WO2014196033A1 - Procédé de production d'un matériau de tabac - Google Patents

Procédé de production d'un matériau de tabac Download PDF

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Publication number
WO2014196033A1
WO2014196033A1 PCT/JP2013/065589 JP2013065589W WO2014196033A1 WO 2014196033 A1 WO2014196033 A1 WO 2014196033A1 JP 2013065589 W JP2013065589 W JP 2013065589W WO 2014196033 A1 WO2014196033 A1 WO 2014196033A1
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WO
WIPO (PCT)
Prior art keywords
salt
aqueous solution
extraction
concentration
tobacco
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2013/065589
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English (en)
Japanese (ja)
Inventor
貴純 香島
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Japan Tobacco Inc
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Japan Tobacco Inc
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Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2013/065589 priority Critical patent/WO2014196033A1/fr
Publication of WO2014196033A1 publication Critical patent/WO2014196033A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts

Definitions

  • the present invention relates to a method for producing a tobacco raw material. More specifically, the present invention relates to a method for producing a tobacco raw material that can be used for an oral tobacco product.
  • Patent Document 1 in order to selectively remove nitrosamine (TSNA) contained in tobacco leaves, an operation of extracting tobacco leaves using water as a solvent is first performed, and an aqueous extract obtained by the operation is extracted.
  • a method is described that comprises contacting TSNA with an adsorbent that selectively adsorbs TSNA.
  • filtered water, distilled water, deionized water, common plug water, or an aqueous solution is used as water used to obtain an aqueous extract.
  • Patent Document 2 describes a method for modifying the characteristics of tobacco materials. After obtaining a tobacco material extract extracted with an aqueous solvent, the pH of the solvent of the extract is set to 9 or more. It is described that a tobacco material extract (aqueous denicotine tobacco material extract) with reduced nicotine can be obtained through a treatment including a step of bringing the product into contact with another solvent.
  • Patent Document 3 describes a method for treating tobacco, which includes a step of extracting tobacco with an aqueous or organic solvent and a step of filtering the extracted product, and these steps are performed on a horizontal belt filter.
  • Patent Document 1 it is described that TSNA is removed using an adsorbent, so that alkaloids are not reduced so much while TSNA is removed.
  • Patent Document 2 it is described that the pH of water, which is a solvent for obtaining an aqueous denicotine tobacco material extract, may be adjusted, but the effect obtained thereby is described. Absent.
  • the method described in Patent Document 3 is premised on performing an extraction operation and filtration on a horizontal belt. In the methods described in Patent Documents 1 and 2, a multi-stage process is disclosed as a process for treating tobacco leaves. In Patent Document 1, it is assumed that a special adsorbent is used. In the method described in Patent Document 3, it is assumed that a special apparatus is used. For these reasons, there is a demand for a technique that does not change the content of nicotine in tobacco leaves while selectively removing components such as TSNA and ammonia from tobacco leaves by a simple method.
  • a tobacco raw material in which the content of TSNA and ammonia in tobacco leaves is reduced while the change in the content of nicotine in tobacco leaves is suppressed is easily produced. Provide a method.
  • Tobacco including an extraction step of extracting tobacco leaves with an aqueous solution satisfying at least one of the following requirements (1) and (2) in which a salt is dissolved, and using the extraction residue obtained in the extraction step as a tobacco raw material Raw material manufacturing method.
  • the salt is a polybasic acid salt
  • the concentration of the cation species of the salt at the time of preparation of the aqueous solution is 0.16 mol / g or more
  • the pH of the aqueous solution at the time of extraction of the tobacco leaves is 7. 98 or more.
  • the aqueous solution is an aqueous solution satisfying the requirement (2), the salt to be dissolved is a salt of a monobasic acid or a mixture of a polybasic acid and a salt of a monobasic acid, and the cation species of the salt at the time of preparing the aqueous solution
  • the production method according to [6] wherein the concentration of the cationic species of the salt at the time of preparing the aqueous solution is 0.34 mol / g or more, and the pH at the time of extraction of the tobacco leaves is 8.60 or more.
  • the salt to be dissolved is a mixture of a polybasic acid salt and a monobasic acid salt, the monobasic acid salt is sodium chloride or potassium chloride, and the polybasic acid salt is sodium carbonate or potassium carbonate.
  • a method for producing a tobacco raw material by a simple method in which the content of TSNA and ammonia is reduced while the change in the content of nicotine is suppressed.
  • FIG. 2 shows the concentration and pH range of a cation species that can obtain an extraction suppression rate in a specific range.
  • the concentration of the cation species in the aqueous solution is the concentration at which the aqueous solution used for the extraction treatment is prepared.
  • the pH at the time of extraction of the aqueous solution is a value obtained when the pH of the aqueous solution after the extraction treatment is measured, as will be described later.
  • the extraction rate of nicotine can be suppressed by at least 30% (FIG. 3 (2)).
  • the concentration of the cationic species of the salt when preparing the aqueous solution is 0.49 mol / g or more, and the pH at the time of extraction of the tobacco leaf using the salt is 7.98 or more, the tobacco leaf While reducing the content of TSNA and ammonia therein, the extraction rate of nicotine can be suppressed by at least 40% (FIG. 3 (3)).
  • the concentration of the cationic species of the salt when preparing the aqueous solution is 0.23 mol / g or more, and the pH at the time of extraction of tobacco leaves using this is 8.60 or more.
  • the content of TSNA and ammonia in the tobacco leaf can be effectively reduced, while maintaining the nicotine content.
  • the amount of nicotine extracted and reduced from the tobacco leaf (hereinafter also referred to as nicotine extraction rate) can be suppressed by at least 10% (FIG. 4 (5)).
  • the concentration of the cationic species of the salt when preparing the aqueous solution is 0.34 mol / g or more, and the pH at the time of extraction of tobacco leaves using the salt is 8.60 or more.
  • Examples of the salt used to satisfy the requirement (2) above include an embodiment using only a monobasic acid salt and an embodiment combining a monobasic acid salt and a polybasic acid salt.
  • Examples of monobasic acid salts include sodium chloride and potassium chloride.
  • Polybasic acid salts include sodium carbonate, potassium carbonate, tripotassium phosphate, tripotassium citrate, sodium sulfate, ammonium sulfate, dipotassium hydrogen phosphate, disodium hydrogen phosphate, sodium bicarbonate and trisodium phosphate. One or more selected may be mentioned.
  • Examples of the salt of the polybasic acid when used in combination with the salt of the monobasic acid include combinations with the salts of the polybasic acid mentioned above.
  • the pH of the aqueous salt solution used in the production method of the present invention may be adjusted by adjusting the addition amount of the above-mentioned salt alone, and sodium hydroxide, potassium hydroxide or the like may be used to adjust the pH. It may be carried out by adjusting the amount of the substance that makes the aqueous solution basic when dissolved in pure water alone. These addition amounts can be appropriately adjusted so that the pH of the aqueous solution falls within a predetermined range defined in the present invention.
  • the tobacco raw material of the present invention is an oral tobacco product
  • snus can be cited as an example.
  • the tobacco raw material produced by the above-described production method is obtained by filling a packaging material using a raw material such as a nonwoven fabric by a known method.
  • the amount of tobacco material is adjusted and filled, and sealed by means such as heat sealing to obtain snus.
  • the packaging material can be used without any particular limitation, but a cellulose-based nonwoven fabric is preferably used.
  • the gum is used as the oral tobacco product, it is obtained by mixing the tobacco raw material obtained using the production method of the present invention with a known gum base and a known method.
  • a chewing tobacco, a hooked tobacco, and a compressed tobacco can also be obtained using a known method except that the tobacco raw material obtained using the production method of the present invention is used.
  • an edible film can also be obtained using a known material or method except that the tobacco raw material obtained using the production method of the present invention is used.
  • Table 2 For each level shown in Table 2 below, an aqueous salt solution was prepared so as to have the composition described in the table, and tobacco leaves were extracted using it. For each level, the extraction rate and the extraction suppression rate were calculated. The amount of nicotine in the extract was measured by the following method, and the extraction rate and the extraction inhibition rate shown in Table 2 were calculated by the method described above using the values. In addition, Table 2 shows the pH of each level after extraction measured by the following method.
  • ⁇ PH measurement conditions Measuring equipment: LAQUA F-72 flat ISFET pH electrode (Horiba) Equipment calibration: 3 using phthalic acid pH standard solution (pH 4.01), neutral phosphate pH standard solution (pH 6.86), borate pH standard solution (pH 9.18) (all Wako Pure Chemical Industries) Point calibration
  • ⁇ GC measurement conditions Measuring instrument: Agilent 7890A GC Carrier gas: He, 1.3 mL / min flow Injector: ALS Sampler, Injection volume 1.0 ⁇ L Inlet: Split-Splitless Inlet, Split Mode (Split Ratio 10: 1), Temp. 250 °C Column: DB-35MS, 30m, 0.25mm id, 0.25mm ft Oven temperature: 100 ° C. (0.5 min) ⁇ (10 ° C./min) ⁇ 200 ° C. (0 min) Detector: NPD, Temp.
  • the quantitative value is calculated by the amount of nicotine contained in the dry matter weight excluding the moisture of tobacco leaves subjected to extraction.
  • the moisture content of the tobacco material was measured under the following conditions.
  • Level 2 is a strong basic but a low salt concentration.
  • Level 3 is a comparative example in which the salt concentration is high but the pH is not basic. From these comparisons, it can be seen that the effects of the present invention are not manifested under strong basic conditions alone or under conditions of high salt concentrations alone.
  • levels 4 to 8 are levels obtained by testing with extraction water adjusted to different pH depending on the amount of NaOH added after securing a certain high salt concentration condition with NaCl. From this result, it was found that under the condition where a high salt concentration was ensured, significant nicotine extraction suppression was expressed at a certain pH (8-9).
  • levels 9 to 12 and 13 to 16 are levels obtained by extraction with aqueous solutions prepared to have different salt concentrations depending on the amount of NaCl or KCl added under the condition that certain basicity is secured with NaOH or KOH. From this result, it was found that the nicotine extraction inhibition rate increased in a salt concentration-dependent manner under a condition where a certain basicity was ensured. Moreover, it can be said that there is no difference in sodium and potassium about the cationic species of the salt to be used. Furthermore, levels 17 to 21 (Na 2 CO 3 ), 22 to 27 (K 2 CO 3 ), 28 to 32 (K 3 PO 4 ), and 59 (Na 3 PO 4 ) are strongly basic in a single aqueous solution. It is the result of having tested using what is shown.
  • levels 33-35 trisodium citrate
  • 36-38 potassium acetate
  • 51-53 K 2 HPO 4
  • 57 NaHCO 3
  • 58 Na 2 HPO 4
  • levels 33 to 34 and 36 to 37 are not effective because the pH is not sufficiently basic, but at levels 35 and 38, which are the highest concentration levels, the pH is around 8 and is notable. The effect was expressed. Compared with the levels 35 and 38, trisodium citrate was more effective, although the salt concentration and pH were almost equal.
  • FIG. 1 shows the relationship between the type, the salt concentration, and the extraction inhibition rate of the salt used in which the salt concentration-dependent extraction inhibition effect was observed.
  • the salt of polybasic acid has a higher extraction suppressing effect on the salt concentration.
  • Na 2 CO 3 which is a polybasic acid salt
  • NaCl which is a monovalent salt
  • FIG. 2 shows a plot of all examples plotted with extraction pH and concentration of cationic species in the aqueous solution used for extraction.
  • FIG. 3 and FIG. 4 show the results of analyzing this result.

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

Abstract

L'invention concerne un procédé de production d'un matériau de tabac dont la teneur en NAST et la teneur en ammoniac sont réduites. L'invention concerne un procédé de production d'un matériau de tabac, qui comprend une étape d'extraction dans laquelle les feuilles de tabac sont soumises à une extraction au moyen d'une solution aqueuse qui contient un sel dissous et respecte au moins une des conditions (1) et (2) décrites ci-dessous, et dans lequel le résidu d'extraction obtenu dans l'étape d'extraction est utilisé comme matériau de tabac. (1) Le sel est un sel d'un acide polybasique, la concentration de l'espèce cationique du sel lorsque la solution aqueuse est préparée est supérieure ou égale à 0,16 mol/g et le pH de la solution aqueuse lorsque les feuilles de tabac sont soumises à l'extraction est supérieure ou égal à 7,98. (2) La concentration de l'espèce cationique du sel lorsque la solution aqueuse est préparée est supérieure ou égale à 0,23 mol/g et le pH de la solution aqueuse lorsque les feuilles de tabac sont soumises à l'extraction est supérieure ou égal à 8,60.
PCT/JP2013/065589 2013-06-05 2013-06-05 Procédé de production d'un matériau de tabac Ceased WO2014196033A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/065589 WO2014196033A1 (fr) 2013-06-05 2013-06-05 Procédé de production d'un matériau de tabac

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/065589 WO2014196033A1 (fr) 2013-06-05 2013-06-05 Procédé de production d'un matériau de tabac

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WO2014196033A1 true WO2014196033A1 (fr) 2014-12-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109171003A (zh) * 2018-09-14 2019-01-11 上海烟草集团有限责任公司 磷酸钠缓冲液在降低卷烟烟气TSNAs释放量中的应用
CN109512014A (zh) * 2017-09-18 2019-03-26 湖南中烟工业有限责任公司 一种从烟草中提取烟碱的方法
US20220264933A1 (en) * 2019-06-05 2022-08-25 Philip Morris Products S.A. Nicotine composition, method for making and aerosol generating articles comprising such

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003289842A (ja) * 2002-03-27 2003-10-14 Hygen Enbio Tec Co Ltd 有害成分を低減させるたばこの葉の加工方法
WO2005122803A1 (fr) * 2004-06-16 2005-12-29 Japan Tobacco Inc. Processus pour produire un matériau de tabac régénéré
JP2010516272A (ja) * 2007-01-26 2010-05-20 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 水性タバコ抽出物からの成分を選択的に除去するための方法及び装置
WO2011122567A1 (fr) * 2010-03-29 2011-10-06 日本たばこ産業株式会社 Matière à base de tabac pour utilisation orale
US20110289836A1 (en) * 2005-02-28 2011-12-01 Mingwu Cui Use of chlorate, sulfur or ozone to reduce tobacco specific nitrosamines
WO2013035505A1 (fr) * 2011-09-05 2013-03-14 日本たばこ産業株式会社 Procédé pour empêcher une augmentation des nitrosamines spécifiques au tabac pendant le stockage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003289842A (ja) * 2002-03-27 2003-10-14 Hygen Enbio Tec Co Ltd 有害成分を低減させるたばこの葉の加工方法
WO2005122803A1 (fr) * 2004-06-16 2005-12-29 Japan Tobacco Inc. Processus pour produire un matériau de tabac régénéré
US20110289836A1 (en) * 2005-02-28 2011-12-01 Mingwu Cui Use of chlorate, sulfur or ozone to reduce tobacco specific nitrosamines
JP2010516272A (ja) * 2007-01-26 2010-05-20 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 水性タバコ抽出物からの成分を選択的に除去するための方法及び装置
WO2011122567A1 (fr) * 2010-03-29 2011-10-06 日本たばこ産業株式会社 Matière à base de tabac pour utilisation orale
WO2013035505A1 (fr) * 2011-09-05 2013-03-14 日本たばこ産業株式会社 Procédé pour empêcher une augmentation des nitrosamines spécifiques au tabac pendant le stockage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109512014A (zh) * 2017-09-18 2019-03-26 湖南中烟工业有限责任公司 一种从烟草中提取烟碱的方法
CN109171003A (zh) * 2018-09-14 2019-01-11 上海烟草集团有限责任公司 磷酸钠缓冲液在降低卷烟烟气TSNAs释放量中的应用
CN109171003B (zh) * 2018-09-14 2021-12-28 上海烟草集团有限责任公司 磷酸钠缓冲液在降低卷烟烟气TSNAs释放量中的应用
US20220264933A1 (en) * 2019-06-05 2022-08-25 Philip Morris Products S.A. Nicotine composition, method for making and aerosol generating articles comprising such

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