EP2793623B1 - Tobacco-containing article - Google Patents
Tobacco-containing article Download PDFInfo
- Publication number
- EP2793623B1 EP2793623B1 EP12805599.3A EP12805599A EP2793623B1 EP 2793623 B1 EP2793623 B1 EP 2793623B1 EP 12805599 A EP12805599 A EP 12805599A EP 2793623 B1 EP2793623 B1 EP 2793623B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tobacco
- plant parts
- aromatic plant
- containing article
- article according
- 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.)
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Links
- 244000061176 Nicotiana tabacum Species 0.000 title claims description 177
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims description 177
- 241000196324 Embryophyta Species 0.000 claims description 105
- 125000003118 aryl group Chemical group 0.000 claims description 97
- 235000019504 cigarettes Nutrition 0.000 claims description 60
- 239000000203 mixture Substances 0.000 claims description 58
- 235000014749 Mentha crispa Nutrition 0.000 claims description 39
- 235000006886 Zingiber officinale Nutrition 0.000 claims description 18
- 235000008397 ginger Nutrition 0.000 claims description 18
- 235000004357 Mentha x piperita Nutrition 0.000 claims description 17
- 239000000796 flavoring agent Substances 0.000 claims description 17
- 235000005979 Citrus limon Nutrition 0.000 claims description 16
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- 238000000034 method Methods 0.000 claims description 14
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- 238000012216 screening Methods 0.000 claims description 13
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- 239000007788 liquid Substances 0.000 claims description 4
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims description 4
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- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
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- 244000178870 Lavandula angustifolia Species 0.000 claims 2
- 244000078639 Mentha spicata Species 0.000 description 28
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 23
- 229960002715 nicotine Drugs 0.000 description 23
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 23
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- 244000269722 Thea sinensis Species 0.000 description 16
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- 239000000470 constituent Substances 0.000 description 16
- 238000004128 high performance liquid chromatography Methods 0.000 description 16
- 235000020279 black tea Nutrition 0.000 description 15
- 244000165082 Lavanda vera Species 0.000 description 13
- 241000234314 Zingiber Species 0.000 description 13
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 238000009826 distribution Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 235000019634 flavors Nutrition 0.000 description 7
- 239000013068 control sample Substances 0.000 description 6
- 238000011067 equilibration Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 235000006679 Mentha X verticillata Nutrition 0.000 description 5
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- 229910002651 NO3 Inorganic materials 0.000 description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000008240 homogeneous mixture Substances 0.000 description 5
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 4
- 229930091371 Fructose Natural products 0.000 description 4
- 239000005715 Fructose Substances 0.000 description 4
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- ULDHMXUKGWMISQ-UHFFFAOYSA-N carvone Chemical compound CC(=C)C1CC=C(C)C(=O)C1 ULDHMXUKGWMISQ-UHFFFAOYSA-N 0.000 description 4
- 229920002301 cellulose acetate Polymers 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- 229940041616 menthol Drugs 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
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- 239000000463 material Substances 0.000 description 3
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- NZGWDASTMWDZIW-MRVPVSSYSA-N (+)-pulegone Chemical compound C[C@@H]1CCC(=C(C)C)C(=O)C1 NZGWDASTMWDZIW-MRVPVSSYSA-N 0.000 description 2
- 235000009465 Backhousia citriodora Nutrition 0.000 description 2
- 244000281995 Backhousia citriodora Species 0.000 description 2
- 239000005973 Carvone Substances 0.000 description 2
- 244000025221 Humulus lupulus Species 0.000 description 2
- 240000006859 Jasminum officinale Species 0.000 description 2
- 235000010254 Jasminum officinale Nutrition 0.000 description 2
- 235000010701 Lavanda vera Nutrition 0.000 description 2
- 244000042664 Matricaria chamomilla Species 0.000 description 2
- 244000062730 Melissa officinalis Species 0.000 description 2
- 241001479543 Mentha x piperita Species 0.000 description 2
- 240000008440 Passiflora incarnata Species 0.000 description 2
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- NZGWDASTMWDZIW-UHFFFAOYSA-N Pulegone Natural products CC1CCC(=C(C)C)C(=O)C1 NZGWDASTMWDZIW-UHFFFAOYSA-N 0.000 description 2
- 235000007315 Satureja hortensis Nutrition 0.000 description 2
- 240000002114 Satureja hortensis Species 0.000 description 2
- 240000001949 Taraxacum officinale Species 0.000 description 2
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- 240000000143 Turnera diffusa Species 0.000 description 2
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- USMNOWBWPHYOEA-UHFFFAOYSA-N alpha-thujone Natural products CC1C(=O)CC2(C(C)C)C1C2 USMNOWBWPHYOEA-UHFFFAOYSA-N 0.000 description 2
- 235000019568 aromas Nutrition 0.000 description 2
- 238000005899 aromatization reaction Methods 0.000 description 2
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- 230000003247 decreasing effect Effects 0.000 description 2
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- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 2
- 239000001771 mentha piperita Substances 0.000 description 2
- 229930007459 p-menth-8-en-3-one Natural products 0.000 description 2
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- NFLGAXVYCFJBMK-RKDXNWHRSA-N (+)-isomenthone Natural products CC(C)[C@H]1CC[C@@H](C)CC1=O NFLGAXVYCFJBMK-RKDXNWHRSA-N 0.000 description 1
- 244000082872 Alchemilla vulgaris Species 0.000 description 1
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- 244000139693 Arctostaphylos uva ursi Species 0.000 description 1
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- WEEGYLXZBRQIMU-UHFFFAOYSA-N Eucalyptol Chemical compound C1CC2CCC1(C)OC2(C)C WEEGYLXZBRQIMU-UHFFFAOYSA-N 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
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- 235000008694 Humulus lupulus Nutrition 0.000 description 1
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- 235000003368 Ilex paraguariensis Nutrition 0.000 description 1
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- NFLGAXVYCFJBMK-UHFFFAOYSA-N Menthone Chemical compound CC(C)C1CCC(C)CC1=O NFLGAXVYCFJBMK-UHFFFAOYSA-N 0.000 description 1
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- 244000114218 Salvia fruticosa Species 0.000 description 1
- 240000007164 Salvia officinalis Species 0.000 description 1
- 235000002912 Salvia officinalis Nutrition 0.000 description 1
- 235000003142 Sambucus nigra Nutrition 0.000 description 1
- 240000006028 Sambucus nigra Species 0.000 description 1
- 235000002224 Satureja douglasii Nutrition 0.000 description 1
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- 241000207929 Scutellaria Species 0.000 description 1
- 235000006754 Taraxacum officinale Nutrition 0.000 description 1
- 235000005187 Taraxacum officinale ssp. officinale Nutrition 0.000 description 1
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- 235000007212 Verbena X moechina Moldenke Nutrition 0.000 description 1
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- 235000001594 Verbena polystachya Kunth Nutrition 0.000 description 1
- 235000007200 Verbena x perriana Moldenke Nutrition 0.000 description 1
- 235000002270 Verbena x stuprosa Moldenke Nutrition 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
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- 238000004458 analytical method Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229930007050 cineol Natural products 0.000 description 1
- 229960005233 cineole Drugs 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000008995 european elder Nutrition 0.000 description 1
- 229930003935 flavonoid Natural products 0.000 description 1
- 150000002215 flavonoids Chemical class 0.000 description 1
- 235000017173 flavonoids Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 235000002532 grape seed extract Nutrition 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 235000001510 limonene Nutrition 0.000 description 1
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- 239000001220 mentha spicata Substances 0.000 description 1
- 229930007503 menthone Natural products 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000001909 pimpinella anisum Substances 0.000 description 1
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- 238000005029 sieve analysis Methods 0.000 description 1
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- 241000894007 species Species 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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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
- 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
- A24B15/28—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
- A24B15/303—Plant extracts other than tobacco
-
- 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
Definitions
- the invention relates to a tobacco-containing article and to a method of manufacturing a tobacco-containing article.
- Tobacco-containing articles like cigarettes, cigarillos, cigars or fine-cut products for self-made cigarettes and snus products, are often aromatised by means of flavourants, as e.g. menthol.
- flavourants as e.g. menthol.
- Such flavourants provide an intense flavour and are added in relatively small amounts, preferably as a liquid, e.g. during the preparation and saucing of the tobacco.
- a disadvantage of this kind of conventional flavouring is the volatility and tendency to loss of many flavourants.
- flavour capsule into a tobacco-containing article, which can be broken by the consumer in order to release on demand the flavourant contained in the capsule.
- volatile flavourants it is possible to use volatile flavourants, but the tobacco-containing article in question is more expensive.
- the tobacco-containing article according to the invention comprises tobacco and aromatic plant parts which do not derive from the tobacco plant.
- the amount of the aromatic plant parts is in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts.
- the aromatic plant parts have a size in the range of from 0.1 mm to 10 mm or in the range of from 0.2 mm to 6 mm.
- the size of the aromatic plant parts is defined by a screening method, which is described in detail further below. Shortly, the aromatic plant parts are submitted to a series of vibrating screens according to DIN ISO 3310-1 having generally square meshes of decreasing sizes. If the aromatic plant parts have a size in a given range, virtually all of them will pass a screen having the upper limit of the range as the nominal mesh size, whereas the aromatic plant parts will not pass a screen having the lower limit of the range as the nominal mesh size. Aromatic plant parts passing a mesh diagonally may have a greater length than the nominal mesh size, but they are included by definition.
- the material used for the aromatic plant parts may include some dust which even passes the smallest mesh size.
- This dust by definition, is considered as not being a constituent of the aromatic plant parts. Its contribution is generally small.
- the total size range of the aromatic plant parts is embedded in one of the above ranges, but may have a smaller or even much smaller extension (spread of sizes). All lower limits of greater than 0.1 mm and all upper limits of less than 10 mm of such spread are expressly disclosed herewith.
- the amount of the aromatic plant parts is provided as a weight related to the total weight of the tobacco and the aromatic plant parts. Therefore, any major dependency on the actual moisture of the aromatic plant parts or of the tobacco cancels out.
- the weight ratio shall be determined after equilibration of the aromatic plant parts and of the tobacco for 2 days at 22°C and at a relative humidity of 58-60%.
- the tobacco-containing article according to the invention is an aromatised tobacco product, in which the aromatic plant parts are natural constituents and not artificial or concentrated aromas. This provides for a natural, maybe somewhat subliminal taste experience. The addition of artificial flavours, which otherwise would have to be added as alcoholic extracts, is not required, thus avoiding alcoholic constituents. Generally, the relative amount of the aromatic plant parts is greater than that of a conventional concentrated aroma substance, but not so great as to provide an obtrusive taste.
- the aromatic plant parts are relatively large, e.g. in the range of from 0.1 mm to 10 mm or from 0.2 mm to 6 mm, they generally contain material in addition to any flavourants, e.g. in a plant cell structure, which is able to keep the flavourants and to reduce flavour loosening effects. This may result in a slightly increased flavour shelf life of the respective tobacco-containing article, compared to a conventional tobacco-containing article treated with a liquid aroma concentrate.
- the relative amount of tobacco is smaller than in a conventional tobacco product. In a cigarette, cigarillo or cigar, this results in a dilution effect regarding tobacco nicotine and other constituents as, e.g., ammonia or nitrate. Examples are provided further below.
- the pH is increased because of the aromatic plant parts, the taste is generally stronger, although less nicotine is present.
- the aroma of the side-stream smoke of, e.g., a cigarette can also be positively influenced and optimised, depending on the selection of the aromatic plant parts.
- the visual appearance of the aromatic plant parts which in many applications are leaves or leaf parts, implies a natural product and a natural aromatisation.
- the tobacco-containing article in question can generate a pleasant smell, even before consumption.
- the aromatic plant parts comprise, e.g., spearmint, peppermint, anise, rosemary, wintergreen, ginger, lemon myrtle, lavender, mate, avocado, ground coffee beans, or any mixtures thereof.
- spearmint or peppermint causes a pleasant aroma.
- a detailed (but not exclusive) list of plants delivering suitable aromatic plant parts is given further below.
- At least part of the tobacco and of the aromatic plant parts can be included in a combined mixture. That means, e.g. cut tobacco parts and aromatic plant parts (e.g., in the size range of from 0.2 mm to 6 mm or of from 0.1 mm to 10 mm) are mixed together to form a combined and preferably generally homogeneous mixture.
- At least part of the tobacco comprises reconstituted tobacco.
- Sheets of reconstituted tobacco can be cut to form cut reconstituted tobacco, which can be mixed, e.g., with aromatic plant parts and also with natural cut tobacco.
- a reconstituted product from aromatic plant parts, e.g. in a way similar to one of the known processes of manufacturing reconstituted tobacco, so that at least part of the aromatic plant parts in the tobacco-containing article comprises a reconstituted product.
- a sheet of this reconstituted product can be cut to the desired size of the aromatic plant parts, e.g., in the range of from 0.2 mm to 6 mm or of from 0.1 mm to 10 mm.
- a reconstituted product which contains a mixture of tobacco parts and of aromatic plant parts.
- Such reconstituted product can also be produced in a manner analogous to conventional reconstituted tobacco. In this way, at least part of the tobacco and at least part of the aromatic plant parts are included in a combined reconstituted product, which can be cut to the desired size.
- At least part of the aromatic plant parts is provided in the form of granules, preferably of a size in the range of from 0.2 mm to 5 mm or from 0.5 mm to 2.5 mm.
- Such granules can be made of pressed aromatic plant parts and optionally additional water, without further additives.
- Granules comprising aromatic plant parts as well as tobacco are also conceivable.
- the tobacco-containing article includes a cut top-loaded sheet product, in which a base layer comprises or is made of reconstituted tobacco, wherein the base layer is provided on one side with aromatic plant parts.
- WO 03/082030 A discloses a method of manufacturing a top-loaded sheet product, in this case a top-loaded cigarette filler, in which a base layer on a basis of a fine fraction of tobacco and cellulose fibres is provided on one side with a fraction of course tobacco, wherein the assembly is subjected to a drying treatment.
- a base layer comprising reconstituted tobacco can be provided on one side with aromatic plant parts, and after drying this top-loaded sheet product is cut to pieces of the desired size.
- the tobacco-containing article includes a cut top-loaded sheet product, in which a base layer comprises reconstituted aromatic plant parts, wherein the base layer is provided on one side with aromatic plant parts.
- This cut top-loaded sheet product constitutes at least part of the aromatic plant parts. It can be mixed with tobacco and/or reconstituted tobacco and optionally with additional aromatic plant parts.
- the size of the aromatic plant parts in the range of from 0.1 mm to 10 mm or of from 0.2 mm to 6 mm is to be understood as the size of the aromatic plant part pieces used in the manufacturing process of the reconstituted sheet product.
- a reconstituted product is produced as generally known in the art.
- At least one flavourant in addition to the aromatic plant parts can be added, preferably as a liquid.
- An example is the addition of menthol to achieve a super-aromatisation.
- the aromatic plant parts can have a moisture of from 5% to 35%, preferably of from 5% to 20% or of from 7% to 12%, related to the total of the dry weight of the respective aromatic plant parts plus the moisture.
- moisture After admixture to tobacco, moisture generally equilibrates between the aromatic plant parts and the tobacco, e.g. within a closed packaging.
- Cigarettes typically have a moisture of from 7% to 14%. Snus typically has a moisture in the order of 35%.
- the tobacco-containing article according to the invention is provided as a cigarette, e.g., as a full-flavour cigarette having a tar level depending on regulatory ceilings, as a light cigarette having a tar level of up to 7 mg or as an ultralight cigarette having a tar level of up to 2 mg, or as a cigarillo or as a cigar.
- the tobacco and the aromatic plant parts are contained in the rod of the cigarette, cigarillo or cigar, respectively. This does not exclude, however, that a filter also includes tobacco and/or aromatic plant parts.
- the tobacco-containing article is provided in the form of pipe tobacco or in the form of fine-cut for self-made cigarettes, packaged in a suitable enclosure.
- Self-made cigarettes are known as "RYO" (roll-your-own), which means that the consumer takes a portion of fine-cut comprising tobacco and aromatic plant parts from a package, puts it on a cigarette paper (optionally with an additional filter), rolls the cigarette paper about the fine-cut and glues the seam of the cigarette paper.
- MYO make-your-own
- fine-cut is taken from a package and filled into some apparatus which, upon operation by the consumer, automatically or semiautomatically forms a finished smoking article.
- the tobacco-containing article is provided as a cigarette, cigarillo or cigar and comprises a rod, e.g. the rod of a cigarette
- the rod (which comprises tobacco and aromatic plant parts) can be wrapped by a low-sidestream cigarette paper having a base weight in the range of from 35 g/m 2 to 60 g/m 2 , having a porosity of less than 15 CU and including a filler.
- the filler comprises CaCO 3 of at least 30% and/or MgO of at least 3% and/or Mg(OH) 2 of at least 3%, the percentages being percent per weight of the respective compound, related to the total weight of the low-sidestream cigarette paper.
- the tobacco-containing article could also be provided in the form of snus, a product consumed by placing it under the lip for some period of time.
- the snus comprising tobacco and aromatic plant parts is prepared in a grinded and sieved form.
- the snus parts can have a size range of, e.g., from 0.1 mm to 1.5 mm or from 0.1 mm to 0.8 mm.
- the tobacco-containing article comprises cut tobacco and/or cut sheet products.
- the cut width of the tobacco or the respective sheet product can be that of cut tobacco in conventional tobacco-containing articles, e.g., 0.2 mm to 0.75 mm for fine cut tobacco, greater than 1.5 mm for pipe tobacco, or 0.6 mm to 0.9 mm for typical cigarettes.
- Such widths can also be suitable to the aromatic plant parts, when used in cut leaf form or cut sheet form.
- aromatic plant parts which do not derive from the tobacco plant and which have a size in the desired range, e.g., in the range of from 0.1 mm to 10 mm or in the range of from 0.2 mm to 6 mm, are added to the tobacco in an amount in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts.
- the tobacco or at least part of the tobacco is cut independently of the aromatic plant parts.
- uncut, large aromatic plant parts are already added to tobacco parts like leaves, ribs or stems or to a reconstituted tobacco sheet before the cutting step is performed. It is advantageous, however, when the aromatic plant parts are admixed relatively late in the process because they might release a strong aroma which tends to contaminate the manufacturing equipment.
- aromatic plant parts preferably cut ones
- aromatic plant parts can be added during treatment of the cut tobacco, e.g., during blending or flavouring.
- the aromatic plant parts to be examined are moisture-conditioned at a relative humidity of (70 ⁇ 2)% and at a temperature of (22 ⁇ 1)°C for 48 h. If the particles were too dry, they would break during sieving, which would deliver erroneous results.
- the moisture-conditioned aromatic plant parts are submitted to a stack of vibrating screens according to DIN ISO 3310-1 having meshes of decreasing sizes. If the aromatic plant parts have a size distribution in a given range, virtually all of them will pass a screen having the upper limit of the range as the nominal mesh size, whereas the aromatic plant parts will not pass a screen having the lower limit of the range as the nominal mesh size. Individual aromatic plant parts passing a mesh diagonally may have a greater length than the nominal mesh size, but they are included by definition. On the other hand, the material used for the aromatic plant parts may include some dust which even passes the smallest mesh size. This dust, by definition, is considered as not being a constituent of the aromatic plant parts. Its contribution is generally small.
- the screening machine For screening leaves, the screening machine performs horizontal vibrations of 15 mm with a frequency of 270/min for 5 minutes (instead of 10 minutes). Mesh sizes of 1.18 mm, 2.36 mm and 4 mm are used. For screening granulates, the screening machine runs for 1 minute, and mesh sizes of 1.6 mm, 1.4 mm, 1.2 mm, 1.0 mm, 0.8 mm, 0.5 mm, 0.25 mm and 0 mm are used.
- a size distribution is to be determined with a higher accuracy, a stack of several screens can be used. In case the number of screens exceeds the capability of the screening machine, the size distribution can be determined sequentially.
- aromatic plant parts can be used as sources for the aromatic plant parts according to the invention. Spearmint, peppermint, anise, rosemary, wintergreen, ginger, lemon myrtle, lavender, mate, avocado, ground coffee beans have already been mentioned above. Depending on the plant species, the appropriate plant parts may derive from leaves, blossoms, fruits, roots, bark, etc. Mixtures of aromatic plant parts from different species are conceivable as well.
- Table 1 includes a plurality of plant species which may be particularly useful for the purposes of the invention: Table 1 Examples for plant species as source for aromatic plant parts English Name Latin Name Anise Pimpinella anisum Apple Malus sylvestris Avocado Persea americana Bearberry Arctostaphylos uva ursi Black current (folia) Ribes nigrum Cinnamon (cortex) Cinnamomum spec.
- Coltsfoot Tussilago farfara Damask rose (flores) Rosa centifolia Damiana leaves (folia) Turnera diffusa Dandelion blooms Taraxacum officinalis Elder (flores) Sambucus nigra Eucalyptus Eucalyptus globulus German chamomile (flores) Matricaria chamomilla Ginger Zingiber officinale Gingko biloba Gingko biloba Hazelnut Corylus avellana Honeysuckle Lonicera spec.
- Hop blooms (glandulae) Humulus lupulus Jasmine (flores) Jasminum officinale Lady's mantle Alchemilla vulgaris Lavender (flores) Lavandula officinalis Lemon myrtle Backhousia citriodora Marshmallow herb (folia) Althaeae officinalis Maté (folia) Ilex paraguariensis Melissa (folia) Melissa officinalis Mint leaves Mentha crispata Mullein (folia) Verbascum densiflorum Orange blossom (flores) Citrus aurantium Papaya Carica papaya Passionflower (herba) Passiflora incarnata Peppermint Mentha piperita Red clover (flores) Trifolium pratense Red willow Cornus amomum Robinia blossom (flores) Robinia pseudoacacia Rose petals Rosa spec.
- Spearmint (Mentha spicata) contains some (but not much) menthol, as well as carvone, pulegone, limonene and esters.
- the size distribution of the leaves of two different samples of spearmint leaves was determined by means of the screening method described above, using mesh sizes of 1.18 mm, 2.36 mm and 4 mm.
- the first sample about 2.6% by weight of the leaves did not pass the 4 mm mesh screen, about 27.3% by weight did not pass the 2.36 mm mesh screen, about 57.2% by weight did not pass the 1.18 mm mesh screen, and about 12.9% by weight passed the 1.18 mm mesh screen, the peak size being slightly more than 1.18 mm.
- the corresponding numbers were 10.2%, 63.1%, 24.8% and 2.0%, respectively, and the peak was at a leaf size of about 2 mm.
- Peppermint (Mentha piperita) contains menthol, menthone, cineol, tanning agents and flavonoids.
- Table 2 presents the fraction of the total sample of 402.34 g retained by a screen of a given mesh size (mesh sizes of 1.6 mm, 1.4 mm, 1.2 mm, 1.0 mm, 0.8 mm, 0.5 mm, 0.25 mm and 0 mm).
- Table 2 shows that essentially all of the granules have a size in the range of from 0.25 mm to 1.2 mm. The contribution of the particles passing the 0.25 mm mesh (dust) is negligible. The distribution peaks at about 0.5 mm.
- Example 3 two other samples of spearmint and peppermint were investigated. In both samples, the aromatic plant parts had a granular form. After equilibration at 22°C and 60% relative humidity, the spearmint sample had a relative moisture of 7.5% and the peppermint sample of 8.5%.
- Table 3 Size distributions in a sample of granulated spearmint and in a sample of granulated peppermint Mesh size [mm] Spearmint Fraction [%] Peppermint Fraction [%] 1.6 0.04 0.02 1.4 0.02 0.08 1.2 0.12 0.28 1.0 10.00 15.56 0.8 43.78 39.94 0.5 43.69 41.06 0.25 2.31 3.04 0 0.04 0.04 100.00 100.00
- the granules essentially have sizes in the range of from 0.25 mm to 1.2 mm, peaking somewhere between 0.5 mm and 0.8 mm.
- Example 4 one of the spearmint samples of Example 1 (that with the peak size of about 2 mm) was used to prepare virtually homogeneous mixtures of spearmint leaves and American blend tobacco. From mixtures containing 2%, 5%, 10% and 20% spearmint by weight (related to the total weight of spearmint and tobacco; designated by MS1, MS2, MS3, and MS4, respectively), filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 21 mm length and a tobacco/spearmint rod of 62 mm length were made. Some constituents of the tobacco/spearmint mixtures were analyzed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples MS1, MS2, MS3, and MS4 as well as for a control sample CS (American blend tobacco without spearmint) are summarised in Table 4. The abbreviations used in Table 4 are explained at the end of Table 5 below.
- Table 4 Data for cigarettes made from mixtures of American blend tobacco and spearmint Sample CS MS1 MS2 MS3 MS4 Physical Data Units Blend AB AB + 2% mint AB + 5% mint AB + 10% mint AB + 20% mint Format mm 7.8 x (62+21) 7.8x (62+21) 7.8 x (62+21) 7.8 x (62+21) 7.8x (62+21) Cigarette weight mg 844 845 847 842 825 Oven Horo moisture % 12.0 12.1 11.9 11.7 11.4 Diameter mm 7.80 7.80 7.82 7.83 7.83 Pressure drop filter mmWG 67.9 67.9 68.5 68.9 67.9 Pressure drop open Pdo* mmWG 82 80 79 81 82 Press.
- Example 5 Mixture of tobacco and black tea
- Example 5 virtually homogeneous mixtures of American blend tobacco and black tea (loose leaves) were prepared. From mixtures containing 2%, 5%, 10% and 20% black tea by weight (related to the total weight of black tea and tobacco; designated by TS1, TS2, TS3, and TS4, respectively), filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 21 mm length and a tobacco/black tea rod of 62 mm length were made. Some constituents of the tobacco/black tea mixtures were analyzed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples TS1, TS2, TS3, and TS4 as well as for a control sample CS (American blend tobacco without black tea) are summarised in Table 5. The abbreviations used in Table 5 are explained at the end of the table.
- Table 5 shows that the tobacco nicotine (i.e. the relative amount of nicotine in the mixture of tobacco and black tea) decreases with increasing amount of black tea in the mixture.
- Table 6 shows, for both mixtures MS1 and MS3, averages of the absolute amounts of the spearmint aroma constituents before storage and of the relative losses (related to the initial amounts) after six months of storage.
- Table 6 Aroma constituents in cigarettes containing American blend tobacco and spearmint according to Example 4, initially and relative loss after 6 months of storage Spearmint constituent Initial amount ⁇ g/Cig. 6 m. refrig. clos. loss% 6 m. room clos. loss% 6 m. room open loss% Initial amount pg/Cig. 6 m. refrig. clos. loss% 6 m. room clos. loss% 6 m. room open loss% MS1 MS3 Pulegone 23.7 16.5 18.3 43.0 150.0 19.2 13.6 41.2 Carvone 103.1 24.8 22.0 31.0 555.6 23.8 18.1 45.6
- Table 6 exhibit the following trends: The relative losses of spearmint constituents from closed boxes stored at room temperature and from closed boxes stored in a refrigerator are similar. In case of opened packs stored at room temperature, the relative losses are significantly higher. For cigarettes with a greater spearmint contribution, the relative losses tend to be somewhat higher. Moreover, migration of the spearmint constituents during the storage period resulted in some aroma accumulation in the cigarette filters (data not shown in Table 6).
- Example 7 Mixture of tobacco and lemon myrtle
- Example 7 lemon myrtle (Backhousia citriodora) was used to prepare virtually homogeneous mixtures of lemon myrtle leaves and American blend tobacco. From mixtures containing 2%, 5%, 10% and 20% lemon myrtle by weight (related to the total weight of lemon myrtle and tobacco), designated by LM1, LM2, LM3 and LM4, respectively, filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 25 mm length and a tobacco/lemon myrtle rod of 58 mm in length were made. Some constituents of the tobacco/lemon myrtle mixtures were analysed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples LM1, LM2, LM3 and LM4 as well as for a control sample CS (American blend tobacco without lemon myrtle) are summarised in Table 7. The abbreviations used in Table 7 are explained at the end of Table 7.
- Example 8 Mixture of tobacco and ginger
- ginger Zingiber officinale was used to prepare virtually homogeneous mixtures of dried ginger rhizome particles and American blend tobacco. From mixtures containing 2%, 5%, and 10% ginger by weight (related to the total weight of ginger and tobacco), designated by G1, G2 and G3, respectively, filter cigarettes of 7.9 mm diameter with a cellulose acetate filter plug of 27 mm length and a tobacco/ginger rod of 56 mm in length were made. Some constituents of the tobacco/ginger mixtures were analysed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples G1, G2 and G3 as well as for a control sample CS (American blend tobacco without ginger) are summarised in Table 8. The abbreviations used in Table 8 are explained at the end of Table 7 above.
- Cigarettes containing 2% and 5% of lavender (Lavandula officinalis) blossoms (related to the total weight of lavender and tobacco) were produced according to Example 4. The cigarettes were smoked by an expert panel to evaluate their taste properties. While the 2%-lavender sample was judged to have a slightly soapy and perfume-like taste, lavender taste was clearly identified in the 5%-sample.
- Both versions were also machine-smoked in an experimental stainless-steel chamber. After smoking was finished, the air in the closed chamber was thoroughly mixed by fans. A trained smell panel was asked to evaluate the smoke in the chamber using a standard questionnaire. It was found that smoke intensity remained unchanged compared to a standard cigarette while the smoke smell was judged to be less intense and more pleasant for the 2%-lavender sample. A similar effect was noted for the 5%-sample, but in contrast to the 2%-sample, a distinct lavender smell was also recognized.
- Example 10 Tobacco/lavender with low-sidestream paper
- Cigarettes containing 2% lavender blossoms were produced according to Examples 4 and 5, but instead of a conventional cigarette paper, a low-sidestream (LSS) cigarette paper was used.
- the paper had a porosity of 6 CU, a base weight of 45 g/m 2 and a filler content of 45% calcite.
- the smoke smell in an experimental chamber was evaluated as in Example 9. The panel found that not only smoke intensity was reduced compared to a conventional cigarette but also the smoke smell was more pleasant and less irritating.
Description
- The invention relates to a tobacco-containing article and to a method of manufacturing a tobacco-containing article.
- Document
US 5,135,010 discloses a composition comprising aromatic plant parts which can be used in a tobacco containing article. - Tobacco-containing articles, like cigarettes, cigarillos, cigars or fine-cut products for self-made cigarettes and snus products, are often aromatised by means of flavourants, as e.g. menthol. Generally, such flavourants provide an intense flavour and are added in relatively small amounts, preferably as a liquid, e.g. during the preparation and saucing of the tobacco.
- A disadvantage of this kind of conventional flavouring is the volatility and tendency to loss of many flavourants.
- It is also known to insert at least one flavour capsule into a tobacco-containing article, which can be broken by the consumer in order to release on demand the flavourant contained in the capsule. In this way, it is possible to use volatile flavourants, but the tobacco-containing article in question is more expensive.
- It is an object of the invention to provide a tobacco-containing article which can offer to the consumer new taste and flavour experiences but, nevertheless, involves moderate manufacturing expenses only.
- This object is achieved by a tobacco-containing article having the features of claim 1. Claim 16 relates to a method of manufacturing such a tobacco-containing article. Advantageous versions of the invention follow from the dependant claims.
- The tobacco-containing article according to the invention comprises tobacco and aromatic plant parts which do not derive from the tobacco plant. The amount of the aromatic plant parts is in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts.
- In advantageous embodiments of the invention, the aromatic plant parts have a size in the range of from 0.1 mm to 10 mm or in the range of from 0.2 mm to 6 mm. The size of the aromatic plant parts is defined by a screening method, which is described in detail further below. Shortly, the aromatic plant parts are submitted to a series of vibrating screens according to DIN ISO 3310-1 having generally square meshes of decreasing sizes. If the aromatic plant parts have a size in a given range, virtually all of them will pass a screen having the upper limit of the range as the nominal mesh size, whereas the aromatic plant parts will not pass a screen having the lower limit of the range as the nominal mesh size. Aromatic plant parts passing a mesh diagonally may have a greater length than the nominal mesh size, but they are included by definition. On the other hand, the material used for the aromatic plant parts may include some dust which even passes the smallest mesh size. This dust, by definition, is considered as not being a constituent of the aromatic plant parts. Its contribution is generally small. For a given advantageous embodiment, the total size range of the aromatic plant parts is embedded in one of the above ranges, but may have a smaller or even much smaller extension (spread of sizes). All lower limits of greater than 0.1 mm and all upper limits of less than 10 mm of such spread are expressly disclosed herewith.
- The amount of the aromatic plant parts is provided as a weight related to the total weight of the tobacco and the aromatic plant parts. Therefore, any major dependency on the actual moisture of the aromatic plant parts or of the tobacco cancels out. In case the amount of the aromatic plant parts is to be measured with a high precision, the weight ratio shall be determined after equilibration of the aromatic plant parts and of the tobacco for 2 days at 22°C and at a relative humidity of 58-60%.
- The tobacco-containing article according to the invention is an aromatised tobacco product, in which the aromatic plant parts are natural constituents and not artificial or concentrated aromas. This provides for a natural, maybe somewhat subliminal taste experience. The addition of artificial flavours, which otherwise would have to be added as alcoholic extracts, is not required, thus avoiding alcoholic constituents. Generally, the relative amount of the aromatic plant parts is greater than that of a conventional concentrated aroma substance, but not so great as to provide an obtrusive taste.
- Since the aromatic plant parts are relatively large, e.g. in the range of from 0.1 mm to 10 mm or from 0.2 mm to 6 mm, they generally contain material in addition to any flavourants, e.g. in a plant cell structure, which is able to keep the flavourants and to reduce flavour loosening effects. This may result in a slightly increased flavour shelf life of the respective tobacco-containing article, compared to a conventional tobacco-containing article treated with a liquid aroma concentrate.
- Due to the presence of a significant amount of aromatic plant parts in addition to the tobacco, the relative amount of tobacco is smaller than in a conventional tobacco product. In a cigarette, cigarillo or cigar, this results in a dilution effect regarding tobacco nicotine and other constituents as, e.g., ammonia or nitrate. Examples are provided further below. When the pH is increased because of the aromatic plant parts, the taste is generally stronger, although less nicotine is present.
- The aroma of the side-stream smoke of, e.g., a cigarette can also be positively influenced and optimised, depending on the selection of the aromatic plant parts.
- The visual appearance of the aromatic plant parts, which in many applications are leaves or leaf parts, implies a natural product and a natural aromatisation. The tobacco-containing article in question can generate a pleasant smell, even before consumption.
- In advantageous embodiments of the tobacco-containing article according to the invention, the aromatic plant parts comprise, e.g., spearmint, peppermint, anise, rosemary, wintergreen, ginger, lemon myrtle, lavender, mate, avocado, ground coffee beans, or any mixtures thereof. For example, spearmint or peppermint causes a pleasant aroma. A detailed (but not exclusive) list of plants delivering suitable aromatic plant parts is given further below.
- In the tobacco-containing article, at least part of the tobacco and of the aromatic plant parts can be included in a combined mixture. That means, e.g. cut tobacco parts and aromatic plant parts (e.g., in the size range of from 0.2 mm to 6 mm or of from 0.1 mm to 10 mm) are mixed together to form a combined and preferably generally homogeneous mixture.
- It is also possible that at least part of the tobacco comprises reconstituted tobacco. Sheets of reconstituted tobacco can be cut to form cut reconstituted tobacco, which can be mixed, e.g., with aromatic plant parts and also with natural cut tobacco.
- Moreover, it is conceivable to make a reconstituted product from aromatic plant parts, e.g. in a way similar to one of the known processes of manufacturing reconstituted tobacco, so that at least part of the aromatic plant parts in the tobacco-containing article comprises a reconstituted product. A sheet of this reconstituted product can be cut to the desired size of the aromatic plant parts, e.g., in the range of from 0.2 mm to 6 mm or of from 0.1 mm to 10 mm.
- In another embodiment, a reconstituted product is used which contains a mixture of tobacco parts and of aromatic plant parts. Such reconstituted product can also be produced in a manner analogous to conventional reconstituted tobacco. In this way, at least part of the tobacco and at least part of the aromatic plant parts are included in a combined reconstituted product, which can be cut to the desired size.
- In an advantageous embodiment of the invention, at least part of the aromatic plant parts is provided in the form of granules, preferably of a size in the range of from 0.2 mm to 5 mm or from 0.5 mm to 2.5 mm. Such granules can be made of pressed aromatic plant parts and optionally additional water, without further additives. Granules comprising aromatic plant parts as well as tobacco are also conceivable.
- In another advantageous embodiment of the invention, the tobacco-containing article includes a cut top-loaded sheet product, in which a base layer comprises or is made of reconstituted tobacco, wherein the base layer is provided on one side with aromatic plant parts.
WO 03/082030 A - It is also conceivable that the tobacco-containing article includes a cut top-loaded sheet product, in which a base layer comprises reconstituted aromatic plant parts, wherein the base layer is provided on one side with aromatic plant parts. This cut top-loaded sheet product constitutes at least part of the aromatic plant parts. It can be mixed with tobacco and/or reconstituted tobacco and optionally with additional aromatic plant parts.
- If the aromatic plant parts are included in a reconstituted sheet product, the size of the aromatic plant parts in the range of from 0.1 mm to 10 mm or of from 0.2 mm to 6 mm is to be understood as the size of the aromatic plant part pieces used in the manufacturing process of the reconstituted sheet product. A reconstituted product is produced as generally known in the art.
- In case the amount of natural aromas present in the aromatic plant parts is not sufficient for a specific design of a tobacco-containing article, at least one flavourant in addition to the aromatic plant parts can be added, preferably as a liquid. An example is the addition of menthol to achieve a super-aromatisation.
- Typically, the aromatic plant parts can have a moisture of from 5% to 35%, preferably of from 5% to 20% or of from 7% to 12%, related to the total of the dry weight of the respective aromatic plant parts plus the moisture. After admixture to tobacco, moisture generally equilibrates between the aromatic plant parts and the tobacco, e.g. within a closed packaging.
- Cigarettes typically have a moisture of from 7% to 14%. Snus typically has a moisture in the order of 35%.
- Concerning the tobacco in the tobacco-containing article, all kinds of conventional tobaccos and tobacco blends, optionally including reconstituted tobacco, can be used. Examples are an American blend or a Virginia blend.
- The tobacco-containing article according to the invention is provided as a cigarette, e.g., as a full-flavour cigarette having a tar level depending on regulatory ceilings, as a light cigarette having a tar level of up to 7 mg or as an ultralight cigarette having a tar level of up to 2 mg, or as a cigarillo or as a cigar. In such embodiments, the tobacco and the aromatic plant parts are contained in the rod of the cigarette, cigarillo or cigar, respectively. This does not exclude, however, that a filter also includes tobacco and/or aromatic plant parts.
- In different embodiments of the invention, the tobacco-containing article is provided in the form of pipe tobacco or in the form of fine-cut for self-made cigarettes, packaged in a suitable enclosure. Self-made cigarettes are known as "RYO" (roll-your-own), which means that the consumer takes a portion of fine-cut comprising tobacco and aromatic plant parts from a package, puts it on a cigarette paper (optionally with an additional filter), rolls the cigarette paper about the fine-cut and glues the seam of the cigarette paper. Another type of self-made cigarettes is "MYO" (make-your-own), wherein fine-cut is taken from a package and filled into some apparatus which, upon operation by the consumer, automatically or semiautomatically forms a finished smoking article.
- If the tobacco-containing article is provided as a cigarette, cigarillo or cigar and comprises a rod, e.g. the rod of a cigarette, the rod (which comprises tobacco and aromatic plant parts) can be wrapped by a low-sidestream cigarette paper having a base weight in the range of from 35 g/m2 to 60 g/m2, having a porosity of less than 15 CU and including a filler. The filler comprises CaCO3 of at least 30% and/or MgO of at least 3% and/or Mg(OH)2 of at least 3%, the percentages being percent per weight of the respective compound, related to the total weight of the low-sidestream cigarette paper. 1 CU = 1 Coresta unit = 1 ml/(cm2·min·kPa).
- The tobacco-containing article could also be provided in the form of snus, a product consumed by placing it under the lip for some period of time. Preferably, the snus comprising tobacco and aromatic plant parts is prepared in a grinded and sieved form. The snus parts can have a size range of, e.g., from 0.1 mm to 1.5 mm or from 0.1 mm to 0.8 mm.
- In many applications, including embodiments already explained above, the tobacco-containing article comprises cut tobacco and/or cut sheet products. Generally, the cut width of the tobacco or the respective sheet product can be that of cut tobacco in conventional tobacco-containing articles, e.g., 0.2 mm to 0.75 mm for fine cut tobacco, greater than 1.5 mm for pipe tobacco, or 0.6 mm to 0.9 mm for typical cigarettes. Such widths can also be suitable to the aromatic plant parts, when used in cut leaf form or cut sheet form.
- In an advantageous method of manufacturing a tobacco-containing article according to the invention, after cutting tobacco, aromatic plant parts, which do not derive from the tobacco plant and which have a size in the desired range, e.g., in the range of from 0.1 mm to 10 mm or in the range of from 0.2 mm to 6 mm, are added to the tobacco in an amount in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts.
- That means that the tobacco or at least part of the tobacco is cut independently of the aromatic plant parts. Generally, it is conceivable that uncut, large aromatic plant parts are already added to tobacco parts like leaves, ribs or stems or to a reconstituted tobacco sheet before the cutting step is performed. It is advantageous, however, when the aromatic plant parts are admixed relatively late in the process because they might release a strong aroma which tends to contaminate the manufacturing equipment.
- For example, aromatic plant parts (preferably cut ones) can be added during treatment of the cut tobacco, e.g., during blending or flavouring.
- In the following, the invention is described in more detail, also by means of examples.
- In order to define reproducible sizes of the aromatic plant parts, a screening method is used. This method is performed in analogy to DIN V 10376 of February 2005 ("Analysis of tobacco and tobacco products - Determination of size of the fillers of cigars and cigarillos by means of sieve analysis").
- To this end, the aromatic plant parts to be examined are moisture-conditioned at a relative humidity of (70 ± 2)% and at a temperature of (22 ± 1)°C for 48 h. If the particles were too dry, they would break during sieving, which would deliver erroneous results.
- The moisture-conditioned aromatic plant parts are submitted to a stack of vibrating screens according to DIN ISO 3310-1 having meshes of decreasing sizes. If the aromatic plant parts have a size distribution in a given range, virtually all of them will pass a screen having the upper limit of the range as the nominal mesh size, whereas the aromatic plant parts will not pass a screen having the lower limit of the range as the nominal mesh size. Individual aromatic plant parts passing a mesh diagonally may have a greater length than the nominal mesh size, but they are included by definition. On the other hand, the material used for the aromatic plant parts may include some dust which even passes the smallest mesh size. This dust, by definition, is considered as not being a constituent of the aromatic plant parts. Its contribution is generally small.
- Further details of the method follow from DIN V 10376. As already mentioned, the present screening method is performed in analogy thereto, with the following differences.
- For screening leaves, the screening machine performs horizontal vibrations of 15 mm with a frequency of 270/min for 5 minutes (instead of 10 minutes). Mesh sizes of 1.18 mm, 2.36 mm and 4 mm are used. For screening granulates, the screening machine runs for 1 minute, and mesh sizes of 1.6 mm, 1.4 mm, 1.2 mm, 1.0 mm, 0.8 mm, 0.5 mm, 0.25 mm and 0 mm are used.
- If a size distribution is to be determined with a higher accuracy, a stack of several screens can be used. In case the number of screens exceeds the capability of the screening machine, the size distribution can be determined sequentially.
- Generally, a large variety of plant species can be used as sources for the aromatic plant parts according to the invention. Spearmint, peppermint, anise, rosemary, wintergreen, ginger, lemon myrtle, lavender, mate, avocado, ground coffee beans have already been mentioned above. Depending on the plant species, the appropriate plant parts may derive from leaves, blossoms, fruits, roots, bark, etc. Mixtures of aromatic plant parts from different species are conceivable as well.
- The following Table 1 includes a plurality of plant species which may be particularly useful for the purposes of the invention:
Table 1 Examples for plant species as source for aromatic plant parts English Name Latin Name Anise Pimpinella anisum Apple Malus sylvestris Avocado Persea americana Bearberry Arctostaphylos uva ursi Black current (folia) Ribes nigrum Cinnamon (cortex) Cinnamomum spec. Coltsfoot Tussilago farfara Damask rose (flores) Rosa centifolia Damiana leaves (folia) Turnera diffusa Dandelion blooms Taraxacum officinalis Elder (flores) Sambucus nigra Eucalyptus Eucalyptus globulus German chamomile (flores) Matricaria chamomilla Ginger Zingiber officinale Gingko biloba Gingko biloba Hazelnut Corylus avellana Honeysuckle Lonicera spec. Hop blooms (glandulae) Humulus lupulus Jasmine (flores) Jasminum officinale Lady's mantle Alchemilla vulgaris Lavender (flores) Lavandula officinalis Lemon myrtle Backhousia citriodora Marshmallow herb (folia) Althaeae officinalis Maté (folia) Ilex paraguariensis Melissa (folia) Melissa officinalis Mint leaves Mentha crispata Mullein (folia) Verbascum densiflorum Orange blossom (flores) Citrus aurantium Papaya Carica papaya Passionflower (herba) Passiflora incarnata Peppermint Mentha piperita Red clover (flores) Trifolium pratense Red willow Cornus amomum Robinia blossom (flores) Robinia pseudoacacia Rose petals Rosa spec. Rosemary (folia) Rosmarinus officinalis Sage Salvia officinalis, S. triloba Sculicap Scutellaria spec. Spearmint Mentha spicata Summer savory (herba) Satureja hortensis Teas e.g., from Camellia sinensis Valerian root (radix) Valeriana officinalis Vervain (herba) Verbena odorata Wine leaves Vitis vinifera Wintergreen Gaultheria procumbens Yerba buena Clinopodium douglasii Yerba santa Eriodictyon californica - Spearmint (Mentha spicata) contains some (but not much) menthol, as well as carvone, pulegone, limonene and esters.
- After equilibration at 22°C and 60% relative humidity, a sample of spearmint leaves had a relative moisture of 10.0%. Here and in the following, all relative moisture contents are related to the total of the dry weight (determined after oven treatment at 82°C for 3 h; "Horo" method) and the moisture.
- From this sample, a mixture with American blend tobacco was prepared, which contained 10% by weight of spearmint leaves and 90% by weight of tobacco. After equilibration at 30°C and 75% relative humidity, the mixture had a relative moisture of 18.5%. Under the same equilibration conditions, the pure tobacco had a relative moisture of 19.1% and the pure spearmint sample a relative moisture of 13.7%.
- The size distribution of the leaves of two different samples of spearmint leaves was determined by means of the screening method described above, using mesh sizes of 1.18 mm, 2.36 mm and 4 mm. In the first sample, about 2.6% by weight of the leaves did not pass the 4 mm mesh screen, about 27.3% by weight did not pass the 2.36 mm mesh screen, about 57.2% by weight did not pass the 1.18 mm mesh screen, and about 12.9% by weight passed the 1.18 mm mesh screen, the peak size being slightly more than 1.18 mm. In the second sample, the corresponding numbers were 10.2%, 63.1%, 24.8% and 2.0%, respectively, and the peak was at a leaf size of about 2 mm.
- Peppermint (Mentha piperita) contains menthol, menthone, cineol, tanning agents and flavonoids.
- A sample of granulated peppermint, after equilibration at 22°C and 60% relative humidity, had a relative moisture of 8.6%.
- The size distribution of the granules of this sample was determined by the screening method described above. Table 2 presents the fraction of the total sample of 402.34 g retained by a screen of a given mesh size (mesh sizes of 1.6 mm, 1.4 mm, 1.2 mm, 1.0 mm, 0.8 mm, 0.5 mm, 0.25 mm and 0 mm).
Table 2 Size distribution in a sample of granulated peppermint Mesh size [mm] Retained mass [g] Fraction [%] 1.6 0.05 0.01 1.4 0.35 0.09 1.2 19.79 4.92 1.0 67.75 16.84 0.8 98.50 24.48 0.5 163.15 40.55 0.25 51.20 12.73 0 1.55 0.39 402.34 100.00 - Table 2 shows that essentially all of the granules have a size in the range of from 0.25 mm to 1.2 mm. The contribution of the particles passing the 0.25 mm mesh (dust) is negligible. The distribution peaks at about 0.5 mm.
- As Example 3, two other samples of spearmint and peppermint were investigated. In both samples, the aromatic plant parts had a granular form. After equilibration at 22°C and 60% relative humidity, the spearmint sample had a relative moisture of 7.5% and the peppermint sample of 8.5%.
- The size distributions of the granules, obtained as described above, are shown in Table 3.
Table 3 Size distributions in a sample of granulated spearmint and in a sample of granulated peppermint Mesh size [mm] Spearmint Fraction [%] Peppermint Fraction [%] 1.6 0.04 0.02 1.4 0.02 0.08 1.2 0.12 0.28 1.0 10.00 15.56 0.8 43.78 39.94 0.5 43.69 41.06 0.25 2.31 3.04 0 0.04 0.04 100.00 100.00 - In both samples, the granules essentially have sizes in the range of from 0.25 mm to 1.2 mm, peaking somewhere between 0.5 mm and 0.8 mm.
- In Example 4, one of the spearmint samples of Example 1 (that with the peak size of about 2 mm) was used to prepare virtually homogeneous mixtures of spearmint leaves and American blend tobacco. From mixtures containing 2%, 5%, 10% and 20% spearmint by weight (related to the total weight of spearmint and tobacco; designated by MS1, MS2, MS3, and MS4, respectively), filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 21 mm length and a tobacco/spearmint rod of 62 mm length were made. Some constituents of the tobacco/spearmint mixtures were analyzed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples MS1, MS2, MS3, and MS4 as well as for a control sample CS (American blend tobacco without spearmint) are summarised in Table 4. The abbreviations used in Table 4 are explained at the end of Table 5 below.
- It is evident from Table 4 that the tobacco nicotine (i.e. the relative amount of nicotine in the mixture of tobacco and spearmint) decreases with increasing amount of spearmint in the mixture. There is also the tendency that smoke nicotine decreases when the contribution of spearmint increases.
- Moreover, with increasing amount of spearmint, the hardness of the cigarette decreases somewhat (not shown in Table 4).
Table 4 Data for cigarettes made from mixtures of American blend tobacco and spearmint Sample CS MS1 MS2 MS3 MS4 Physical Data Units Blend AB AB + 2% mint AB + 5% mint AB + 10% mint AB + 20% mint Format mm 7.8 x (62+21) 7.8x (62+21) 7.8 x (62+21) 7.8 x (62+21) 7.8x (62+21) Cigarette weight mg 844 845 847 842 825 Oven Horo moisture % 12.0 12.1 11.9 11.7 11.4 Diameter mm 7.80 7.80 7.82 7.83 7.83 Pressure drop filter mmWG 67.9 67.9 68.5 68.9 67.9 Pressure drop open Pdo* mmWG 82 80 79 81 82 Press. drop closed Pdc** mmWG 129 124 123 126 129 Ventilation % 46.1 46.7 47.0 46.8 46.1 Tobacco Data Units Tobacco nicotine % d.b. 2.30 2.29 2.19 1.98 1.80 Ammonia % d.b. 0.17 0.17 0.17 0.16 0.15 Nitrate % d.b. 1.02 1.09 0.99 0.94 0.92 Chloride % d.b. 0.77 0.81 0.77 0.80 0.77 Sacchrose (HPLC) % d.b. 1.6 1.7 1.7 1.7 1.8 Glucose (HPLC) % d.b. 2.9 2.8 2.6 2.6 2.4 Fructose (HPLC) % d.b. 4.2 4.2 3.9 3.9 3.6 Ash % d.b. 15.6 15.6 15.5 15.5 15.1 Tobacco pH 5.43 5.40 5.47 5.53 5.60 Acid equivalents *** 11.7 11.5 10.9 10.0 9.0 Propylene glycol % d.b. 1.1 1.1 1.1 1.1 0.9 Smoke Data (DIN ISO 4387/A) Units Smoke nicotine mg/Cig. 0.65 0.65 0.64 0.63 0.58 WTPM mg/Cig. 8.0 8.0 8.0 8.1 8.0 NFDPM mg/Cig. 6.5 6.5 6.6 6.8 6.6 Puff number 7.3 7.3 7.3 7.3 7.0 CO mg/Cig. 7.2 6.9 6.9 7.4 7.1 Table 5 Data for cigarettes made from mixtures of American blend tobacco and black tea Sample CS TS1 TS2 TS3 TS4 Physical Data Units Blend AB AB + 2% black tea AB + 5% black tea AB + 10% black tea AB + 20% black tea Format mm 7.8 x (62+21) 7.8 x (62+21) 7.8 x (62+21) 7.8 x (62+21) 7.8 x (62+21) Cigarette weight mg 844 847 846 847 842 Oven Horo moisture % 12.0 11.8 11.7 11.5 10.9 Pressure drop open Pdo* mmWG 82 79 79 78 75 Press. drop closed Pdc** mmWG 129 125 122 119 111 Ventilation % 46.1 47.3 46.7 45.9 44.6 Tobacco Data Units Tobacco nicotine % d.b. 2.30 2.20 2.24 2.11 1.89 Ammonia % d.b. 0.17 0.17 0.16 0.16 0.15 Nitrate % d.b. 1.02 1.02 1.13 0.96 0.95 Chloride % d.b. 0.77 0.76 0.75 0.70 0.68 Sacchrose (HPLC) % d.b. 1.6 1.7 1.7 1.6 1.5 Glucose (HPLC) % d.b. 2.9 2.6 2.6 2.7 2.4 Fructose (HPLC) % d.b. 4.2 3.9 3.9 3.9 3.5 Tobacco pH 5.43 5.47 5.48 5.46 5.45 Acid equivalents *** 11.3 11.3 11.0 11.0 10.5 Propylene glycol % d.b. 1.1 1.1 1.2 1.1 0.9 Smoke Data (DIN ISO 4387/A) Units Smoke nicotine mg/Cig. 0.65 0.63 0.65 0.68 0.70 WTPM mg/Cig. 8.0 8.1 8.2 8.4 9.1 NFDPM mg/Cig. 6.5 6.7 6.8 7.1 7.7 Puff number 7.3 7.2 7.3 7.4 7.6 CO mg/Cig. 7.2 7.1 6.9 7.0 6.9 -
- CS:
- Control sample
- MS1-MS4:
- Spearmint samples 1-4
- TS1-TS4:
- Black tea samples
- Cigarette format:
- Standard King Size Cigarette with a cigarette paper of 60 Coresta
- *
- Pressure drop measured with open filter wrapper perforation
- **
- Pressure drop measured with closed filter wrapper perforation
- ***
- in mg KOH/g tobacco d.b.
- AB:
- American Blend
- d.b.:
- dry base
- mmWG:
- millimeter Water Gauge (ISO 10185)
- HPLC:
- High Performance Liquid Chromatography
- WTPM:
- Wet Total Particulate Matter (ISO 10185)
- NFDPM:
- Nicotine Free Dry Particulate Matter (ISO 10185)
- Cig.:
- Cigarette
- In Example 5, virtually homogeneous mixtures of American blend tobacco and black tea (loose leaves) were prepared. From mixtures containing 2%, 5%, 10% and 20% black tea by weight (related to the total weight of black tea and tobacco; designated by TS1, TS2, TS3, and TS4, respectively), filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 21 mm length and a tobacco/black tea rod of 62 mm length were made. Some constituents of the tobacco/black tea mixtures were analyzed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples TS1, TS2, TS3, and TS4 as well as for a control sample CS (American blend tobacco without black tea) are summarised in Table 5. The abbreviations used in Table 5 are explained at the end of the table.
- Table 5 shows that the tobacco nicotine (i.e. the relative amount of nicotine in the mixture of tobacco and black tea) decreases with increasing amount of black tea in the mixture.
- The relative losses of flavour constituents from filter cigarettes made from mixtures of American blend tobacco and spearmint according to Example 4 were investigated. To this end, cigarette boxes containing cigarettes comprising the mixtures MS1 and MS3 were stored for six months under different conditions, i.e. as a closed box in a refrigerator, as a closed box at room temperature and as an opened box at room temperature. Spearmint aroma constituents were determined by gas chromatography before and after six months of storage.
- Table 6 shows, for both mixtures MS1 and MS3, averages of the absolute amounts of the spearmint aroma constituents before storage and of the relative losses (related to the initial amounts) after six months of storage.
Table 6 Aroma constituents in cigarettes containing American blend tobacco and spearmint according to Example 4, initially and relative loss after 6 months of storage Spearmint constituent Initial amount µg/Cig. 6 m. refrig. clos. loss% 6 m. room clos. loss% 6 m. room open loss% Initial amount pg/Cig. 6 m. refrig. clos. loss% 6 m. room clos. loss% 6 m. room open loss% MS1 MS3 Pulegone 23.7 16.5 18.3 43.0 150.0 19.2 13.6 41.2 Carvone 103.1 24.8 22.0 31.0 555.6 23.8 18.1 45.6 - The results in Table 6 exhibit the following trends: The relative losses of spearmint constituents from closed boxes stored at room temperature and from closed boxes stored in a refrigerator are similar. In case of opened packs stored at room temperature, the relative losses are significantly higher. For cigarettes with a greater spearmint contribution, the relative losses tend to be somewhat higher. Moreover, migration of the spearmint constituents during the storage period resulted in some aroma accumulation in the cigarette filters (data not shown in Table 6).
- In Example 7, lemon myrtle (Backhousia citriodora) was used to prepare virtually homogeneous mixtures of lemon myrtle leaves and American blend tobacco. From mixtures containing 2%, 5%, 10% and 20% lemon myrtle by weight (related to the total weight of lemon myrtle and tobacco), designated by LM1, LM2, LM3 and LM4, respectively, filter cigarettes of 7.8 mm diameter with a cellulose acetate filter plug of 25 mm length and a tobacco/lemon myrtle rod of 58 mm in length were made. Some constituents of the tobacco/lemon myrtle mixtures were analysed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples LM1, LM2, LM3 and LM4 as well as for a control sample CS (American blend tobacco without lemon myrtle) are summarised in Table 7. The abbreviations used in Table 7 are explained at the end of Table 7.
- It is evident from Table 7 that the tobacco nicotine (i.e. the relative amount of nicotine in the mixture of tobacco and lemon myrtle) decreases with increasing amount of lemon myrtle in the mixture. Any decrease of smoke nicotine was not observed.
Table 7 Data for cigarettes made from mixtures of American blend tobacco and lemon myrtle Sample CS LM1 LM2 LM3 LM4 Physical Data Units Blend AB AB + 2%LM AB + 5%LM AB + 10%LM AB + 20%LM Format mm 7.8 x (58+25) 7.8 x (58+25) 7.8 x (58+25) 7.8 x (58+25) 7.8 x (58+25) Cigarette weight mg 823 832 838 855 853 Oven Horo moisture % 11.5 10.8 11.1 11.0 10.3 Pressure drop open Pdo* mmWG 71 73 74 72 68 Pressure drop closed Pdc** mmWG 118 121 121 119 110 Ventilation % 51.7 50.6 50.2 51.5 51.4 Tobacco Data Units Tobacco nicotine % d.b. 2.33 2.28 2.07 1.95 1.75 Ammonia % d.b. 0.16 0.16 0.15 0.14 0.13 Nitrate % d.b. 1.04 1.00 1.04 1.00 0.85 Chloride % d.b. 0.93 0.90 0.96 0.93 0.89 Sacchrose (HPLC) % d.b. 1.4 1.4 1.4 1.4 1.4 Glucose (HPLC) % d.b. 2.1 2.0 2.0 1.9 1.9 Fructose (HPLC) % d.b. 3.0 3.0 3.1 2.9 3.1 Tobacco pH 5.54 5.56 5.59 5.57 5.54 Acid equivalents *** 11.0 10.6 10.1 9.8 9.4 Propylene Glycol % d.b. 1.2 1.2 1.2 1.2 1.1 Smoke Data (DIN ISO 4387/A) Smoke nicotine mg/Cig. 0.48 0.52 0.53 0.54 0.54 WTPM mg/Cig. 6.5 6.9 7.1 7.2 7.7 NFDPM mg/Cig. 5.3 5.9 6.0 6.2 6.6 Puff Number 6.1 6.3 6.6 6.7 6.8 CO mg/Cig. 5.3 5.7 5.8 5.9 6.2 -
- CS:
- Control Sample
- LM1-LM4:
- Lemon Myrtle samples 1-4
- G1-G3:
- Ginger samples 1-3
- *
- Pressure drop measured with open filter wrapper perforation
- **
- Pressure drop measured with closed filter wrapper perforation
- ***
- in mg KOH/g tobacco d.b.
- AB:
- American Blend
- d.b.:
- dry base
- mmWG:
- millimeter Water Gauge (ISO 10185)
- HPLC:
- High Performance Liquid Chromatography
- WTPM:
- Wet Total Particulate Matter (ISO 10185)
- NFDPM:
- Nicotine Free Dry Particulate Matter (ISO 10185)
- Cig.:
- Cigarette
- In Example 8, ginger (Zingiber officinale) was used to prepare virtually homogeneous mixtures of dried ginger rhizome particles and American blend tobacco. From mixtures containing 2%, 5%, and 10% ginger by weight (related to the total weight of ginger and tobacco), designated by G1, G2 and G3, respectively, filter cigarettes of 7.9 mm diameter with a cellulose acetate filter plug of 27 mm length and a tobacco/ginger rod of 56 mm in length were made. Some constituents of the tobacco/ginger mixtures were analysed. Moreover, properties of the cigarettes including smoke data (according to DIN ISO 4387/A) were measured. The results for the samples G1, G2 and G3 as well as for a control sample CS (American blend tobacco without ginger) are summarised in Table 8. The abbreviations used in Table 8 are explained at the end of Table 7 above.
- It is evident from Table 8 that the tobacco nicotine (i.e. the relative amount of nicotine in the mixture of tobacco and ginger) decreases with increasing amount of ginger in the mixture. Any decrease of smoke nicotine was not observed.
Table 8 Data for cigarettes made from mixtures of American blend tobacco and ginger Sample CS G1 G2 G3 Physical Data Units Blend AB AB + 2% Ginger AB+5% Ginger AB+10% Ginger Fomat mm 7.9 x (56+27) 7.9 x (56+27) 7.9 x (56+27) 7.9 x (56+27) Cgarette weight mg 907 858 842 905 Pessure drop closed Pdc** mmWG 169 165 158 172 Ventilation % 0.0 0.0 0.0 0.0 Tobacco Data Units Tobacco nicotine % d.b. 2.36 2.23 2.08 2.05 Ammonia % d.b. 0.18 0.17 0.17 0.16 Nitrate % d.b. 1.05 1.00 0.97 0.95 Chloride % d.b. 0.95 0.86 0.79 0.86 Sacchrose (HPLC) % d.b. 1.6 1.6 1.1 1.7 Glucose (HPLC) % d.b. 2.0 2.0 1.9 2.0 Fructose (HPLC) % d.b. 3.0 3.0 3.0 3.0 Tobacco pH 5.58 5.59 5.53 5.60 Acid equivalents *** 10.7 10.6 10.9 10.0 Propylene Glycol % d.b. 1.2 1.2 0.7 1.1 Smoke Data DIN ISO 4387/A Smoke nicotine mg/Cig. 0.62 0.62 0.60 0.67 WTPM: mg/Cig. 10.1 10.2 10.0 10.8 NFDPM mg/Cig. 8.1 8.4 8.2 8.8 Puff Number 5.9 6.1 5.9 6.8 CO mg/Cig. 11.7 12.3 12.1 12.5 - Cigarettes containing 2% and 5% of lavender (Lavandula officinalis) blossoms (related to the total weight of lavender and tobacco) were produced according to Example 4. The cigarettes were smoked by an expert panel to evaluate their taste properties. While the 2%-lavender sample was judged to have a slightly soapy and perfume-like taste, lavender taste was clearly identified in the 5%-sample.
- Both versions were also machine-smoked in an experimental stainless-steel chamber. After smoking was finished, the air in the closed chamber was thoroughly mixed by fans. A trained smell panel was asked to evaluate the smoke in the chamber using a standard questionnaire. It was found that smoke intensity remained unchanged compared to a standard cigarette while the smoke smell was judged to be less intense and more pleasant for the 2%-lavender sample. A similar effect was noted for the 5%-sample, but in contrast to the 2%-sample, a distinct lavender smell was also recognized.
- Cigarettes containing 2% lavender blossoms (related to the total weight of lavender and tobacco) were produced according to Examples 4 and 5, but instead of a conventional cigarette paper, a low-sidestream (LSS) cigarette paper was used. The paper had a porosity of 6 CU, a base weight of 45 g/m2 and a filler content of 45% calcite. 1 CU = 1 Coresta unit = 1 ml/(cm2·min·kPa).
- The smoke smell in an experimental chamber was evaluated as in Example 9. The panel found that not only smoke intensity was reduced compared to a conventional cigarette but also the smoke smell was more pleasant and less irritating.
Claims (17)
- Tobacco-containing article, comprising- tobacco and- aromatic plant parts, which do not derive from the tobacco plant,- wherein the amount of the aromatic plant parts is in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts, and- wherein the tobacco-containing article is provided as one of the following tobacco-containing articles: a cigarette, a cigarillo, a cigar, pipe tobacco, fine-cut for self-made cigarettes,characterised in that the aromatic plant parts comprise at least one of the substances selected from the following list: spearmint, peppermint, anise, rosemary, wintergreen, avocado, ground coffee beans, lavender, mate, ginger, lemon myrtle.
- Tobacco-containing article according to claim 1, characterised in that the aromatic plant parts have a size, defined by a screening method, in the range of from 0.1 mm to 10 mm.
- Tobacco-containing article according to claim 2, characterised in that the aromatic plant parts have a size in the range of from 0.2 mm to 6 mm.
- Tobacco-containing article according to anyone of claims 1 to 3, characterised in that at least part of the tobacco and of the aromatic plant parts are included in a combined mixture.
- Tobacco-containing article according to anyone of claims 1 to 4, characterised in that at least part of the tobacco comprises reconstituted tobacco.
- Tobacco-containing article according to anyone of claims 1 to 5, characterised in that at least part of the aromatic plant parts comprises a reconstituted product.
- Tobacco-containing article according to anyone of claims 1 to 4, characterised in that at least part of the tobacco and of the aromatic plant parts are included in a combined reconstituted product.
- Tobacco-containing article according to anyone of claims 1 to 7, characterised in that at least part of the aromatic plant parts is provided in the form of granules, preferably of a size in the range of from 0.2 mm to 5 mm or from 0.5 mm to 2.5 mm.
- Tobacco-containing article according to claim 8, characterised in that at least part of the granules consists of pressed aromatic plant parts and optionally additional water, without further additives.
- Tobacco-containing article according to anyone of claims 1 to 9, characterised by a cut top-loaded sheet product, in which a base layer comprises reconstituted tobacco, wherein the base layer is provided on one side with aromatic plant parts.
- Tobacco-containing article according to anyone of claims 1 to 10, characterised by a cut top-loaded sheet product, in which a base layer comprises reconstituted aromatic plant parts, wherein the base layer is provided on one side with aromatic plant parts.
- Tobacco-containing article according to anyone of claims 1 to 11, characterised by at least one flavourant in addition to the aromatic plant parts, preferably added as a liquid.
- Tobacco-containing article according to anyone of claims 1 to 12, characterised in that the tobacco comprises an American blend or a Virginia blend.
- Tobacco-containing article according to anyone of claims 1 to 13, characterised in that the aromatic plant parts have a moisture of from 5% to 35%, preferably of from 5% to 20% or from 7% to 12%, related to the dry weight of the respective aromatic plant parts plus the moisture.
- Tobacco-containing article according to anyone of claims 1 to 14, characterised in that the tobacco-containing article comprises a rod, which is wrapped by a low-sidestream cigarette paper having a base weight in the range of from 35 g/m2 to 60 g/m2, having a porosity of less than 15 CU and comprising a filler, wherein the filler comprises at least one of the compounds selected from the following list: CaCO3 of at least 30%, MgO of at least 3%, Mg(OH)2 of at least 3%, the percentages being percent per weight of the respective compound, related to the total weight of the low-sidestream cigarette paper.
- Method of manufacturing a tobacco-containing article according to claim 1, wherein, after cutting tobacco, aromatic plant parts, which do not derive from the tobacco plant and which, preferably, have a size defined by a screening method in the range of from 0.1 mm to 10 mm or in the range of from 0.2 mm to 6 mm, are added to the tobacco in an amount in the range of from 0.5% by weight to 25% by weight, related to the total weight of the tobacco and the aromatic plant parts, wherein the aromatic plant parts comprise at least one of the substances selected from the following list: spearmint, peppermint, anise, rosemary, wintergreen, avocado, ground coffee beans, lavender, mate, ginger, lemon myrtle.
- Method according to claim 16, characterised in that aromatic plant parts are added during treatment of the cut tobacco.
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JP6371927B1 (en) * | 2018-02-23 | 2018-08-08 | 株式会社 東亜産業 | Non-tobacco plant composition manufacturing method, electronic cigarette packing manufacturing method, electronic cigarette packing, and electronic cigarette cartridge using the same |
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-
2011
- 2011-12-21 EP EP11010068.2A patent/EP2606751A1/en not_active Withdrawn
-
2012
- 2012-12-17 ES ES12805599.3T patent/ES2610212T3/en active Active
- 2012-12-17 PL PL12805599T patent/PL2793623T3/en unknown
- 2012-12-17 AU AU2012359201A patent/AU2012359201B2/en active Active
- 2012-12-17 EP EP12805599.3A patent/EP2793623B1/en active Active
- 2012-12-17 WO PCT/EP2012/005252 patent/WO2013091844A1/en active Application Filing
- 2012-12-17 RU RU2014129553/12A patent/RU2604460C2/en active
- 2012-12-17 UA UAA201407995A patent/UA114307C2/en unknown
- 2012-12-17 JP JP2014547760A patent/JP2015502161A/en active Pending
- 2012-12-20 TW TW101148665A patent/TWI578920B/en active
-
2014
- 2014-05-28 TN TNP2014000231A patent/TN2014000231A1/en unknown
- 2014-07-07 MA MA37182A patent/MA35848B1/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4048095B1 (en) * | 2019-10-21 | 2023-11-29 | Philip Morris Products S.A. | Novel aerosol-generating substrate comprising zingiber species |
Also Published As
Publication number | Publication date |
---|---|
NZ625665A (en) | 2015-11-27 |
PL2793623T3 (en) | 2017-06-30 |
TW201332459A (en) | 2013-08-16 |
ES2610212T3 (en) | 2017-04-26 |
RU2604460C2 (en) | 2016-12-10 |
AU2012359201A1 (en) | 2014-06-19 |
AU2012359201B2 (en) | 2015-09-17 |
EP2606751A1 (en) | 2013-06-26 |
MA35848B1 (en) | 2014-12-01 |
TWI578920B (en) | 2017-04-21 |
EP2793623A1 (en) | 2014-10-29 |
WO2013091844A1 (en) | 2013-06-27 |
TN2014000231A1 (en) | 2015-09-30 |
UA114307C2 (en) | 2017-05-25 |
RU2014129553A (en) | 2016-02-10 |
JP2015502161A (en) | 2015-01-22 |
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