction until day 21 of storage.
  • the acetic acid generation rate constant k organized relative to the days t of storage can be represented by the following first-order reaction rate equation.
  • kt ⁇ ln 1 ⁇ C C max
  • C represents the acetic acid amount
  • C max represents the maximum amount of acetic acid generated by hydrolysis of diacetin added.
  • the acetic acid generation rate constant is calculated under the following conditions.
  • a mixture of a tobacco material and diacetin is prepared by adding 100 mg of diacetin to 100 mg (wet weight) of the tobacco material.
  • the prepared mixture is stored for 2 months under conditions of 22°C and humidity of 60%.
  • the type of leaf tobacco used for the tobacco material is not particularly limited and examples thereof include flue-cured tobacco, Burley tobacco, Japanese domestic tobacco, regenerated tobacco and the like.
  • Examples of the part to be used include the leaf (expanded tobacco), stem, rib (cut stem), root, flower and the like.
  • the dimension of the shredded tobacco is not particularly limited.
  • the shredded tobacco may have a sphere equivalent diameter of generally 1.5 mm or less and preferably 0.5 mm or less and generally 0.01 mm or more as measured by a projected area method (such as the method using, for example, Camsizer (Retsch GmbH)).
  • tobacco leaves When shredded tobacco is used, tobacco leaves may be cut into the size (maximum diameter) of 0.01 mm to 100 mm.
  • the tobacco material used is obtained by treating a starting material for obtaining the tobacco material so as to have an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less.
  • Examples of the treatment include a treatment for inactivating hydrolase that affects the acetic acid generation rate constant and is included in tobacco leaves or the like in a starting material that provides the tobacco material.
  • Examples of the treatment for inactivating hydrolase in tobacco leaves include a treatment that causes structural change of a protein that forms the enzyme such as heat treatment. Specifically, an embodiment of heating at a temperature of 130°C or higher for 60 minutes or more may be mentioned. When the temperature is increased, the heating time may be appropriately decreased.
  • Another treatment for inactivating hydrolase may be physical treatments such as a treatment of heating simultaneously with drying or freeze-drying.
  • Another treatment may be chemical treatments in which a starting material that provides the tobacco material is used in the presence of an organic solvent or in which an acid/base is added to tobacco leaves.
  • the tobacco filler of the present invention contains the tobacco material at generally 20% by weight or more, preferably 30% by weight or more and more preferably 40% by weight or more, and generally 80% by weight or less, preferably 70% by weight or less and more preferably 60% by weight or less.
  • the content within the above range can maintain preferable flavor tasting during use and effectively suppress "inhibition of flavor tasting".
  • the tobacco filler of the present invention contains an aerosol generating liquid that contains at least one of diacetin and monoacetin.
  • the tobacco filler of the present invention contains an aerosol generating liquid that contains at least one of diacetin and monoacetin
  • aerosol generated during use of a non-combustion type smoking article containing the tobacco filler of the present invention is less volatilized due to dilution in oral cavity, and components that can inhibit sensing of flavor components included in aerosol can be prevented from undergoing phase transition to gas phase. Due to the above, inhibition of flavor tasting can be reduced.
  • an extent of volatilization of generated aerosol due to dilution in oral cavity is evaluated by measuring the "aerosol residual rate after dilution".
  • a higher aerosol residual rate after dilution means a lower inhibition of flavor tasting.
  • the aerosol generating liquid used in the present invention contains at least one of diacetin and monoacetin.
  • the added amount of the aerosol generating liquid is 50% by weight to 300% by weight relative to the tobacco material included in the tobacco filler.
  • the content of the aerosol generating liquid that contains at least one of diacetin and monoacetin is 50% by weight or more relative to the tobacco material, inhibition of flavor tasting can be effectively reduced.
  • the upper limit of the content of the aerosol generating liquid that contains at least one of diacetin and monoacetin is 300% by weight or less in order to allow smooth heating of the tobacco filler during use thereof in a non-combustion type smoking article.
  • diacetin contains about 42% by weight of diacetin and about 38% by weight of monoacetin.
  • monoacetin A commercially available "monoacetin” solution contains about 45% by weight of monoacetin and about 36% by weight of diacetin.
  • diacetin when added at 50% by weight relative to the tobacco material as a solution that contains at least one of diacetin and monoacetin, the content of diacetin relative to the tobacco material is about 21% by weight and the content of monoacetin is about 19% by weight.
  • a commercially available "diacetin” solution contains 81% by weight in total of diacetin and monoacetin, and a commercially available “monoacetin” solution contains 81% by weight in total of diacetin and monoacetin.
  • the total amount of diacetin and monoacetin relative to the tobacco material is about 40% by weight.
  • Embodiments of the aerosol generating liquid used in the present invention include one containing both diacetin and monoacetin.
  • the aerosol generating liquid used in the present invention preferably contains diacetin and monoacetin in total at 50% by weight or more, more preferably 70% by weight or more and particularly preferably 75% by weight or more.
  • the aerosol generating liquid may optionally contain other components in addition to at least one of diacetin and monoacetin as described above.
  • Examples of other components include acids listed hereinafter having a first acid dissociation constant of 4.0 to 6.0 inclusive and a boiling point of 366°C to 600°C.
  • the "first acid dissociation constant” means an acid dissociation constant in water at normal temperature (25°C).
  • boiling point means a boiling point at pressure of 760 mmHg.
  • Examples of the acid include ascorbic acid, isoascorbic acid, heneicosanoic acid, lignoceric acid, octacosanoic acid, nonadecanoic acid and the like.
  • ascorbic acid isoascorbic acid and the like are particularly preferred.
  • the acid as described above allows easier suppression of a reduction in the amount of evaporated flavor components and more effective suppression of "inhibition of flavor tasting".
  • the content thereof is generally 0.25% by weight or more and preferably 1% by weight or more and generally 10% by weight or less.
  • the content within the above range allows easier suppression of a reduction in the amount of evaporated flavor components and more effective suppression of "inhibition of flavor tasting".
  • additives other than the above acid include polyhydric alcohols such as glycerol, propylene glycol, triethylene glycol and tetraethylene glycol; and aliphatic esters of carboxylic acids such as methyl stearate, dimethyl dodecanedioate and dimethyl tetradecanedioate.
  • the component used is not limited to one type and may be a combination of two or more.
  • the tobacco filler of the present invention is expected to have an increase in the acetic acid amount in the tobacco filler, when stored for 2 months or more after preparation, of only 1.1% by weight or less relative to the weight of the aerosol generating liquid added. This is because hydrolase included in the tobacco material is inactivated as described above, and thus the tobacco material has a low acetic acid generation rate constant.
  • the tobacco filler of the present invention also has excellent storage stability.
  • the tobacco filler of the present invention contains shredded tobacco and an aerosol generating liquid.
  • components contained in shredded tobacco such as water is dissolved in the aerosol generating liquid, and thus it can be regarded that the tobacco filler of the present invention also contains water.
  • the tobacco filler of the present invention contains water at generally 5% by mass or more, preferably 7.5% by mass or more and more preferably 10% by mass or more, and generally 30% by mass or less, preferably 25% by mass or less and more preferably 20% by mass or less of the whole tobacco filler.
  • the content within the above range can maintain preferable flavor tasting during use and allows more effective suppression of "inhibition of flavor tasting".
  • the tobacco filler of the present invention may be distributed in the form of being included in a container such as a pod in order to be used for a non-combustion type heat smoking article.
  • a container such as a pod
  • the pod on this occasion may have a well-known shape and may be made of any material without limitation including metals having high thermal conductivity such as aluminium.
  • the amount of the tobacco filler added to the pod may be appropriately adjusted according to the type of the marketed product.
  • the tobacco filler of the present invention is a tobacco filler for a non-combustion type heat smoking article containing shredded tobacco and an aerosol generating liquid.
  • the non-combustion type heat smoking article which is filled with the tobacco filler of the present invention is not particularly limited as to the specific structure and the like thereof, and may appropriately be any well-known non-combustion type heat smoking article.
  • the non-combustion type heat smoking article is hereinafter described by way of specific examples.
  • non-combustion type heat smoking article examples include the one that has the structure as a non-combustion type heat smoking article 10 illustrated in Fig. 8.
  • Fig. 8 is a section view of the cylindrical non-combustion type heat smoking article 10 along the longitudinal direction.
  • the non-combustion type heat smoking article 10 has the structure provided with a battery 101, a pod 103 that accommodates a filler 102 and a heater 104 and a mouthpiece 105. By filling the pod 103 with the tobacco filler of the present invention and heating the same, aerosol is generated.
  • the heating temperature of the tobacco filler in the non-combustion type heat smoking article is generally 22°C or higher, preferably 100°C or higher and more preferably 150°C or higher, and generally 350°C or lower, preferably 300°C or lower and more preferably 250°C or lower.
  • properties of the tobacco filler of the present invention can be more effectively utilized in order to solve the problem on "inhibition of flavor tasting".
  • Shredded tobacco used was obtained by grinding tobacco in a household mixer followed by shaking on a sieve (AS 200, manufactured by Retsch GmbH) under the condition: amplitude-1.5 mm/"g" for 2 minutes, and had a mesh size of 0.5 mm or less.
  • the prepared samples were respectively added to a pod dedicated to a product with the product name "Ploom” marketed by Japan Tobacco Inc. so as to be attached to the pod, and stored for 2 days or more under conditions of 22°C and humidity of 60%.
  • diacetin used in present Examples is a commercially available solution and contains about 42% by weight of diacetin and about 38% by weight of monoacetin as described above.
  • the "monoacetin” used in present Examples is also a commercially available solution and contains about 45% by weight of monoacetin and about 36% by weight of diacetin as described above.
  • thermocouple the heating temperature (during stable operation) of shredded tobacco using Ploom was about 160°C to 170°C by preliminary measurement using a thermocouple.
  • the "extent of volatilization of aerosol” that is important for measuring a reduction of inhibition of flavor tasting was evaluated by "aerosol residual rate after dilution" which was a ratio between the aerosol amount before dilution and the aerosol amount after dilution with cleansed air measured.
  • a measurement of the aerosol amount before dilution was conducted on a smoking machine (Borgwaldt, RM-26) by attaching the prepared pod to Ploom and measuring initial 5 puffs under specified smoking conditions (55 ml/2 s, smoking interval: 30 s).
  • the aerosol amount after dilution was measured as follows: aerosol generated in the same manner as described above was accumulated in an SUS tube (capacity: about 127 cc, length: 25.0 cm, inner diameter: 2.54 cm) and cleaned air was allowed to pass through the tube to create a pseudo dilution condition, aerosol was then allowed to pass through a charcoal packed bed (100 mg) to remove components existing in a gas phase, and then the aerosol amount for initial 5 puffs was measured with a Cambridge filter.
  • the sensory evaluation of the prepared samples was carried out by four evaluators and "inhibition of flavor tasting" was evaluated on a 7-grade scale of 1 to 7. In the results of the present Examples, when the evaluated score on inhibition of flavor tasting was 2.0 or less, evaluators could sufficiently recognize the difference, and thus the region was regarded to have an excellent effect.
  • Fig. 1 indicates the relationship between the aerosol residual rate after dilution and inhibition of flavor tasting when various aerosol generating liquids indicated in Table 1 were used. From Fig. 1 , it is found that the inhibition of flavor tasting tends to decrease as the aerosol residual rate after dilution increases. Namely, it is speculated that when generated aerosol is difficult to volatilize due to dilution in oral cavity and the aerosol amount remaining in the oral cavity after dilution therein is high, substances that may inhibit sensing flavor in aerosol is difficult to undergo phase transition to gas phase, thereby reducing inhibition of flavor tasting. It was also found that diacetin had high aerosol residual rate after dilution, and thus was, as a result, an aerosol generating liquid that provided the lowest flavor tasting inhibition.
  • diacetin and monoacetin are respectively difficult to be isolated, and thus solutions containing diacetin and monoacetin have very similar compositions.
  • a solution containing diacetin (commercially available product) was used as a typical example for studying the amount that was effective for reduction of inhibition of flavor tasting.
  • Fig. 2 indicates the relationship between the amount of solution added relative to the weight of shredded tobacco and inhibition of flavor tasting. From Fig. 2 , it is found that inhibition of flavor tasting was as high as 6.8 when an aerosol generating liquid was not added to shredded tobacco (when the addition of the solution relative to the weight of shredded tobacco was 0% by weight) . Meanwhile, when diacetin was added to shredded tobacco as the aerosol generating liquid, inhibition of flavor tasting decreased as the addition of solution relative to the weight of shredded tobacco increased.
  • the amount of diacetin added that is effective for reduction of inhibition of flavor tasting is 50% by weight or more relative to the weight of shredded tobacco. It was found that when propylene glycol, as a comparison, was added as an aerosol generating liquid at 100% by weight relative to the weight of shredded tobacco, inhibition of flavor tasting was at a similar level as no aerosol generating liquid was added to shredded tobacco. From this result, it is found that for reduction of inhibition of flavor tasting, not only an increased addition of the solution relative to the weight of shredded tobacco is effective, but also use of diacetin is effective and diacetin is suitable for an aerosol generating liquid.
  • acetic acid which is a hydrolysate of diacetin and monoacetin
  • 100 mg of diacetin was added to prepare samples indicated in Table 3.
  • the samples were evaluated for inhibition of flavor tasting and the acetic acid amount.
  • water was further added as indicated in Table 3. The sensory evaluation was carried out by two evaluators and "sourness" was evaluated on a 7-grade scale of 1 to 7.
  • Table 3 Prepared samples and evaluation/assay results Classification Type of shredded tobacco Liquid Amount of water added [mg] Acetic acid generation [mg/pod] Sourness [-] Reference Example 1 Shredded flue-cured tobacco produced in Japan Diacetin 0 1.58 3.5 Reference Example 2 5 2.74 5.75 Reference Example 3 10 3.73 7 Reference Example 4 30 6.97 7 Reference Example 5 Calcium carbonate 0 0.17 1 Reference Example 6 5 0.13 1 Reference Example 7 10 0.11 1 Reference Example 8 30 0.14 1
  • Fig. 3 indicates a graph illustrating the relationship between the added amount of water and the generated amount of acetic acid. From Fig. 3 , the acetic acid amount in sample pods was extremely low for the samples obtained by adding diacetin to calcium carbonate regardless of the added amount of water. Meanwhile, it was found that when diacetin is added to shredded tobacco, a significant amount of acetic acid was generated in proportion to the added amount of water.
  • Fig. 4 indicates a graph illustrating the relationship between the acetic acid amount and sourness . From Fig. 4 , it is found that the acetic acid amount is highly correlated with sourness and the "sourness" sensed during smoking of samples after storage is caused by an increased amount of acetic acid generated by hydrolysis of diacetin.
  • hydrolase in shredded tobacco worked as a catalyst to generate acetic acid, which is a hydrolysate of diacetin.
  • acetic acid which is a hydrolysate of diacetin.
  • an effect of suppression of hydrolysis of diacetin was verified by, as a typical example, heat treatment which is a common manner for inactivating hydrolases.
  • Shredded tobacco was heated as follows: 2 g of shredded tobacco (shredded flue-cured tobacco produced in Japan) was placed in a screw vial (No. 5, produced by Maruemu Corporation) which was then covered and heated at 100°C, 120°C, 140°C or 160°C for 60 min in a hot-air circulating oven (KLO-60M, produced by Koyo Thermo Systems Co., Ltd.) .
  • the samples were prepared in the same manner as in previous Examples, stored for 2 months under the conditions of 22°C and humidity of 60%, and the acetic acid amount was determined and the sensory evaluation was carried out. The sensory evaluation was carried out by two evaluators and "sourness" was evaluated on a 7-grade scale of 1 to 7.
  • acetic acid was determined by storing the samples prepared under the conditions indicated in Table 4 for 2 months under the conditions of 22°C and humidity of 60%, placing the same in screw vials (No. 5, produced by Maruemu Corporation) and subjecting the same to extraction by shaking in a methanol solvent for 40 minutes followed by GC-MS.
  • Fig. 5 indicates a graph illustrating the relationship between the days of storage and the acetic acid amount in pod. From Fig. 5 , it is found that when shredded tobacco is not heated, the acetic acid amount in pod significantly increases with the days of storage, while when only shredded tobacco is preliminarily subjected to heat treatment, the acetic acid amount produced in pod decreases.
  • the generated amount of acetic acid (8.90 mg/pod) after 2-month storage without heating of shredded tobacco can be approximated to the maximum amount (C max ) of acetic acid generated by hydrolysis of added-diacetin to pod, and thus a value obtained by dividing the acetic acid amount (C) in pod by the maximum amount (C max ) of acetic acid generated is defined to be the proportion of acetic acid generated (C/C max ).
  • Fig. 7 indicates a graph obtained by plotting the above equation for each heating temperature condition. From Fig. 7 , the acetic acid generation rate constant k of shredded tobacco was calculated from the slope of the plot from day 1 to day 21 of storage. Because of a small amount of acetic acid contained in shredded tobacco, the graph shown in Fig. 7 does not start from the origin.
  • the acetic acid generation rate constant corresponding to the sourness of 1.5 is 1.25 ⁇ 10 -8 s -1 , and thus it is speculated that a suppression effect of decomposition is sufficiently secured when the tobacco material has an acetic acid generation rate constant of 1.25 ⁇ 10 -8 s -1 or less.
  • the tobacco filler of the present invention can be used for smoking by filling a container such as a pod for a non-combustion type heat smoking article.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture Of Tobacco Products (AREA)

Claims (4)

  1. Tabakfüllung für einen Rauchartikel mit verbrennungsfreier Erwärmung, umfassend ein Tabakmaterial und eine aerosolerzeugende Flüssigkeit, wobei:
    die aerosolerzeugende Flüssigkeit mindestens eines von Diacetin und Monoacetin enthält;
    die aerosolerzeugende Flüssigkeit insgesamt 50 Gew.-% oder mehr von Diacetin und Monoacetin relativ zu der aerosolerzeugenden Flüssigkeit enthält; und
    das Tabakmaterial eine Essigsäureerzeugungsratenkonstante von 1,25 × 10-8 s-1 oder weniger aufweist und eine hinzugefügte Menge der aerosolerzeugenden Flüssigkeit 50 Gew.-% bis 300 Gew.-% relativ zu dem Gewicht des Tabakmaterials ist.
  2. Tabakfüllung nach Anspruch 1, wobei die aerosolerzeugende Flüssigkeit sowohl Diacetin als auch Monoacetin enthält.
  3. Kapsel für Rauchartikel mit verbrennungsfreier Erwärmung, umfassend die Tabakfüllung nach einem der Ansprüche 1 bis 2 darin eingefüllt.
  4. Rauchartikel mit verbrennungsfreier Erwärmung, umfassend die Tabakfüllung nach einem der Ansprüche 1 bis 2.
EP16909544.5A 2016-07-22 2016-07-22 Tabakfüller für rauchartikel mit verbrennungsfreier erwärmung Active EP3473117B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/071526 WO2018016069A1 (ja) 2016-07-22 2016-07-22 非燃焼型加熱喫煙物品用のたばこ充填物

Publications (3)

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EP3473117A1 EP3473117A1 (de) 2019-04-24
EP3473117A4 EP3473117A4 (de) 2020-02-26
EP3473117B1 true EP3473117B1 (de) 2021-04-14

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US (1) US20190142072A1 (de)
EP (1) EP3473117B1 (de)
JP (1) JP6685398B2 (de)
KR (1) KR102197986B1 (de)
CN (1) CN109475181B (de)
CA (1) CA3030815C (de)
EA (1) EA037209B1 (de)
WO (1) WO2018016069A1 (de)

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KR20190029701A (ko) 2019-03-20
US20190142072A1 (en) 2019-05-16
CN109475181B (zh) 2021-07-20
EP3473117A1 (de) 2019-04-24
EP3473117A4 (de) 2020-02-26
EA037209B1 (ru) 2021-02-19
KR102197986B1 (ko) 2021-01-04
CA3030815A1 (en) 2018-01-25
JP6685398B2 (ja) 2020-04-22
WO2018016069A1 (ja) 2018-01-25
JPWO2018016069A1 (ja) 2019-05-30
CN109475181A (zh) 2019-03-15
EA201990361A1 (ru) 2019-06-28

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