• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    _14- Abstract Bleached tobacco raw material comprising less than about 4 weight-% fermentablecarbohydrates, calculated on the dry total weight of the bleached tobacco raw mate-rial. Smoking tobacco composition comprising the bleached tobacco raw material.Smokeless tobacco composition comprising the bleached tobacco raw material. Na-sal snuff comprising the smokeless tobacco composition. Oral smokeless tobaccoproduct comprising the smokeless tobacco composition. A process for production ofbleached tobacco raw material comprising: (a) treating tobacco raw material at acidicpH at about 70°C to about 180°C with sulfite ion; (b) defibrating the tobacco raw; and(c) treating the defibrated material with a bleaching agent at about 60°C to about90°C. Bleached tobacco raw material for use in the treatment of nicotine addiction.
    公开号:SE1450421A1
    申请号:SE1450421
    申请日:2014-04-04
    公开日:2015-10-05
    发明作者:Lars Björkholm
    申请人:Internat Aps X；
    IPC主号:
    专利说明:

    _1_ Tobacco raw material The present invention relates to a tobacco raw material, a smoking tobacco composi-tion comprising the tobacco raw material, and a smokeless tobacco compositioncomprising the tobacco raw material.
    The invention also relates to nasal snuff and oral smokeless tobacco products com-prising the smokeless tobacco composition.
    The invention also relates to a process for production of a tobacco raw material, andto tobacco raw material obtainable by this process.
    BackgroundTobacco fermentation is basically a process that starts spontaneously soon after thetobacco is harvested.
    As tobacco fermentation was early on found to enhance certain properties of the to-bacco, such as smell and taste, this spontaneous process is frequently consciouslystimulated in various industrial processes in the course of tobacco production.
    However, tobacco fermentation - spontaneous as well as industrially stimulated - al-so has the effect of generating undesired byproducts, such as for instance tobacco-specific nitrosamines, abbreviated TSNA, which are known to be carcinogens.
    Short summary of the inventionlt would be desirable to be able to provide a tobacco raw material that can easily beprovided with such desirable properties as is associated with tobacco fermentation,such as enhanced smell and taste, while not being burdened by the undesired sideeffects of tobacco fermentation.
    One object of the present invention is to provide such a tobacco raw material.Thus, one aspect of the invention relates to a bleached tobacco raw material com- prising less than about 4 weight-% fermentable carbohydrates, calculated on the drytotal weight of the bleached tobacco raw material. _2_ Description of embodiments of the invention Before the present invention is disclosed and described, it is to be understood thatthis invention is not limited to the particular configurations, process steps, and mate-rials disclosed herein as such configurations, process steps, and materials may varysomewhat. lt is also to be understood that the terminology employed herein is usedfor the purpose of describing particular embodiments only and is not intended to belimiting since the scope of the present invention will be limited only by the appendedclaims and equivalents thereof. lt must be noted that, as used in this specification and the claims, the singular forms a , an", and “the” include plural referents unless the context clearly dictates other- wise. ln this specification, unless otherwise stated, the term "about" modifying the quantityof an ingredient in the tobacco raw material, tobacco compositions, or tobacco prod-ucts of the invention or employed in the methods of the invention refers to variation inthe numerical quantity that can occur, for example, through typical measuring andliquid handling procedures used for making concentrates or use solutions in the realworld; through inadvertent error in these procedures; through differences in the man-ufacture, source, or purity of the ingredients employed to make the tobacco raw ma-terial, tobacco compositions, or tobacco products, or to carry out the methods; andthe like. The term “about” also encompasses amounts that differ due to different equi-librium conditions for a composition resulting from a particular initial mixture. Whetheror not modified by the term "about", the claims include equivalents to the quantities. ln this specification, unless otherwise stated, the term “bleached” refers to an object,such as for instance a tobacco raw material, whose visible color has been reducedby any known method for this purpose, such as washing with one or more solvents,or treatment with one or more bleaching agents, or any combination thereof. ln this specification, unless otherwise stated, the term “fermentable carbohydrates”refers to carbohydrates that can be metabolically broken down in and by the human body, specifically starch, glucose, fructose and sucrose. ln this specification, unless otherwise stated, the term “ora|” in connection to a prod-uct refers to the product, in normal use, is suited to be placed somewhere in the oralcavity of the user, for example under the lips, in the same way as moist snuff prod- ucts are generally used. ln one embodiment the bleached tobacco raw material comprises less than about2 weight-%, specifically less than about 1 weight-%, of fermentable carbohydrates,calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 7.0mg/kg, specifically less than about 3.5 mg/kg, more specifically less than about 1.0mg/kg nitrite, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises a combinedamount of NNN (N-nitrosonornicotine) and NNK ((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone) that is less than about 2.0 mg/kg, specifically less than about 1.0 mg/kg,more specifically less than about 0.2 mg/kg, calculated on the dry total weight of thebleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about10.0 ug/kg, specifically less than about 5.0 ug/kg, more specifically less than about0.6 ug/kg of NDMA (N-Nitrosodimethylamine), calculated on the dry total weight ofthe bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 5.0ug/kg, specifically less than about 2.5 ug/kg, more specifically less than about 0.6ug/kg of B(a)P (Benzo(a)pyrene), calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 1.0mg/kg, specifically less than about 0.5 mg/kg, more specifically less than about 0.1mg/kg of Cd, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 2.0mg/kg, specifically less than about 1.0 mg/kg, more specifically less than about 0.1mg/kg of Pb, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 0.5mg/kg, specifically less than about 0.25 mg/kg, more specifically less than about 0.1mg/kg of As, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 3.0mg/kg, specifically less than about 1.5 mg/kg, more specifically less than about 0.1mg/kg of Ni, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 4.5mg/kg, specifically less than about 2.25 mg/kg, more specifically less than about 0.1mg/kg of Cr, calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises less than about 7.0 mg/kg nitrite; less than about 2.0 mg/kg combined amount of NNN (N-nitrosonornicotine) and NNK((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone); less than about 10.0 ug/kg NDMA (N-Nitrosodimethylamine); less than about 5.0 ug/kg B(a)P (Benzo(a)pyrene); less than about 1.0 mg/kg Cd; less than about 2.0 mg/kg Pb; less than about 0.5 mg/kg As; less than about 3.0 mg/kg Ni; less than about 4.5 mg/kg Cr; calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprisesless than about 3.5 mg/kg nitrite; _5_ less than about 1.0 mg/kg combined amount of NNN (N-nitrosonornicotine) and NNK((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone); less than about 5.0 ug/kg NDMA (N-Nitrosodimethylamine); less than about 2.5 ug/kg B(a)P (Benzo(a)pyrene); less than about 0.5 mg/kg Cd; less than about 1.0 mg/kg Pb; less than about 0.25 mg/kg As; less than about 1.5 mg/kg Ni; less than about 2.25 mg/kg Cr; calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprisesless than about 1.0 mg/kg nitrite; less than about 0.2 mg/kg combined amount of NNN (N-nitrosonornicotine) and NNK((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone); less than about 0.6 ug/kg NDMA (N-nitrosodimethylamine); less than about 0.6 ug/kg B(a)P (benzo(a)pyrene); less than about 0.1 mg/kg Cd; less than about 0.1 mg/kg Pb; less than about 0.1 mg/kg As; less than about 0.1 mg/kg Ni; less than about 0.1 mg/kg Cr; calculated on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material comprises a combinedamount of aflatoxins B1, B2, G1, and G2 that does not exceed 0.01 mg/kg, calculat- ed on the dry total weight of the bleached tobacco raw material. ln one embodiment the bleached tobacco raw material has an ISO brightness that isnot less than about 60, specifically not less than about 70, and more specifically not less than about 80, as measured according to ISO 2470:1999. _6_ As will be realized by the skilled person the present invention thus provides a tobac- co raw material that is substantially free from undesired substances.
    One advantage of the inventive bleached tobacco raw material is that it provides fortobacco products that does not discolour the user's fingers, and - in the case of oral smokeless tobacco products - does not discolour the user's teeth.
    Another aspect of the invention re|ates to a smoking tobacco composition comprisingthe inventive bleached tobacco raw material. ln one embodiment the smoking tobacco composition comprises nicotine in additionto any nicotine naturally present in the tobacco. The added nicotine may be naturalnicotine, i.e. nicotine extracted from tobacco plants, or synthetic nicotine, or a combination thereof. ln one embodiment the tobacco raw material content of the smoking tobacco compo-sition comprises up to about 99 wt-%, specifically up to about 50 wt-%, and morespecifically up to about 25 wt-% of unbleached tobacco raw material, calculated onthe dry total weight of the tobacco raw material content of the composition.
    Another aspect of the invention re|ates to a smokeless tobacco composition compris-ing the inventive bleached tobacco raw material. ln one embodiment the smokeless tobacco composition comprises nicotine in addi-tion to any nicotine naturally present in the tobacco. The added nicotine may benatural nicotine, i.e. nicotine extracted from tobacco plants, or synthetic nicotine, or a combination thereof. ln one embodiment the tobacco raw material content of the smokeless tobacco com-position comprises up to about 99 wt-%, specifically up to about 50 wt-%, and morespecifically up to about 25 wt-% of unbleached tobacco raw material, calculated onthe dry total weight of the tobacco raw material content of the composition. _7_ Another aspect of the invention relates to nasal snuff, i.e. snuff products suited for nasal administration, which comprises the inventive smokeless tobacco composition.
    Another aspect of the invention relates to an oral smokeless tobacco product com-prising the inventive smokeless tobacco composition. The oral smokeless tobaccoproduct may be, but is not limited to, moist snuff such as snus, chewing tobacco, oraldry snuff, or hard snuff.
    A particular advantage of this aspect of the invention is that it the low content of fer- mentable carbohydrates provides for a greatly reduced risk for dental caries.
    The oral smokeless tobacco product may comprise additives chosen among - but notlimited to - one or more substances belonging to any of the following categories, orcombinations thereof: API (active pharmaceutical substances), food additives, naturalor synthetic nutrients, flavoring substances, natural medicaments or naturally occur-ring substances that can have an effect on humans. Examples of such substancesare green tea, white tea, caffeine, vitamin B12, vitamin C, vitamin E, bioperin, Q10,selenium, glutathione, liponic acid, folic acid, ginseng, pollen extract, antioxidants,minerals, paracetamol, acetylsalicylic acid, Russian root, and rose root. ln one embodiment the oral smokeless tobacco product contains an alginate compo-sition of the kind, and in the way described in WO 2010/114445, the contents ofwhich is hereby incorporated by reference. More specifically, the oral smokeless to-bacco product according to this embodiment contains an alginate composition, dis-tributed in the product and comprising at least water, alginate and an added sub-stance intended to be released from the product when said product is used, saidcomposition containing an alginate matrix that retains at least a major proportion ofthe added substance so long as the matrix is intact, and the alginate matrix beingformed so as to disintegrate and/or dissolve in the chemical and physical environ-ment that exists in a user's mouth; wherein said alginate contains an alginate salt of monovalent cations and is soluble in cold water. _8_ ln one embodiment the oral smokeless tobacco product is chewing tobacco compris-ing a gum base. The gum base may be chosen among - but is not limited to - com- mercial chewing gum bases, bubble gum bases, and natural gum base materials.
    The oral smokeless tobacco product may be provided in baked or compressed form,from which portions may punched or pressed in portions, such as lozenges or tab-lets.
    As an alternative, the oral smokeless tobacco product may be provided in loose formor in the form of portion-size sachets. As a further alternative it may have a film-like form.
    The oral smokeless tobacco product may have a pH of about 7-12, specifically about 8-12, more specifically about 8-9.
    The oral smokeless tobacco product may have a water content of about 5 - 55%,specifically about 40 - 55%, more specifically about 45 - 52%.
    Another aspect of the invention relates to a process for production of the inventivebleached tobacco raw material comprising the steps of: (a) treating unbleached tobacco raw material at an acidic pH and at a temperaturerange of from about 70°C to about 180°C with an aqueous solution of comprising sul-fite ion; (b) defibrating the tobacco raw material from step (a); and (c) treating the defibrated tobacco raw material from step (c) with an effective amount of a bleaching agent at a temperature range of from about 60°C to about 90°C.
    The bleaching agent may be - but is not limited to - chlorine dioxide, sodium hypo- chlorite, hydrogen peroxide, ozone, enzymes, oxygen, or a combination thereof.
    The bleaching agent may also be constituted by, or at least involve the use of ultra- sound.
    The invention will now be illustrated in closer detail in the following non-limiting ex- amples.
    ExampleDigestionStep 1.Unbleached tobacco raw material is cooked with water in a digesting vessel at 120°Cfor 30 minutes, after which the liquid is drawn off, and the material is flushed with wa- ter.
    Step 2.
    Cooking liquor, with pH adjusted to 4.5 by S02, is added to the digesting vessel. Thecooking liquor contains mainly sodium bisulfite, but also partly sodium sulfite. Thecooking is performed at 165°C for 40 minutes, after which the digesting vessel is de-gassed. Water is added and circulated at 80°C. The digesting vessel is emptied andthe material is flushed.
    Screening The digested material is taken to a defibrator, in which the fibres are freed by beat-ing.
    The obtained fiber suspension is led to a screen with 0.25 mm slots to screen awayundigested fibres. The remaining fibres are brought to a centrifuge in which the mate-rial, pulp, is dewatered to dry content of about 30%.
    BleachingThe bleaching is carried out in a plastic vessel heated by a water bath.
    Step 1.The pulp is treated at 70°C for 30 minutes with ClOg in an amount of 38 kg/ton of pulp, at a pulp concentration of 10%. _10- Step 2.The pulp is treated at 80°C for 120 minutes with ClOg in an amount of 38 kg/ton ofpulp, at a pulp concentration of 10%.
    Step 3.The pulp is treated at 80°C for 120 minutes with ClOg in an amount of 19 kg/ton ofpulp, at a pulp concentration of 10%.
    The pulp is washed after each step according to the following: Bieaching Iiquor is drawn off in a centrifuge; the pulp is diluted with water and s|urriedby means of a stirrer; and the pulp is then washed in the centrifuge with 1 liter of wa-ter per 10 grams of pulp.
    The resulting bleached tobacco raw material is then dried and ground.
    Another aspect of the invention relates to bleached tobacco raw material obtainableby the inventive process.
    Another aspect of the invention relates to the inventive bleached tobacco raw materi-al for use in the treatment of nicotine addiction, such as for instance in a pharmaceu-tical for smoking cessation pharmaceutical.
    Although the invention has been described with regard to certain embodiments itshould be understood that various changes and modifications as would be obvious toone having the ordinary skill in this art may be made without departing from thescope of the invention as set forth in the claims appended hereto.
    权利要求:
    Claims (18)
    [1] 1. Claims1. A bleached tobacco raw material comprising less than about 4 weight-% fer-mentable carbohydrates, calculated on the dry total weight of the bleached tobacco raw material.
    [2] 2. The bleached tobacco raw material according to claim 1, comprisingless than about 7.0 mg/kg nitrite; less than about 2.0 mg/kg combined amount of NNN (N-nitrosonornicotine) and NNK((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone); less than about 10.0 ug/kg NDMA (N-nitrosodimethylamine); less than about 5.0 ug/kg B(a)P (benzo(a)pyrene); less than about 1.0 mg/kg Cd; less than about 2.0 mg/kg Pb; less than about 0.5 mg/kg As; less than about 3.0 mg/kg Ni; less than about 4.5 mg/kg Cr; calculated on the dry total weight of the bleached tobacco raw material.
    [3] 3. The bleached tobacco raw material according to claim 1, comprisingless than about 1.0 mg/kg nitrite; less than about 0.2 mg/kg combined amount of NNN (N-nitrosonornicotine) and NNK((4-methylnitrosamino)-1-(3-pyridyl)-1-butanone); less than about 0.6 ug/kg NDMA (N-nitrosodimethylamine); less than about 0.6 ug/kg B(a)P (benzo(a)pyrene); less than about 0.1 mg/kg Cd; less than about 0.1 mg/kg Pb; less than about 0.1 mg/kg As; less than about 0.1 mg/kg Ni; less than about 0.1 mg/kg Cr; calculated on the dry total weight of the bleached tobacco raw material. _12-
    [4] 4. The bleached tobacco raw material according to claim 1, comprising a com-bined amount of aflatoxins B1, B2, G1, and G2 that does not exceed 0.01 mg/kg,calculated on the dry total weight of the bleached tobacco raw material.
    [5] 5. The bleached tobacco raw material according to claim 1, wherein the bleached tobacco raw material has an ISO brightness that is not less than about 60.
    [6] 6. A smoking tobacco composition comprising the bleached tobacco raw materialaccording to claim 1.
    [7] 7. The smoking tobacco composition according to claim 6, wherein the composi-tion comprises nicotine in addition to any nicotine naturally present in the tobacco.
    [8] 8. A smokeless tobacco composition comprising the bleached tobacco raw mate-rial according to claim 1.
    [9] 9. The smokeless tobacco composition according to claim 8, wherein the compo- sition comprises nicotine in addition to any nicotine naturally present in the tobacco.
    [10] 10. The smokeless tobacco composition according to claim 8, wherein the tobaccoraw material content of the composition comprises up to about 99 wt-% unbleachedtobacco raw material, calculated on the dry total weight of the tobacco raw material content of the composition.
    [11] 11. Nasal snuff comprising the smokeless tobacco composition according to claim8.
    [12] 12. An oral smokeless tobacco product comprising the smokeless tobacco com-position according to claim 8, wherein the oral smokeless tobacco product is moistsnuff such as snus, or chewing tobacco, oral dry snuff or hard snuff.
    [13] 13. The oral smokeless tobacco product according to claim 12, wherein the prod-uct contains an alginate composition, distributed in the product and comprising at _13- least water, alginate and an added substance intended to be released from the prod-uct when said product is used, said composition containing an alginate matrix thatretains at least a major proportion of the added substance so long as the matrix isintact, and the alginate matrix being formed so as to disintegrate and/or dissolve inthe chemical and physical environment that exists in a user's mouth; wherein said alginate contains an alginate salt of monovalent cations and is soluble in cold water.
    [14] 14. The oral smokeless tobacco product according to claim 12, wherein the prod- uct is chewing tobacco comprising a gum base.
    [15] 15. The oral smokeless tobacco product according to claim 14, wherein the gumbase is chosen among commercial chewing gum bases, bubble gum bases, and nat- ural gum base materials.
    [16] 16. A process for production of bleached tobacco raw material comprising thesteps of: (a) treating unbleached tobacco raw material at an acidic pH and at a temperaturerange of from about 70°C to about 180°C with an aqueous solution of comprising sul-fite ion; (b) defibrating the tobacco raw material from step (a); and (c) treating the defibrated tobacco raw material from step (c) with an effective amount of a bleaching agent at a temperature range of from about 60°C to about 90°C.
    [17] 17. Bleached tobacco raw material according to claim 1 obtainable by the process according to claim 16.
    [18] 18. Bleached tobacco raw material according to claim 1 for use in the treatment of nicotine addiction.
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1450421A|SE538741C2|2014-04-04|2014-04-04|tobacco Commodity|SE1450421A| SE538741C2|2014-04-04|2014-04-04|tobacco Commodity|
    PCT/EP2015/057278| WO2015150506A1|2014-04-04|2015-04-02|Tobacco raw material|
    EP18200200.6A| EP3482641A1|2014-04-04|2015-04-02|Tobacco raw material|
    CA2942241A| CA2942241C|2014-04-04|2015-04-02|Tobacco raw material|
    DK15716994.7T| DK3125701T3|2014-04-04|2015-04-02|TOBACCO RAW MATERIAL|
    CN201580014029.8A| CN106455676B|2014-04-04|2015-04-02|Tobacco material|
    CN201910270840.2A| CN109965341B|2014-04-04|2015-04-02|Tobacco raw material|
    JP2016553626A| JP6473887B2|2014-04-04|2015-04-02|Tobacco raw materials|
    PL15716994T| PL3125701T3|2014-04-04|2015-04-02|Tobacco raw material|
    US15/301,724| US20170112183A1|2014-04-04|2015-04-02|Tobacco Raw Material|
    EP15716994.7A| EP3125701B1|2014-04-04|2015-04-02|Tobacco raw material|
    US15/284,593| US20170020183A1|2014-04-04|2016-10-04|Tobacco Raw Material|
    JP2018246529A| JP6745327B2|2014-04-04|2018-12-28|Tobacco raw material|
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