EP2818059B1 - Procédé de fabrication de matériau de tabac à chiquer, et matériau de tabac à chiquer - Google Patents

Procédé de fabrication de matériau de tabac à chiquer, et matériau de tabac à chiquer Download PDF

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Publication number
EP2818059B1
EP2818059B1 EP13752001.1A EP13752001A EP2818059B1 EP 2818059 B1 EP2818059 B1 EP 2818059B1 EP 13752001 A EP13752001 A EP 13752001A EP 2818059 B1 EP2818059 B1 EP 2818059B1
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EP
European Patent Office
Prior art keywords
tobacco
tobacco material
oral
raw material
temperature
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.)
Active
Application number
EP13752001.1A
Other languages
German (de)
English (en)
Other versions
EP2818059A4 (fr
EP2818059A1 (fr
Inventor
Michinori Yokoi
Masashi FURUKOSHI
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
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Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Publication of EP2818059A1 publication Critical patent/EP2818059A1/fr
Publication of EP2818059A4 publication Critical patent/EP2818059A4/fr
Application granted granted Critical
Publication of EP2818059B1 publication Critical patent/EP2818059B1/fr
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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
    • A24B15/183—Treatment of tobacco products or tobacco substitutes sterilization, preservation or biological decontamination
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • 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
    • A24B15/245—Nitrosamines
    • 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
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants

Definitions

  • the present invention relates to a method for producing an oral tobacco material, and an oral tobacco material. More specifically, the present invention relates to a method for producing an oral tobacco material having a reduced content of tobacco-specific nitrosamine, and an oral tobacco material obtained by that production method.
  • the oral tobacco product contains an oral tobacco material such as powdered tobacco in a water-permeable pouch. People insert such an oral tobacco product between a lip and a gum in a mouth, and enjoy the taste and flavor of the powdered tobacco (see, for example, Patent Document 1).
  • the oral tobacco material used in such an oral tobacco product contains various components such as nicotine, nitrosamines (including tobacco-specific nitrosamine), hydrocarbons, and proteins, similar to a general tobacco material for a cigarette.
  • these components there are some components which desirably are not removed or are increased in terms of smoking taste or other reasons; whereas, there are also some components whose amounts are desirably decreased. It is desired to decrease the amount of the tobacco-specific nitrosamine.
  • Patent Document 1 U.S. Patent Application Publication No. 2007/062549 US-A-2011048434 discloses a thermal treatment process for tobacco materials.
  • the tobacco materials are smokeless tobacco.
  • the thermal treatment is carried out at a temperature of above 80°C and preferably below 140°C and the pH is maintained below 8 during the heat treatment.
  • Additives are incorporated to the tobacco material before the heat treatment and include acidic compounds, citric acid, malic acid, glutaric acid, dicarboxylic acids, and the combination thereof.
  • the object of the present invention is to provide a method for producing an oral tobacco material having a reduced content of tobacco-specific nitrosamine (TSNA).
  • TSNA tobacco-specific nitrosamine
  • an oral tobacco material which is obtained by the method for producing an oral tobacco material according to the present invention.
  • the oral tobacco material produced according to the present invention shows a significantly reduced TSNA content.
  • a dry oral tobacco material having a pH of 8 or less is used as a raw material.
  • a dry oral tobacco material having a pH of 4 or more is usually used as the raw material.
  • the pH of a dry tobacco material refers to a value obtained by adding 20 to 100 g of distilled water (corresponding to 10 times the amount of the tobacco material) to 2 to 10 g of the tobacco material; shaking the mixture of the water and the tobacco material at 200 rpm at room temperature for 10 minutes; allowing the resulting mixture to stand for 5 minutes; and then measuring the pH of an extract obtained therefrom with a pH meter (IQ 240 manufactured by IQ Scientific Instruments Inc.).
  • the tobacco raw material includes a dry oral tobacco material which originally has a pH of 8 or less, and a material obtained by adding an acidic substance to a dry oral tobacco material having a pH of more than 8 to adjust the pH to 8 or less.
  • the former, the dry oral tobacco material which originally has a pH of 8 or less may include flue-cured tobacco, burley tobacco, dark air-cured tobacco, dark fire-cured tobacco, air-cured tobacco by early-dehydrating, sun-cured tobacco, oriental tobacco, and the like.
  • the dry oral tobacco material having a pH of more than 8 may include a part of burley tobacco, dark air-cured tobacco, air-cured tobacco, and the like.
  • an organic acid such as citric acid, ascorbic acid, acetic acid, lactic acid, malic acid, tartaric acid, or succinic acid may be used.
  • a dry oral tobacco material exhibiting acidity i.e., a pH of less than 7 (for example, flue-cured tobacco, burley tobacco, dark air-cured tobacco, dark fire-cured tobacco, air-cured tobacco by early-dehydrating, sun-cured tobacco or oriental tobacco) may also be used, instead of the organic acid.
  • the dry oral tobacco material exhibiting acidity is used as the acidic substance, the amount thereof is preferably 100% by weight or less with respect to the raw material.
  • TSNA typically includes N'-nitrosonornicotine (NNN), 4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone (NNK) and N'-nitrosoanatabine (NAT).
  • NNN N'-nitrosonornicotine
  • NNK 4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone
  • NAT N'-nitrosoanatabine
  • the antioxidant includes epigallocatechin gallate, ascorbic acid, green tea extract. Ascorbic acid is also the acidic substance for adjusting the pH, as described above; and it may be used as the antioxidant in combination with another acidic substance, or may be used alone to serve both as the antioxidant and the acidic substance.
  • the antioxidant is added preferably in an amount of 1 to 100 parts by weight based on 100 parts by weight of the tobacco raw material.
  • the tobacco raw material to which the antioxidant has been added is heated at a temperature of 80°C or higher.
  • the heating temperature is usually 130°C or lower.
  • the heating time is usually from 10 minutes to 30 minutes.
  • the tobacco raw material is put in a closed heating container (such as a cylindrical one) having a jacket at the outer side thereof and equipped with an introduction pipe and an exhaust pipe of heated steam, and heated steam is directly blown into the tobacco raw material through the introduction pipe, while the heated steam is circulated in the jacket, whereby the tobacco material can be heated at the same temperature as that of the heated steam.
  • a closed heating container such as a cylindrical one
  • heated steam is directly blown into the tobacco raw material through the introduction pipe, while the heated steam is circulated in the jacket, whereby the tobacco material can be heated at the same temperature as that of the heated steam.
  • Nitrite salts contained in the tobacco raw material become unstable when the tobacco raw material has a pH of 8 or less, and the nitrite salts can be decomposed and released as NO x gas by heating the tobacco raw material at 80°C or higher. Therefore, according to the method of the present invention, the amount of TSNA contained in the tobacco raw material can be decreased and the amount of the nitrate salt can also be decreased.
  • Nitrous acid contained in a sample is reacted with an aromatic primary amine (sulfanilamide) to form a diazonium salt.
  • An azo coupling reaction of the diazonium salt is caused with N-(1-naphthyl)-ehtylenediamine (NED) to form a purplish red azo compound.
  • a concentration of nitrite nitrogen (N) in the sample is measured by measurement of an absorbance (540 nm) of the colored part, and the obtained concentration is converted into a concentration of nitrous acid.
  • Example No. pH of tobacco material Acidic substance Antioxidant pH after adjustment Nitrous acid content after heat treatment ( ⁇ g/g) (dry basis) TSNA content after heat treatment ( ⁇ g/g) (dry basis)
  • Example 1 8.3 Citric acid Epigallocatechin gallate 6.1 0.2 2.3
  • Example 2 8.3 Citric acid Green tea extract 6.3 0.5 2.5
  • Example 3 8.3 Citric acid Ascorbic acid 5.6 1.6 2.0 Comparative example 1 8.3 Citric acid None 6.5 3.8 5.1 Comparative example 2 8.3 None None 8.3 180.2 3.6
  • the TSNA content in the tobacco raw material can be remarkably decreased.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Agronomy & Crop Science (AREA)
  • Botany (AREA)
  • Toxicology (AREA)
  • Manufacture Of Tobacco Products (AREA)

Claims (4)

  1. Procédé de production d'une matière de tabac à usage oral, caractérisé en ce qu'il comprend les étapes consistant à :
    ajouter un antioxydant à une matière première de tabac constituée d'une matière de tabac sèche à usage oral ayant un pH de 8 ou moins ; et
    chauffer la matière première de tabac additionnée d'antioxydant à une température de 80 °C ou plus, caractérisé en ce que la matière première de tabac est une matière obtenue en ajoutant un acide organique ou une matière de tabac sèche à usage oral présentant une acidité à une matière de tabac ayant un pH supérieur à 8 pour ajuster le pH à 8 ou moins, et en ce que l'antioxydant est choisi parmi le gallate d'épigallocatéchine, l'acide ascorbique et un extrait de thé vert.
  2. Procédé selon la revendication 1, caractérisé en ce que la matière première de tabac est une matière obtenue en ajoutant de l'acide citrique à une matière de tabac ayant un pH supérieur à 8 pour ajuster le pH à 8 ou moins.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le chauffage est effectué à une température de 130 °C ou moins.
  4. Matière de tabac à usage oral qui est obtenu par le procédé selon l'une quelconque des revendications 1 à 3.
EP13752001.1A 2012-02-24 2013-02-20 Procédé de fabrication de matériau de tabac à chiquer, et matériau de tabac à chiquer Active EP2818059B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012039028 2012-02-24
PCT/JP2013/054195 WO2013125586A1 (fr) 2012-02-24 2013-02-20 Procédé de fabrication de matériau de tabac à chiquer, et matériau de tabac à chiquer

Publications (3)

Publication Number Publication Date
EP2818059A1 EP2818059A1 (fr) 2014-12-31
EP2818059A4 EP2818059A4 (fr) 2015-10-07
EP2818059B1 true EP2818059B1 (fr) 2019-04-10

Family

ID=49005768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13752001.1A Active EP2818059B1 (fr) 2012-02-24 2013-02-20 Procédé de fabrication de matériau de tabac à chiquer, et matériau de tabac à chiquer

Country Status (5)

Country Link
EP (1) EP2818059B1 (fr)
JP (1) JP5927288B2 (fr)
DK (1) DK2818059T3 (fr)
TW (1) TW201340889A (fr)
WO (1) WO2013125586A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121419A1 (it) * 2012-08-08 2014-02-09 Fattoria Autonoma Tabacchi S C A R L Metodo per la produzione di tabacco volto a ridurre il tenore di nitrosammine.
US11503853B2 (en) * 2013-09-09 2022-11-22 R.J. Reynolds Tobacco Company Smokeless tobacco composition incorporating a botanical material
CN104544549A (zh) * 2014-12-31 2015-04-29 贵州中烟工业有限责任公司 一种利用绿茶茶叶提取物制备的电子烟烟液
EP3280278B1 (fr) 2015-04-08 2019-05-29 Swedish Match North Europe AB Procédé de production d'un produit de tabac sans fumée en sachet comprenant un traitement thermique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007037962A1 (fr) * 2005-09-22 2007-04-05 R.J. Reynolds Tobacco Company Composition de tabac qui ne se fume pas
US20070062549A1 (en) 2005-09-22 2007-03-22 Holton Darrell E Jr Smokeless tobacco composition
US8944072B2 (en) * 2009-06-02 2015-02-03 R.J. Reynolds Tobacco Company Thermal treatment process for tobacco materials
US8434496B2 (en) * 2009-06-02 2013-05-07 R. J. Reynolds Tobacco Company Thermal treatment process for tobacco materials
DK2529634T3 (en) * 2010-01-28 2018-06-14 Japan Tobacco Inc Tobacco product with water repellent wrapping

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2818059A4 (fr) 2015-10-07
EP2818059A1 (fr) 2014-12-31
TW201340889A (zh) 2013-10-16
WO2013125586A1 (fr) 2013-08-29
DK2818059T3 (da) 2019-05-13
JP5927288B2 (ja) 2016-06-01
JPWO2013125586A1 (ja) 2015-07-30

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