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WO2025218623A1 - Cigarette chauffée à arôme de girofle - Google Patents

Cigarette chauffée à arôme de girofle

Info

Publication number
WO2025218623A1
WO2025218623A1 PCT/CN2025/088741 CN2025088741W WO2025218623A1 WO 2025218623 A1 WO2025218623 A1 WO 2025218623A1 CN 2025088741 W CN2025088741 W CN 2025088741W WO 2025218623 A1 WO2025218623 A1 WO 2025218623A1
Authority
WO
WIPO (PCT)
Prior art keywords
clove
tobacco
wick
natural
heated cigarette
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.)
Pending
Application number
PCT/CN2025/088741
Other languages
English (en)
Chinese (zh)
Inventor
赵路灿
吴键
王骏
蒋健
肖卫强
陈震
黎明星
徐建
尹洁
夏骏
史春云
林垦
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.)
China Tobacco Zhejiang Industrial Co Ltd
Original Assignee
China Tobacco Zhejiang Industrial Co Ltd
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 China Tobacco Zhejiang Industrial Co Ltd filed Critical China Tobacco Zhejiang Industrial Co Ltd
Publication of WO2025218623A1 publication Critical patent/WO2025218623A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • 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

Definitions

  • the present application belongs to the field of novel tobacco technology, and for example relates to a heated cigarette with clove flavor.
  • Heated cigarettes are novel tobacco products designed with a "heat-not-burn” approach. They utilize a heating device to heat tobacco containing liquid to a specific temperature, allowing consumers to enjoy the pleasant and satisfying aroma and nicotine-related flavors. This eliminates the production of tar and harmful compounds from high-temperature combustion, and produces virtually no sidestream smoke, thus minimizing environmental impact (generally below 350°C). With the rapid development of novel tobacco products, developing a variety of heated cigarette styles and flavors is a key area for market development.
  • Cloves are a natural plant with a unique aroma and multiple pharmacological activities, widely used in food, cosmetics, fragrances, and medicine.
  • the main components of cloves include eugenol, eugenol aldehyde, eugenol acid, and linalool.
  • Eugenol the primary aroma component of cloves, possesses antioxidant, antibacterial, and antiviral properties.
  • Eugenol the primary active ingredient in cloves, possesses analgesic, antibacterial, and anti-inflammatory properties.
  • Eugenol acid and linalool possess antibacterial, antioxidant, and antiviral properties. Cloves also have analgesic and anti-inflammatory effects.
  • cloves have a unique aroma, and their use in heated cigarettes can improve the flavor and punch of smoke, harmonize well with the aroma, and enhance the quality and experience of the aerosol. Furthermore, the addition of cloves to the core material of heated cigarettes can reduce the release of harmful substances in the smoke.
  • the present application provides a heated cigarette with clove flavor to solve the problems existing in the above-mentioned background technology.
  • the mass ratio of natural clove raw materials and tobacco shreds of the heated cigarette is optimized, so that the content and ratio of clove active ingredients in the smoke are balanced with the tobacco smoke, thereby improving the smoke taste and product quality of the heated cigarette.
  • a heated cigarette with clove flavor comprises a packaging material, a filter portion, and a wick portion, wherein the filter portion is connected to the wick portion, the packaging material wraps the wick portion and at least a portion of the filter portion, the wick portion comprises a wick material, and the wick material comprises tobacco and natural clove raw material, wherein the mass ratio of the natural clove raw material to tobacco is in the range of 3:7 to 4:6.
  • the natural clove raw material is a processed natural clove raw material, including at least one of washing, steaming stems or shredding, which does not destroy the effective active ingredients in the cloves.
  • the tobacco is natural tobacco and/or reconstituted tobacco.
  • the wick material portion includes an inner wick material and an outer wick material, wherein the outer wick material covers the inner wick material, and the content of natural clove raw materials in the outer wick material is lower than that in the inner wick material.
  • the radius R of the outer core material and the radius r of the inner core material satisfy the following formula: 0.4 ⁇ r/R ⁇ 0.7 (3).
  • the core material portion is composed of at least two core material segments, and extends from the filter portion away from the filter portion, and the natural clove content in the core material segment increases;
  • the length L1 of the cigarette core material section close to the filter portion and the length L2 of the cigarette core material section away from the filter portion satisfy the following formula: 0.2 ⁇ L1/L2 ⁇ 0.9 (4).
  • the filter portion comprises a filter segment and a support segment, and the support segment comprises at least one longitudinal cavity.
  • the filter segment is made of acetate tow
  • the support segment is made of at least one of cellulose acetate, paperboard, or crimped paper.
  • the overall length of the heated cigarette is less than 100 mm.
  • the cigarette core material further comprises a smoke agent, and the concentration M of the smoke agent satisfies: M/M 0 ⁇ 12.5 ⁇ m 2 –12.75 ⁇ m+3.85 (1);
  • m represents the ratio of the added amount of the clove product to the total amount of the clove products and the tobacco products
  • M represents the concentration ratio of the smoking product to the total amount of the clove products and the tobacco products
  • M0 represents the optimal addition concentration ratio of the smoking product without adding the clove product.
  • the smoke agent further comprises a concentration ratio that satisfies the following conditions: M/M 0 ⁇ 1.5 ⁇ m-0.15 (2).
  • the smoking article is glycerin
  • the M0 is 12-20%, 20-22.5% or 22.5-25%.
  • FIG1 is a schematic cross-sectional view of a heated cigarette containing natural clove raw material according to the present invention
  • FIG2 is a schematic front view of a multi-section structure of a cigarette core material portion
  • FIG3 is a schematic side view of the multi-layer structure of the core material portion
  • FIG4 is a graph showing the relationship between the added content of cloves and the maximum added content of glycerol in the present application.
  • FIG5 is a graph showing the relationship between the added clove content and the minimum added glycerol content of the present application.
  • the aerosol-generating article of the present application includes a filter portion 100, a packaging material 200, and a core material portion 300.
  • the filter portion 100 and the core material portion 300 are arranged in sequence from near to far, and the packaging material 200 wraps the core material portion 300 and at least a portion of the filter portion 100. Heating the core material portion 300 can generate an aerosol substance that can be inhaled.
  • the packaging material 200 is formed from any suitable material or combination of materials.
  • the packaging material 200 is cigarette paper.
  • the cigarette paper has a grammage of 60 grams per square meter or other suitable parameters.
  • the filter portion 100 may include a filter segment 110 and a support segment 120.
  • the filter segment 110 and the support segment 120 are disposed adjacent to each other from proximal to distal, and the support segment is disposed adjacent to the tobacco core material portion.
  • the filter portion 100 may be formed from one or more suitable filter materials.
  • the filter portion 100 may include a filter formed from cellulose acetate tow.
  • the support segment 120 has low suction resistance.
  • the support segment 120 may include at least one longitudinal cavity 121.
  • the support segment 120 is formed from one or more materials selected from the group consisting of: cellulose acetate; cardboard; curled paper, such as curled heat-resistant paper or curled parchment paper; and polymeric materials, such as low-density polyethylene (LDPE).
  • LDPE low-density polyethylene
  • the support segment 120 may be formed from cellulose acetate.
  • the core material comprises tobacco and natural clove raw materials.
  • the tobacco in this application is natural tobacco and/or reconstituted tobacco.
  • Reconstituted tobacco can be reconstituted tobacco prepared by any method, such as tobacco sheets prepared by a papermaking process.
  • the conventional chemical components of tobacco include nicotine, reducing sugars, total nitrogen, potassium ions, and chloride ions.
  • the amount of natural clove raw materials added should not exceed 30% to 50% of the total weight of the core material. In this embodiment, the amount of natural clove raw materials added can be 40% of the total weight of the core material. Nicotine is the primary substance that provides tobacco with physiological strength; reducing sugars balance the pH of the smoke and produce a sweet, burnt aroma through the Maillard reaction; total nitrogen provides smoke concentration; and potassium and chloride ions are closely related to the combustibility of the tobacco leaves.
  • the wick material portion includes an inner wick material and an outer wick material
  • the outer wick material covers the inner wick material
  • the content of natural clove raw materials in the outer wick material is lower than the content of natural clove raw materials in the inner wick material.
  • the layered design makes the content of natural clove raw materials inside and outside the wick material different, the clove content in the inner wick material (radius r) is higher, and the clove content in the outer wick material (radius R) is lower.
  • the inner clove raw materials can release the aroma more concentratedly, while the outer clove raw materials play an auxiliary role, so that the aroma is evenly distributed throughout the wick, avoiding the aroma being too concentrated or sparse in a certain area, so that a uniform and consistent clove aroma can be felt with every puff.
  • the structural design of the wick material portion improves smoke stability and smoking experience through the coordinated optimization of geometric parameters and content distribution, including:
  • the wick material section consists of at least two wick material segments, satisfying the relationship 0.2 ⁇ L1/L2 ⁇ 0.9.
  • L1/L2 can range from 0.2 to 0.3; 0.3 to 0.4; 0.4 to 0.5; 0.5 to 0.6; 0.6 to 0.7; 0.7 to 0.8; or 0.8 to 0.9.
  • L1/L2 can be 0.4, 0.5, or 0.6.
  • L1 represents the length of the wick material segment closest to the filter
  • L2 represents the length of the wick material segment further from the filter. The natural clove content increases within each wick material segment as it extends from the filter toward the further away portion.
  • This design allows smoke to sequentially pass through different wick material segments during puffing, gradually increasing the release of clove aroma as the puff progresses. This creates an aroma gradient, allowing the user to experience a layered and varying clove aroma with each puff, avoiding a monotonous and uneven aroma during the puff.
  • the wick material portion includes an inner wick material and an outer wick material.
  • the outer wick material covers the inner wick material, satisfying 0.4 ⁇ r/R ⁇ 0.7.
  • r/R can be between 0.4 and 0.5; 0.5 and 0.6; 0.6 and 0.7; optionally, r/R can be 0.5 or 0.6.
  • R is the radius of the outer wick material
  • r is the radius of the inner wick material.
  • the inner clove raw material can release the aroma more concentratedly, while the outer clove raw material plays an auxiliary role, evenly distributing the aroma throughout the wick, avoiding the aroma being too concentrated or sparse in a certain area, so that a uniform clove aroma can be felt with every puff.
  • Circumferential heating evenly distributes heat around the outer wall of the wick.
  • the outer wick, with its low clove content is heated first, releasing a mild aroma initially and reducing initial irritation.
  • the inner wick, with its high clove content gradually releases a rich aroma as the heat penetrates inward, creating an aroma gradient that flows from the outside in.
  • the layered design through spatial isolation and thermodynamic regulation, perfectly adapts to the heat transfer characteristics of circumferential heating, preventing initial aroma overshoot while ensuring a long-lasting, full-bodied aroma in the middle and later stages, ultimately delivering a stable and high-quality vaping experience.
  • the core material portion is composed of two or more core material segments, and extends from the filter portion away from the filter portion, and the natural clove content in the core material segment increases.
  • the segmented design makes the natural clove raw material content in different segments of the core material different.
  • the clove content in the L1 segment close to the filter portion is relatively low, and the clove content in the L2 segment away from the filter portion is relatively high.
  • the smoke will pass through the L1 and L2 segments in sequence.
  • the release of the clove aroma gradually increases, forming an aroma gradient, allowing the user to feel the layered changes in the clove aroma with each puff, avoiding the monotony and unevenness of the aroma during the inhalation process.
  • the natural clove raw material is pre-processed before being added to the cigarette core material, including but not limited to cleaning, steaming the stems, and shredding, so as not to destroy the effective active ingredients in the cloves.
  • the natural clove raw material is pre-processed by cleaning, steaming the stems, and shredding.
  • the ratio of natural clove raw material to tobacco added by mass is: 3:7 ⁇ clove: tobacco ⁇ 4:6.
  • a gradient smoking evaluation experiment with different addition ratios was designed. Under an environment with a temperature of 25 ⁇ 2°C and a relative humidity of 60 ⁇ 5%, samples of core material parts with different gradient mass ratios were prepared and added to heated cigarettes to ensure that the mass of the core material part in each sample was the same.
  • the mass ratios of natural clove raw material and tobacco (in the embodiment of this application, the tobacco was in the form of tobacco shreds) were 2:8, 3:7, 4:6 and 5:5.
  • a heated cigarette smoking machine was used to capture the smoke from each heated cigarette sample, and the nicotine, moisture, and carbon monoxide in the smoke were quantitatively tested by gas chromatography.
  • the test results are shown in the following table:
  • sample A The sample with the above mass ratio of 3:7 is sample A.
  • sample B Clove oil extract is added to the heated cigarette core material to make it contain the same mass of eugenol and clove-specific flavor substances such as ⁇ -caryophyllene and ⁇ -caryophyllene as sample A.
  • Matrix sample preparation The matrix contains tobacco products, clove products, and smoking products.
  • tobacco products are natural tobacco and/or reconstituted tobacco, and their conventional chemical components include nicotine, reducing sugars, total nitrogen, potassium ions, and chloride ions.
  • Nicotine is the main substance that provides physiological strength to tobacco; reducing sugars can balance the pH of smoke and produce a Maillard reaction to provide a sweet, burnt aroma; total nitrogen provides smoke concentration for tobacco; potassium ions and chloride ions are closely related to the combustibility of tobacco leaves.
  • Natural clove materials undergo pre-treatment before being added to tobacco materials, including but not limited to cleaning and steaming the stems, which are processes that do not destroy the effective active ingredients in the cloves. After processing, clove products are in the form of filaments with a width of 0.3 to 0.5 mm.
  • Smoking products are glycerin.
  • Sample 1 The mass ratio of tobacco shreds to clove shreds is 9:1 (270 mg:30 mg), and a smoke-generating agent containing 6% glycerol is added;
  • Sample 2 The mass ratio of tobacco shreds to clove shreds is 8:2 (240 mg:60 mg), and a smoke-generating agent containing 6% glycerol is added;
  • Sample 3 The mass ratio of tobacco shreds to clove shreds is 7:3 (210 mg, 90 mg) with a smoke generator containing 6% glycerol.
  • Sample 4 tobacco and clove shreds (mass ratio: 6:4) (180 mg, 120 mg), with 6% glycerol added as a smoke generator;
  • Sample 5 tobacco and clove shreds in a mass ratio of 5:5 (150 mg, 150 mg), with a smoke generator containing 6% glycerol added;
  • Sample 6 tobacco to clove shreds mass ratio: 9:1 (270mg:30mg), with 9% glycerol added as a smoke generator;
  • Sample 7 The mass ratio of tobacco shreds to clove shreds is 8:2 (240 mg:60 mg), and a smoke-generating agent containing 9% glycerol is added;
  • Sample 8 tobacco and clove shreds mass ratio: 7:3 (210 mg, 90 mg), with 9% glycerol content added as a smoke generator;
  • Sample 9 tobacco and clove shreds (mass ratio: 6:4) (180 mg, 120 mg), with 9% glycerol added as a smoke generator;
  • Sample 10 tobacco and clove shreds in a mass ratio of 5:5 (150 mg, 150 mg), with a smoke generator containing 9% glycerol added;
  • Sample 11 tobacco to clove shreds mass ratio: 9:1 (270 mg:30 mg), with 12% glycerol added as a smoke generator;
  • Sample 12 The mass ratio of tobacco shreds to clove shreds was 8:2 (240 mg:60 mg), and a smoke-generating agent containing 12% glycerol was added;
  • Sample 13 tobacco and clove shreds mass ratio: 7:3 (210 mg, 90 mg), with 12% glycerol content added as a smoke generator;
  • Sample 14 tobacco shreds to clove shreds mass ratio: 6:4 (180 mg, 120 mg), with 12% glycerol content added as a smoke generator;
  • Sample 15 tobacco and clove shreds in a mass ratio of 5:5 (150 mg, 150 mg), with a smoke generator containing 12% glycerol.
  • Sample 16 tobacco to clove shreds mass ratio: 9:1 (270 mg:30 mg), with 15% glycerol added as a smoke generator;
  • Sample 17 tobacco to clove shreds mass ratio: 8:2 (240mg:60mg), with 15% glycerol content added as a smoke generator;
  • Sample 18 tobacco and clove shreds, mass ratio: 7:3 (210 mg, 90 mg), with 15% glycerol added as a smoke generator;
  • Sample 19 tobacco and clove shreds (mass ratio: 6:4) (180 mg, 120 mg), with 15% glycerol added as a smoke generator;
  • Sample 20 tobacco and clove shreds in a mass ratio of 5:5 (150 mg, 150 mg), with a smoke generator containing 15% glycerol.
  • Sample 21 tobacco to clove shreds mass ratio: 9:1 (270mg:30mg), with 18% glycerol added as a smoke generator;
  • Sample 22 tobacco to clove shreds mass ratio: 8:2 (240mg:60mg), with 18% glycerol added as a smoke generator;
  • Sample 23 tobacco and clove shreds (mass ratio: 7:3) (210 mg, 90 mg), with 18% glycerol added as a smoke generator;
  • Sample 24 tobacco and clove shreds (mass ratio: 6:4) (180 mg, 120 mg), with 18% glycerol added as a smoke generator;
  • Sample 25 tobacco and clove shreds in a mass ratio of 5:5 (150 mg, 150 mg), with an 18% glycerol content added as a smoke generator;
  • Sample 26 tobacco to clove shreds mass ratio: 9:1 (270 mg:30 mg), with 21% glycerol added as a smoke generator;
  • Sample 27 tobacco to clove shreds mass ratio: 8:2 (240mg:60mg), with 21% glycerol content added as a smoke generator;
  • Sample 28 tobacco and clove shreds (mass ratio: 7:3) (210 mg, 90 mg), with 21% glycerol added as a smoke generator;
  • Sample 29 tobacco and clove shreds (mass ratio: 6:4) (180 mg, 120 mg), with 21% glycerol added as a smoke generator;
  • Sample 30 The mass ratio of tobacco shreds to clove shreds is 5:5 (150 mg, 150 mg), and a smoke generating agent with a glycerol content of 21% is added.
  • Tobacco testers used a circumferential infrared heating device to heat and smoke each heated cigarette sample. Each heated cigarette sample was placed in the heater and heated at a temperature of 250°C. Each sample was puffed five times, and the evaluation results were recorded to ensure data stability. The mouth was rinsed after each puff to avoid the influence of the previous test on the next test.
  • key evaluation indicators were formulated, sensory evaluation was conducted, and the evaluation scores were recorded according to Table 4.
  • Table 5 Sensory evaluation record of heated cigarettes made from samples 1 to 24
  • the total sensory evaluation score is greater than or equal to 82.5 points for heated cigarettes as the standard for better comprehensive smoking taste.
  • the clove content is 1% and the glycerin addition concentration is intervally 0.1% at the inflection point, and repeated tests are carried out many times to obtain the optimal clove addition content and glycerin addition concentration ratio curve as shown in Figures 4 and 5.
  • tobacco products have different optimal smoking product addition concentration ratios according to their tobacco type, growth location, grade, etc. Therefore, in this application, repeated tests are carried out on different tobacco materials many times, and the above rules are found.
  • the optimal smoking product addition concentration ratio M0 of the smoking product without adding clove products is 12-20%, 20-22.5% or 22.5-25%, and the optimal addition concentration ratio M0 can also be 20%.
  • point A is the optimal choice for the maximum glycerin concentration measured when no clove products are added.
  • Curve fitting reveals that when the ratio m of the amount of clove products added to the total amount of clove products to tobacco products is less than or equal to 0.3, the smoking product is added according to the ratio M that meets the following formula (a): M/M 0 ⁇ 0.5 ⁇ m+1 (a);
  • the smoking products shall be added according to the ratio M that meets the following formula (b): M/M 0 ⁇ 12.5 ⁇ m 2 –12.75 ⁇ m+3.85 (b);
  • m represents the ratio of the added amount of clove products to the total amount of clove products and tobacco products
  • M represents the concentration ratio of smoking products to the total amount of clove products and tobacco products
  • M0 represents the optimal added concentration ratio of smoking products without adding clove products.
  • the smoking product also includes adding clove products in accordance with the ratio M in accordance with the following formula (d): M/M 0 ⁇ 1.5 ⁇ m-0.15 (d).
  • Table 5 and Figures 4-5 show that when the clove content was 10%, the total score of the heated cigarettes prepared with samples 11, 16, 21, and 26 was greater than or equal to 82.5. Therefore, heated cigarettes with a glycerin content of 12-21% had good sensory evaluations, moderate smoke temperature and volume, and the aroma of clove products was permeable. A comparison of heated cigarettes prepared with matrix samples 1 and 6 revealed that heated cigarettes with a glycerin content of 6-9% generally exhibited a lower smoke volume.
  • the total score of the heated cigarettes prepared from samples 12, 17, 22 and 27 is greater than or equal to 82.5 points. Therefore, the sensory evaluation of heated cigarettes with a glycerol content in the concentration range of 10-22% is good, the smoke temperature is moderate, the smoke volume is moderate, and the aroma of clove products can be permeated. Comparing the heated cigarettes made from matrix sample 2 and matrix sample 7, it can be found that the heated cigarettes with a glycerol content in the concentration range of 6-9% have the overall disadvantage of small smoke volume. Therefore, when the clove content is 10% to 20%, the smoke volume of heated cigarettes prepared with a glycerol content in the concentration range of 6-9% is relatively poor when smoked. When the clove content is greater than 20%, the smoke volume of heated cigarettes prepared with a glycerol content in the concentration range of 6-9% reaches a moderate level when smoked.
  • the heated cigarettes prepared from samples 9, 14, 19, and 24 scored a total score greater than or equal to 82.5 points, and the smoke temperature was moderate. While the heated cigarette prepared from sample 24, which had a glycerin content of 18%, received a relatively good overall score, the smoke temperature was slightly higher in the first two puffs, reducing the consumer experience. Therefore, heated cigarettes with a glycerin content of 9-15% received better sensory evaluations.
  • the heated cigarette made with reference to the matrix sample 15 had a large smoke volume, a prominent clove aroma, a good puff concentration score, and an overall better puff taste.
  • the error between the concentration ratio of smoking products to the total amount of clove products and tobacco products in the heated cigarette obtained by formula (a), formula (b), formula (c) or (d) and the actual concentration ratio of smoking products to the total amount of clove products and tobacco products shall not exceed 10%, 8%, 5%, 2% or 1%.
  • the structural design of the core material achieves a breakthrough improvement in smoke stability and puffing experience through the coordinated optimization of geometric parameters and content distribution.
  • a smoking evaluation experiment with different core structures was designed. At a temperature of 25 ⁇ 2°C and a relative humidity of 60 ⁇ 5%, 300 samples of core material with different gradient mass ratios were prepared and added to heated cigarettes, ensuring that the mass of the core material 300 in each sample was the same.
  • L1 represents the length of the core material segment close to the filter
  • L2 represents the length of the core material segment away from the filter.
  • the mass ratio of natural clove raw material to tobacco corresponding to segment L1 was 3:7; the mass ratio of natural clove raw material to tobacco corresponding to segment L2 was 4:6.
  • the optimal smoking experience is achieved when the L1/L2 ratio reaches 0.5. Because the clove content is lower near the filter, it can effectively reduce the explosive release of aroma during the initial heating and reduce irritation. Away from the filter, the clove content is higher. Under continuous heating, the high-temperature zone fully releases active ingredients such as eugenol and ⁇ -cinnamic acid, making up for the aroma's aftereffect. The aroma intensity increases from the first puff to the last puff, forming a natural transition and avoiding the "front-end empty" defect of traditional homogeneous wicks.
  • R represents the radius of the outer core material, and r represents the radius of the inner core material.
  • the R layer corresponds to a natural clove to tobacco mass ratio of 3:7; the r layer corresponds to a natural clove to tobacco mass ratio of 4:6.
  • Circumferential heating devices evenly transfer heat around the outer wall of the wick.
  • the outer wick material with its low clove content, is heated first, initially releasing a mild aroma and reducing initial irritation.
  • the inner wick material with its high clove content, gradually releases a rich aroma as the heat penetrates inward, creating an aroma gradient "from the outside in.”
  • the layered design through spatial barriers and thermodynamic regulation, is well-suited to the heat transfer characteristics of circumferential heating, avoiding initial aroma overshoot while ensuring a long-lasting, full-bodied aroma in the middle and later stages, ultimately achieving a stable and high-quality vaping experience.
  • Experimental results show that when the r/R ratio is 0.5 or 0.6, aroma penetration is optimal, the aroma is harmonious, the aftertaste is full, and the aroma coordination is optimal.
  • the present application provides a heated cigarette with a clove flavor.
  • the active ingredients in the cloves are released into the smoke of the heated cigarette, thereby obtaining a heated cigarette product with a better taste.
  • the smoke produced by the newly prepared cigarette core material can not only bring out the aroma and pharmacological effects of cloves, but also fully utilize the antioxidant effects of eugenol acetate and ⁇ -cinnamic acid, thereby making the heated cigarette smoke have a better taste.
  • the present application adopts a multi-layer segmented cigarette core structure design and a dynamic smoke agent ratio model to improve the aroma release gradient and puff-by-puff stability.
  • the tobacco core material of the present application When heated, the tobacco core material of the present application, compared to products containing synthetic flavors or clove extracts, directly adding natural cloves can better preserve the original aroma of cloves, and its natural aroma harmonizes elegantly with the fragrance of the tobacco. Furthermore, as the aroma of the cloves is gradually and slowly released during the heating process, the clove aroma is more persistent and natural in the smoke. Compared to the process of purifying and extracting clove oil for secondary processing, the production process of heated cigarettes that directly add cloves is simpler, saving production costs and manufacturing time.
  • the purpose of optimizing the smoking taste of heated cigarettes can be achieved by adjusting the addition ratio of smoking products, and it is found that within the range of different clove product addition amounts, a better addition concentration ratio of smoking products can be obtained through a formula, or a smoking product with a confirmed addition concentration ratio can be used to obtain a better addition ratio of clove products through a formula, providing standardized production standards for the production of heated cigarettes, and has broad market application prospects.
  • the present application aims to optimize the mass ratio of natural clove raw materials and tobacco added to the tobacco core material so as to achieve a balance in the content and ratio of active ingredients, thereby obtaining an aerosol-generating product with a better taste. It can not only bring out the aroma and pharmacological effects of cloves, but also make full use of the tobacco aroma and nicotine strength in the tobacco, so that the aerosol-generating product has a better taste.
  • the innovative segmented design and layered design release the clove aroma evenly, avoiding local excessive concentration or lightness, making the overall smoking experience more stable.
  • the amount of smoke agent added is dynamically adjusted to further enhance the aroma release and smoking stability.
  • the present application is simple to prepare, directly adding natural cloves without the need for complex processes; it is beneficial to health, reduces the release of harmful substances, and utilizes the pharmacological effects of cloves; it has an excellent taste, and the aroma penetration, pharmacological function and antioxidant performance are fully optimized.
  • the present application provides an aerosol-generating product that is simple to prepare, beneficial to health, and has an excellent taste.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

L'invention concerne une cigarette chauffée à arôme de girofle, la cigarette comprenant un matériau d'emballage (200), une partie bout-filtre (100) et une partie matériau de noyau de tabac (300), la partie bout-filtre (100) étant reliée à la partie matériau de noyau de tabac (300) ; le matériau d'emballage (200) enveloppe la partie matériau de noyau de tabac (300) et au moins une partie de la partie bout-filtre (100) ; et la partie matériau de noyau de tabac (300) comprend un matériau de noyau de tabac qui contient du tabac et une matière première de girofle naturelle, le rapport en masse de la matière première de girofle naturelle au tabac allant de 3 : 7 à 4 : 6.
PCT/CN2025/088741 2024-04-15 2025-04-14 Cigarette chauffée à arôme de girofle Pending WO2025218623A1 (fr)

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CN118141149A (zh) * 2024-04-15 2024-06-07 浙江中烟工业有限责任公司 一种具有丁香风味的加热卷烟烟芯材料

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WO2015097187A1 (fr) * 2013-12-24 2015-07-02 Philip Morris Products S.A. Matière contenant un agent de saveur
WO2017181684A1 (fr) * 2016-04-20 2017-10-26 贵州中烟工业有限责任公司 Procédé de fabrication de cigarette de tabac chauffant sans brûler
KR20210115609A (ko) * 2020-03-13 2021-09-27 주식회사 케이티앤지 클로브 부산물이 함유된 판상엽 시트 및 이를 포함하는 흡연물품
WO2022012684A1 (fr) * 2020-07-17 2022-01-20 博颉(上海)管理咨询有限公司 Cigarette à chauffage sans combustion, son procédé de fabrication, et système à chauffage sans combustion
KR20220126615A (ko) * 2021-03-09 2022-09-16 주식회사 케이티앤지 가향시트가 적용된 전자식 무연담배
CN118141149A (zh) * 2024-04-15 2024-06-07 浙江中烟工业有限责任公司 一种具有丁香风味的加热卷烟烟芯材料

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944026A (en) * 1994-04-19 1999-08-31 H.F. & Ph.F. Reemtsma Gmbh & Co. Tobacco products or materials resembling tobacco products containing natural substances having an antioxidative effect and processes for the preparation thereof
WO2015097187A1 (fr) * 2013-12-24 2015-07-02 Philip Morris Products S.A. Matière contenant un agent de saveur
WO2017181684A1 (fr) * 2016-04-20 2017-10-26 贵州中烟工业有限责任公司 Procédé de fabrication de cigarette de tabac chauffant sans brûler
KR20210115609A (ko) * 2020-03-13 2021-09-27 주식회사 케이티앤지 클로브 부산물이 함유된 판상엽 시트 및 이를 포함하는 흡연물품
WO2022012684A1 (fr) * 2020-07-17 2022-01-20 博颉(上海)管理咨询有限公司 Cigarette à chauffage sans combustion, son procédé de fabrication, et système à chauffage sans combustion
KR20220126615A (ko) * 2021-03-09 2022-09-16 주식회사 케이티앤지 가향시트가 적용된 전자식 무연담배
CN118141149A (zh) * 2024-04-15 2024-06-07 浙江中烟工业有限责任公司 一种具有丁香风味的加热卷烟烟芯材料

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