US20250009008A1 - Tobacco extract composition and production method therefor - Google Patents

Tobacco extract composition and production method therefor Download PDF

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Publication number
US20250009008A1
US20250009008A1 US18/889,514 US202418889514A US2025009008A1 US 20250009008 A1 US20250009008 A1 US 20250009008A1 US 202418889514 A US202418889514 A US 202418889514A US 2025009008 A1 US2025009008 A1 US 2025009008A1
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United States
Prior art keywords
tobacco
raw material
extract composition
production method
tobacco extract
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US18/889,514
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English (en)
Inventor
Takuya Iwamoto
Hirofumi FUJIKURA
Takeshi SHINKAWA
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Japan Tobacco Inc
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Japan Tobacco Inc
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Assigned to JAPAN TOBACCO INC. reassignment JAPAN TOBACCO INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IWAMOTO, TAKUYA, FUJIKURA, HIROFUMI, SHINKAWA, TAKESHI
Publication of US20250009008A1 publication Critical patent/US20250009008A1/en
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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
    • A24B15/18—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
    • A24B15/26—Use of organic solvents for extraction

Definitions

  • the present invention relates to a tobacco extract composition and a production method therefor.
  • PTL 1 discloses a production method including steps of heating a tobacco material, recovering volatile components, and combining the volatile components with a pre-vapor formulation.
  • an object of the present invention is to provide a tobacco extract composition that provides better flavor smoke taste.
  • the inventors have found that the above problem can be solved by heating a tobacco raw material at a specific temperature. That is, the above problem can be solved by the present invention described below.
  • a production method for producing a tobacco extract composition comprising:
  • the tobacco raw material is selected from burley tobacco, flue-cured tobacco, or a combination of burley tobacco and flue-cured tobacco.
  • D 1 is a diameter of a pipe from which the volatile components are discharged in the heating step
  • D 2 is a diameter of a pipe into which the volatile components are introduced in the recovery step.
  • a turbidity (OD660) of the tobacco extract composition measured by using a spectrophotometer is 0.90 to 1.80.
  • FIG. 1 is a conceptual view of a production apparatus for producing a tobacco extract composition.
  • FIG. 2 is a schematic sectional view illustrating an example of a non-combustion-indirect-heating-type smoking article.
  • X to Y includes X and Y, which are end values thereof.
  • a production method for producing a tobacco extract composition according to the present embodiment includes: a heating step of heating a tobacco raw material so that a temperature of the raw material becomes 100 to 270° C.; and a recovery step of recovering volatile components generated in the heating step.
  • a tobacco extract composition is a composition extracted from a tobacco raw material and having flavor.
  • FIG. 1 illustrates one aspect of the production method according to the present embodiment. In the figure, a tobacco raw material 100 , a container 110 , an air introduction pipe 102 , a gas discharge pipe 104 , a tobacco extract composition 200 , a collection container 120 , an ice water bath 122 , and a pipe 130 are illustrated.
  • Various materials can be used as the tobacco raw material 100 , and, for example, flue-cured tobacco, burley tobacco, oriental tobacco, domestic tobacco, other types belonging to Nicotiana tabacum or Nicotiana rustica, and a mixture of these can be used.
  • a blend of the above types appropriately blended to have an intended flavor smoke taste can be used.
  • Materials of any origins can be selected so that a tobacco extract composition according to the present embodiment has a desirable flavor smoke taste.
  • a tobacco extract composition according to the present embodiment is to be used for a product having a high nicotine content, it is preferable that the tobacco extract composition be produced from a high-nicotine-content type having a nicotine content of 6% by weight or more.
  • Japanese burley tobacco or Philippine sun-cured tobacco can be used. Details of the tobacco types are disclosed in “Encyclopedia of Tobacco, Tobacco Academic Studies Center, 2009. Mar 31”. As described in WO2021/070932, it is also possible to use leaves having a high nicotine content obtained by specific fertilization and harvesting.
  • the leaves are obtained by, in cultivation of burley tobacco, applying a fertilizer by 6 to 15 kg/10 a as the amount of nitrogen during the period from one week before pinching to one week after pinching; carrying out pinching deeper by one to two leaves than a normal position; harvesting and removing unnecessary leaves early; harvesting leaves after making the period from pinching to harvesting longer than usual by one to two weeks; and air-curing the leaves.
  • known alkali treatment may be performed on the tobacco raw material.
  • the tobacco raw material 100 may be a shredded or pulverized tobacco raw material (hereafter, “raw material pieces”).
  • raw material pieces a shredded or pulverized tobacco raw material
  • the particle size of the raw material pieces measured in accordance with ASTM E11-95 be 0.5 to 2 mm. Having the particle size means that the raw material pieces do not pass through a sieve having an aperture size of 0.5 mm (>0.5 mm) and pass through a sieve having an aperture size of 2.36 mm ( ⁇ 2.5 mm). It is preferable that this measurement be performed by using cured raw material pieces and a mechanical shaking method.
  • the particle size of the raw material pieces can be adjusted to a desirable range by classification.
  • the particle size can be adjusted as follows. i) A sieve mesh L having an aperture size around the minimum particle diameter of the raw material pieces, a sieve mesh M having an aperture size around the maximum particle diameter of the raw material pieces, and several sieve meshes belonging between L and M are prepared. ii) By using these sieve meshes, classification is performed by screening the raw material pieces by using a dry and mechanical shaking method. iii) The classified fractions are appropriately collected to obtain raw material pieces having a desirable particle size.
  • raw material pieces having a particle size of 0.5 to 2 mm can be obtained by mixing fractions obtained by performing classification by using sieves having aperture sizes 2.36 mm, 2 mm, 1.7 mm, 1.4 mm, 1.18 mm, 1 mm, 0.85 mm, 0.71 mm, 0.6 mm, 0.5 mm, and 0.425 mm.
  • the average particle size can be calculated by: performing classification in accordance with i) to iii) described above; measuring the amounts of fractions that remain on the sieves meshes; and performing apportionment by weight.
  • the average particle size can be calculated by measuring the weights of fractions obtained by performing classification by using sieves having aperture sizes 2.36 mm, 2 mm, 1.7 mm, 1.4 mm, 1.18 mm, 1 mm, 0.85 mm, 0.71 mm, 0.6 mm, 0.5 mm, and 0.425 mm, and by performing apportionment by weight.
  • the container 110 include a stirrer and the tobacco raw material 100 be stirred.
  • the tobacco raw material 100 is heated to have a temperature of 100 to 270° C.
  • the temperature of the tobacco raw material 100 can be measured by disposing a temperature sensor in the container 110 to be in contact with the tobacco raw material 100 .
  • the temperature sensor may be a thermocouple.
  • the temperature is preferably 200 to 250° C.
  • Volatile components are generated as the tobacco raw material 100 is heated. It is also possible to provide the pipe 130 with a branch via a valve to prevent introduction, into the collection container 120 , of volatile components generated before the temperature becomes the lower limit of the temperature and volatile components generated when the temperature exceeds the upper limit of the temperature.
  • an atmosphere in which the tobacco raw material 100 is placed is not limited, it is preferable that the atmosphere be air-flowing atmosphere in view of increasing efficiency in discharging volatile components.
  • the tobacco raw material 100 can be heated in a bulk state without using a solvent
  • the tobacco raw material 100 can also be heated in a state of being immersed in a solvent.
  • the solvent polyol such as glycerine, propylene glycol, or the like is preferable. It is possible to improve collection efficiency by pre-mixing the tobacco raw material and the solvent or by pre-immersing the tobacco raw material in the solvent before heat treatment, because heating is performed in a state in which the solvent and the raw material are sufficiently mixed.
  • the tobacco raw material 100 and the solvent can be mixed and placed for about 12 to 24 hours under harmonious conditions (relative humidity 60%, 23° C.).
  • the collection container 120 is connected to the container 110 via the pipe 130 . Volatile components discharged from the container 110 are introduced into the collection container 120 .
  • the inside of the collection container 120 may be filled with a collection solvent. It is preferable that the collection container 120 form a hermetic space.
  • a device for fractionating the extract in accordance with the product temperature may also be used.
  • the collection solvent is not limited as long as the solvent allows flavor components to be dissolved, preferably, water or an aqueous organic solvent such as glycerine, ethanol, or the like can be used.
  • the ambient temperature during collection or the temperature of the collection solvent which is not limited, is preferably about ⁇ 20 to 10° C. in view of increase of collection efficiency. Therefore, the collection container 120 may be immersed in an ice water bath.
  • D 1 is the diameter of a pipe from which volatile components are discharged (also referred to as a “discharge pipe”) in the heating step and D 2 is the diameter of a pipe into which volatile components are introduced (also referred to as an “introduction pipe”) in the recovery step
  • D 1 and D 2 satisfy the following relationship.
  • the diameter of the introduction pipe may be uniform through the pipe or may vary. If the diameter of the introduction pipe varies, D 2 is the diameter of a portion connected to the discharge pipe.
  • the tobacco extract composition 200 is produced as described above.
  • a tobacco extract composition includes, at least, a nicotine component that is an indicator of a flavor component.
  • the tobacco extract composition 200 further includes a component that can provide tobacco-like astringency, fragrance, and sweetness that have not been achieved by existing flavoring agents. It is conjectured that the component is attributable to generation of volatile components at the aforementioned temperature.
  • the tobacco extract composition has a characteristic such that, when the concentration of a polyol component included in the tobacco extract composition is 15 to 35% by weight, the turbidity (OD660) measured by using a spectrophotometer is about 0.90 to 1.80.
  • a tobacco extract composition having a low turbidity is used as a smoking article, a char component is not generated easily. Turbidity is measured with reference to JIS K 0101.
  • a tobacco extract composition according to the present embodiment is preferable for a smoking article.
  • the tobacco extract composition is useful as an aerosol source of a non-combustion-indirect-heating-type flavor inhalation article illustrated in FIG. 2 .
  • the tobacco extract composition is useful as a flavor-imparting agent for a flavor source, a filter, or the like of a combustion-type smoking article or a non-combustion-direct-heating-type smoking article.
  • the tobacco extract composition since the tobacco extract composition is useful as an aerosol source of the non-combustion-indirect-heating-type flavor inhalation article illustrated in FIG. 2 , the article will be described below as an example.
  • FIGS. 2 ( 1 ) and ( 2 ) illustrate a preferred aspect of a non-combustion flavor inhalation article and a non-combustion flavor inhalation system.
  • a non-combustion flavor inhalation article 10 a capsule 1 c that is a flavor generating segment, an atomizer 2 , an aerosol source 4 , an aerosol generating segment 40 , a mouthpiece 5 , a housing 6 , and a power source 8 are illustrated.
  • a non-combustion flavor inhalation article according to the present aspect which indirectly heats a capsule, is also referred to as a “non-combustion-indirect-heating-type flavor inhalation article”.
  • the article is an article that generates flavor by generating aerosol from an aerosol-generating source that is disposed upstream of a flavor generating segment and by causing the aerosol to bear a flavor component from the flavor generating segment.
  • the capsule 1 c is sealed in such a way that a gas can flow between the outside and the inside.
  • the capsule 1 c is sealed in such a way that aerosol generated from the aerosol source 4 is introduced into the container and the aerosol can pass from the container toward an inhalation port end. Therefore, preferably, openings are formed in both end portions of the container in the longitudinal direction.
  • the inside of the container is filled with a flavor source.
  • the flavor source is, for example, a known tobacco material.
  • the shape of the tobacco material which is not limited, is preferably granular.
  • the aerosol source 4 can be configured by causing a porous body, which is fibrous filler or the like, to bear the aforementioned aerosol generating substrate.
  • the length of the aerosol source 4 which is not limited, is preferably 10 to 25 mm. It is possible to use a tobacco extract composition according to the present embodiment as an aerosol source by causing the porous body to bear the tobacco extract composition.
  • the atomizer 2 can electrically heat the aerosol source 4 to about 200 to 300° C. Aerosol is generated by the heating, the aerosol is introduced into the capsule 1 c, passes while causing the filler to be in an atmosphere of 30 to 80° C., bears a flavor component, and is inhaled by a user.
  • a combination of a non-combustion flavor inhalation article and a power source is also referred to as a non-combustion flavor inhalation system.
  • the atomizer 2 may be, for example, a coil, and can generate aerosol by using electricity supplied from the power source 8 as illustrated in FIG. 2 ( 2 ). Such a system 10 s is disclosed, for example, in International Publication No. 2016/075749.
  • the mouthpiece 5 may include a filter.
  • the housing 6 which may be made of a known material, is preferably made of, for example, a polymer.
  • the flask was heated by using a heating mantle (set temperature: 250° C.), and air was introduced into the flask with a flow rate of 5 L/min. Since the temperature measured by the thermocouple became 100° C. in about 6 minutes after heating was started, volatile components discharged from the gas discharge pipe was introduced into the collection container. The collection container was immersed in an ice water bath at 0° C. The temperature of the thermocouple continued to increase thereafter, and reached 184° C. in about 11 minutes after heating was started. At this time, collection was finished. The temperature profile is shown in the table below.
  • the collected liquid obtained as described above was diluted by a factor of 2.
  • the cartridge of the non-combustion-indirect-heating-type smoking article illustrated in FIG. 2 was filled with a tobacco extract composition obtained in this way.
  • the product was subjected to a smoking test by five well-trained panelists. As a result, it became clear that the product had flavor smoke taste that had not been achieved by existing flavoring agents.
  • Flavor smoke taste that raised tobacco feel that had not existed before was obtained.
  • the quality of smoke was good, inhalation was satisfactory with little feeling of inhibition, and the smoke quality was close to that of a non-combustion-direct-heating-type smoking article.
  • tobacco extract compositions were produced by using the same method as Example 1 and evaluated. As a result, evaluations similar to those of Example 1 were obtained.
  • Example 5 Leaf Shreds Obtained by Using the Following Method (Unmixed)
  • a fertilizer including a nitrogen amount of 6 to 15 kg/10 a was applied during a period from one week before pinching to one week after pinching. Pinching deeper by one to two leaves than a normal position was carried out, and unnecessary leaves were harvested and removed early. The leaves were harvested after making the period from pinching to harvesting longer than usual by one to two weeks. The leaves were air-cured to obtain leaves.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
US18/889,514 2022-03-31 2024-09-19 Tobacco extract composition and production method therefor Pending US20250009008A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/016722 WO2023188342A1 (ja) 2022-03-31 2022-03-31 たばこ抽出組成物およびその製造方法

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US (1) US20250009008A1 (https=)
EP (1) EP4501139A4 (https=)
JP (2) JP7825036B2 (https=)
KR (1) KR20240168404A (https=)
WO (1) WO2023188342A1 (https=)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150677A (en) * 1977-01-24 1979-04-24 Philip Morris Incorporated Treatment of tobacco
US5038802A (en) * 1988-12-21 1991-08-13 R. J. Reynolds Tobacco Company Flavor substances for smoking articles
US5235992A (en) * 1991-06-28 1993-08-17 R. J. Reynolds Tobacco Company Processes for producing flavor substances from tobacco and smoking articles made therewith
US20170245543A1 (en) * 2016-02-25 2017-08-31 Altria Client Services Llc Method of manufacturing a pre-vapor formulation including volatiles
CN106318640A (zh) 2016-09-09 2017-01-11 湖北中烟工业有限责任公司 一种香料烟提取物的制备方法及其在卷烟中的应用
CN113727615B (zh) * 2019-06-05 2023-09-05 菲利普莫里斯生产公司 产生液体烟草提取物的改进方法
ES2985941T3 (es) * 2019-06-05 2024-11-07 Philip Morris Products Sa Método para producir un extracto de tabaco líquido mezclado a partir de dos o más tabacos
BR112021021918A2 (pt) * 2019-06-05 2022-01-18 Philip Morris Products Sa Concentração de extratos de tabaco úmido
TW202128035A (zh) 2019-10-10 2021-08-01 日商日本煙草產業股份有限公司 非燃燒型香味吸嚐器用的煙草母料及含有該母料的煙草材料
WO2022030426A1 (ja) 2020-08-03 2022-02-10 日本たばこ産業株式会社 たばこ製品用の香味成分含有溶液の製造方法及び製造装置
CN112956731B (zh) 2021-04-02 2022-09-23 河南中烟工业有限责任公司 一种烟草资源氧化裂解制备烟草裂解液的方法

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KR20240168404A (ko) 2024-11-29
EP4501139A1 (en) 2025-02-05
EP4501139A4 (en) 2025-12-31
JPWO2023188342A1 (https=) 2023-10-05
WO2023188342A1 (ja) 2023-10-05
JP2026042092A (ja) 2026-03-10
JP7825036B2 (ja) 2026-03-05

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