EP4331389A1 - Tobacco sheet for non-combustion heating-type fragrance inhaler and method for manufacturing same, non-combustion heating-type fragrance inhaler, and non-combustion heating-type fragrance inhaling system - Google Patents
Tobacco sheet for non-combustion heating-type fragrance inhaler and method for manufacturing same, non-combustion heating-type fragrance inhaler, and non-combustion heating-type fragrance inhaling system Download PDFInfo
- Publication number
- EP4331389A1 EP4331389A1 EP22795799.0A EP22795799A EP4331389A1 EP 4331389 A1 EP4331389 A1 EP 4331389A1 EP 22795799 A EP22795799 A EP 22795799A EP 4331389 A1 EP4331389 A1 EP 4331389A1
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- EP
- European Patent Office
- Prior art keywords
- tobacco
- sheet
- combustion heating
- mass
- tobacco sheet
- 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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Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- 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
-
- 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
-
- 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
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- 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
- A24B15/36—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring
- A24B15/40—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms
- A24B15/403—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms
- A24B15/406—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms in a five-membered ring
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- 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
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/23—Lignins
Definitions
- the present invention relates to a tobacco sheet for a non-combustion heating-type flavor inhaler, a method for manufacturing the same, a non-combustion heating-type flavor inhaler, and a non-combustion heating-type flavor inhalation system.
- Patent Literature 1 discloses a tobacco sheet used in a combustion-type flavor inhaler.
- a non-combustion heating-type flavor inhaler configured to deliver flavor by heating a flavor source, such as a tobacco sheet, instead of combustion thereof, has been reported.
- the heating temperature of the non-combustion heating-type flavor inhaler is lower than the combustion temperature of the combustion-type flavor inhaler, and is, for example, about 400°C or lower.
- the heating temperature of the non-combustion heating-type flavor inhaler is low, thus, an aerosol-generating agent can be added to the flavor source in the non-combustion heating-type flavor inhaler from the viewpoint of increasing the amount of smoke.
- the aerosol-generating agent is vaporized by heating to generate aerosol.
- the aerosol is supplied to a user along with a flavor component, such as a tobacco component, so that the user can obtain sufficient flavor.
- the non-combustion heating-type flavor inhaler can include, for example, a tobacco-containing segment filled with a tobacco sheet or the like, a cooling segment, and a filter segment.
- the length of the tobacco-containing segment of the non-combustion heating-type flavor inhaler in the axial direction is usually shorter than the length of the tobacco-containing segment of the combustion-type flavor inhaler in the axial direction in relation to the heater.
- a large amount of tobacco sheet is filled in the section of the short tobacco-containing segment in order to ensure the amount of aerosol generated during heating.
- a tobacco sheet having a low filling capacity that is, high density
- the filling capacity is a value indicating a volume when a shredded tobacco sheet having a predetermined mass is compressed at a predetermined pressure for a predetermined time.
- the inventors have found that, when considering the heating method, the heating capacity of the heater, and the generation of aerosol, the total heat capacity of the tobacco-containing segment increases when a tobacco sheet having a low filling capacity (high density) is used, and thus the tobacco sheet filled in the tobacco-containing segment does not sufficiently contribute to the generation of aerosol depending on the heating method and the capacity of the heater. To solve the above-described problem, it is conceivable to reduce the total heat capacity of the tobacco-containing segment.
- the inventors have conducted studies on (1) a reduction in the specific heat of the tobacco raw material contained in the tobacco sheet, and (2) the use of a tobacco sheet having a high filling capacity (low density).
- (1) it is difficult to reduce the specific heat of the tobacco raw material itself; thus, it was considered effective to reduce the total heat capacity of the tobacco-containing segment by (2). Therefore, it is desired to develop a high-filling-capacity (low-density) tobacco sheet suitable for a non-combustion heating-type flavor inhaler.
- the present invention aims to provide a high-filling-capacity tobacco sheet for a non-combustion heating-type flavor inhaler, a non-combustion heating-type flavor inhaler containing the tobacco sheet, and a non-combustion heating-type flavor inhalation system.
- the present invention includes the following embodiments.
- a tobacco sheet for a non-combustion heating-type flavor inhaler contains a tobacco raw material, in which a cross-section of the tobacco sheet in the thickness direction has a corrugated shape.
- the tobacco sheet for the non-combustion heating-type flavor inhaler described in the first aspect further contains a fructan.
- the fructan is selected from the group consisting of inulin-type fructans, levan-type fructans, branched fructans, fructo-oligosaccharides, and mixtures thereof.
- the tobacco sheet for the non-combustion heating-type flavor inhaler described in any one of the first to third aspects further contains:
- each of the saturated fatty acid and the ester of the saturated fatty acid is a single compound.
- a tobacco-containing segment contains, as fillers:
- a tobacco-containing segment contains, as fillers:
- a non-combustion heating-type flavor inhaler includes:
- a non-combustion heating-type flavor inhalation system includes:
- a method for manufacturing the tobacco sheet for the non-combustion heating-type flavor inhaler described in any one of the first to third aspects includes the steps of:
- a method for manufacturing the tobacco sheet for the non-combustion heating-type flavor inhaler described in the fourth or fifth aspect includes the steps of:
- the present invention it is possible to provide a high-filling-capacity tobacco sheet for a non-combustion heating-type flavor inhaler, a non-combustion heating-type flavor inhaler containing the tobacco sheet, and a non-combustion heating-type flavor inhalation system.
- a tobacco sheet for a non-combustion heating-type flavor inhaler according to the present embodiment contains a tobacco raw material, in which a cross section of the tobacco sheet in the thickness direction has a corrugated shape.
- the tobacco sheet according to the present embodiment has a corrugated shape in its cross section in the thickness direction and thus is bulky and has a high filling capacity.
- the use of the tobacco sheet according to the present embodiment can reduce the total heat capacity of the tobacco-containing segment to allow the tobacco sheet filled in the tobacco-containing segment to contribute sufficiently to aerosol generation.
- the tobacco sheet according to the present embodiment preferably further contains an aerosol-generating agent and one or two or more types of forming agents. When the mixing ratio of these components is within a predetermined range, the filling capacity of the tobacco sheet is further improved.
- the tobacco sheet according to the present embodiment has a corrugated shape in its cross section in the thickness direction. That is, when the tobacco sheet according to the present embodiment is cut in the thickness direction in one direction of the planar directions, the cross section has a corrugated shape.
- the one direction of the planar directions may be, for example, the longitudinal direction or the lateral direction of the tobacco sheet.
- corrugated shape used here is not particularly limited as long as it has a shape that undulates vertically, and the crests of the waves may be straight or curved.
- the waves may be regular or irregular.
- Fig. 1 illustrates an example of the cross-sectional shape in the thickness direction of the tobacco sheet according to the present embodiment.
- a tobacco sheet 1 illustrated in Fig. 1 has waves 2 in its cross section in the thickness direction.
- the width w1 of each wave 2 is preferably, but not particularly limited to, in the range of 0.1 to 10.0 mm.
- the height w2 of the wave 2 is preferably, but not particularly limited to, in the range of 0.1 to 5.0 mm.
- the thickness w3 of the tobacco sheet 1 is preferably in the range of 100 to 1,000 ⁇ m.
- the wave 2 may have a serrated shape 3.
- the wave 2 has the serrated shape 3.
- the tip ends of the serrated shape can come into contact with each other to form additional voids, resulting in a further improvement in filling capacity.
- the size of the tobacco sheet according to the present embodiment in the planar direction is not particularly limited.
- the tobacco sheet can have a length of 5.0 to 40.0 mm and a width of 0.5 to 2.0 mm.
- a tobacco raw material contained in the tobacco sheet according to the present embodiment is not particularly limited as long as it contains a tobacco component, and examples thereof include a tobacco powder and a tobacco extract.
- examples of the tobacco powder include leaf tobacco, midribs, and residual stems. These may be used alone or in combination of two or more. These can be used as the tobacco powder by shredding them into a predetermined size.
- the 90% cumulative particle size (D90) in the volume-based particle size distribution measured by dry laser diffractometry is preferably 200 ⁇ m or more from the viewpoint of further improving the filling capacity.
- the proportion of the tobacco powder contained in 100% by mass of the tobacco sheet is preferably 45% to 95% by mass, more preferably 50% to 93% by mass, still more preferably 60% to 85% by mass.
- the tobacco extract include a tobacco extract obtained by roughly crushing leaf tobacco, mixing the crushed leaf tobacco with a solvent, such as water, under stirring to extract a water-soluble component from the leaf tobacco, and drying and concentrating the obtained water extract under reduced pressure.
- the tobacco sheet according to the present embodiment preferably further contains an aerosol-generating agent from the viewpoint of increasing the amount of smoke during heating.
- the aerosol-generating agent include glycerine, propylene glycol, and 1,3-butanediol. These may be used alone or in combination of two or more.
- the proportion of the aerosol-generating agent contained in 100% by mass of the tobacco sheet is preferably 4% to 50% by mass.
- the proportion of the aerosol-generating agent is 4% or more by mass, aerosol can be generated in sufficient quantity during heating.
- the proportion of the aerosol-generating agent is 50% or less by mass, a sufficient amount of aerosol can be generated during heating from the viewpoint of heat capacity.
- the proportion of the aerosol-generating agent is more preferably 6% to 40% by mass, still more preferably 8% to 30% by mass, particularly preferably 10% to 20% by mass.
- the tobacco sheet according to the present embodiment preferably further contains a forming agent from the viewpoint of ensuring the shape.
- the tobacco sheet of the present embodiment preferably further contains a first forming agent and a second forming agent from the viewpoint that the performance of the tobacco sheet to retain the aerosol-generating agent and to maintain the corrugated shape can be sufficiently achieved.
- the first forming agent and the second forming agent may be different from each other in the type of forming agent, or may be the same in the type of the forming agent but different in the form.
- the first forming agent include polysaccharides, proteins, and synthetic polymers. Examples of the polysaccharides include cellulose derivatives and naturally occurring polysaccharides.
- cellulose derivatives examples include cellulose ethers, such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxymethylethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, benzyl cellulose, trityl cellulose, cyanoethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, and aminoethyl cellulose; organic acid esters, such as cellulose acetate, cellulose formate, cellulose propionate, cellulose butyrate, cellulose benzoate, cellulose phthalate, and tosyl cellulose; and esters of inorganic acids, such as cellulose nitrate, cellulose sulfate, cellulose phosphate, and cellulose xanthate.
- cellulose ethers such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxymethylethyl cellulose, hydroxypropyl cellulose, hydroxy
- Examples of the naturally occurring polysaccharides include plant-derived polysaccharides, such as guar gum, tara gum, locust bean gum, tamarind seed gum, pectin, arabic gum, tragacanth gum, karaya gum, ghatti gum, arabinogalactan, flax seed gum, cassia gum, psyllium seed gum, and artemisia seed gum; algae-derived polysaccharides, such as carrageenan, agar, alginic acid, propylene glycol alginate, furcellaran, and oyster thief extracts; microorganism-derived polysaccharides, such as xanthan gum, gellan gums, curdlan, pullulan, Agrobacterium succinoglycan, welan gum, macrophomopsis gum, and rhamsan gum; crustacean-derived polysaccharides, such as chitin, chitosan, and glucosamine; and starches, such as starches
- proteins examples include cereal proteins, such as wheat gluten and rye gluten.
- synthetic polymers include polyphosphoric acid, sodium polyacrylate, and polyvinylpyrrolidone.
- the second forming agent although the second forming agent is different from the first forming agent, the polysaccharides, the proteins, the synthetic polymers, and so forth similar to the first forming agent can be used.
- the proportion of the first forming agent contained in 100% by mass of the tobacco sheet is preferably 0.1% to 15% by mass.
- the proportion of the first forming agent is 0.1% or more by mass, the mixture of raw materials can be easily formed into a sheet shape.
- the proportion of the first forming agent is 15% or less by mass, other raw materials can be sufficiently used for ensuring a function required for the tobacco-containing segment of the non-combustion heating-type flavor inhaler.
- the proportion of the first forming agent is more preferably 0.1% to 12% by mass, still more preferably 0.1% to 10% by mass, particularly preferably 0.1% to 7% by mass.
- the proportion of the second forming agent contained in 100% by mass of the tobacco sheet is preferably 0.1% to 15% by mass.
- the proportion of the second forming agent is 0.1 % or more by mass, the mixture of raw materials can be easily formed into a sheet shape.
- the proportion of the second forming agent is 15% or less by mass, other raw materials can be sufficiently used for ensuring a function required for the tobacco-containing segment of the non-combustion heating-type flavor inhaler.
- the proportion of the second forming agent is more preferably 0.1% to 12% by mass, still more preferably 0.1% to 10% by mass, particularly preferably 0.1% to 7% by mass.
- the first forming agent and the second forming agent are the same in type but different in form
- the first forming agent may be in the form of a powder
- the second forming agent may be in the form of a solution or slurry.
- a forming agent as the first forming agent may be directly mixed in the form of a powder
- the forming agent as the second forming agent may be dispersed or swollen in a solvent, such as water, and then mixed.
- a solvent such as water
- the tobacco sheet according to the present embodiment can further contain a reinforcing agent from the viewpoint of further improving physical properties.
- a reinforcing agent include fibrous materials, such as fibrous pulp and fibrous synthetic cellulose, and liquid materials having a surface coating function of forming a film when dried, such as an aqueous suspension of pectin. These may be used alone or in combination of two or more.
- the proportion of the reinforcing agent contained in 100% by mass of the tobacco sheet is preferably 4% to 40% by mass. Within this range, other raw materials can be sufficiently used for ensuring the functions required for the tobacco-containing segment of the non-combustion heating-type flavor inhaler.
- the proportion of the reinforcing agent is more preferably 4.5% to 35% by mass, still more preferably 5% to 30% by mass.
- the tobacco sheet according to the present embodiment can further contain a humectant from the viewpoint of quality retention.
- humectant include sugar alcohols, such as sorbitol, erythritol, xylitol, maltitol, lactitol, mannitol, and reduced maltose syrup. These may be used alone or in combination of two or more.
- the proportion of the humectant contained in 100% by mass of the tobacco sheet is preferably 1% to 15% by mass. Within this range, other raw materials can be sufficiently used for ensuring the functions required for the tobacco-containing segment of the non-combustion heating-type flavor inhaler.
- the proportion of the humectant is more preferably 2% to 12% by mass, still more preferably 3% to 10% by mass.
- the tobacco sheet according to the present embodiment can contain, in addition to the tobacco raw material, the aerosol-generating agent, the forming agents (first and second forming agents), the reinforcing agent, and the humectant, a flavor agent, such as a flavoring agent or a taste enhancer, a coloring agent, a wetting agent, a preservative, a diluent, such as an inorganic substance, and so forth, as needed.
- a flavor agent such as a flavoring agent or a taste enhancer
- a coloring agent such as a flavoring agent or a taste enhancer
- a wetting agent such as a wetting agent
- a preservative such as an inorganic substance, and so forth
- the tobacco sheet according to the present embodiment preferably has a filling capacity of 190 cc/100 g or more.
- the filling capacity is 190 cc/100 g or more, the total heat capacity of the tobacco-containing segment of the non-combustion heating-type flavor inhaler can be sufficiently reduced, and the tobacco sheet filled in the tobacco-containing segment can further contribute to aerosol generation.
- the filling capacity is more preferably 210 cc/100 g or more, more preferably 230 cc/100 g or more.
- the upper limit of the filling capacity range is not particularly limited, but can be, for example, 800 cc/100 g or less.
- the filling capacity is a value measured with DD-60A (trade name, available from Borgward) after a tobacco sheet is shredded into a size of 0.8 mm ⁇ 20 mm and left in a conditioning room at 22°C and 60% for 48 hours.
- the measurement is performed by placing 15 g of the shredded tobacco sheet in a cylindrical container having an inside diameter of 60 mm and determining the volume when the shredded tobacco sheet is compressed for 30 seconds with a load of 3 kg.
- the method for manufacturing tobacco sheet according to the present embodiment can include, for example, a step of preparing a mixture containing a tobacco raw material, an aerosol-generating agent, a first forming agent, and a second forming agent, a step of rolling the mixture to form a rolled article, and a step of imparting a corrugated shape to the rolled article while cutting the rolled article into strips by pressing a rotary roller cutter against the rolled article.
- the process of imparting a corrugated shape is also referred to as a rippling process.
- the tobacco sheet according to the present embodiment can be manufactured by the following method.
- the sheet cut into strips by the rotary roller cutter is subjected to a resistance force as it is peeled from the roll, giving it the corrugated shape and serrated shape as illustrated in Fig. 1 .
- the rolled article on the rolling roller can be peeled off with a doctor knife to apply a resistance force when they are peeled from the roller, thereby imparting the corrugated shape and serrated shape in the same manner.
- the surfaces of the rolling rollers may be heated or cooled, and the number of rotations of the rolling rollers may be adjusted, depending on the purpose.
- a tobacco sheet having a desired basis weight can be manufactured by adjusting the distance between the rolling rollers.
- the non-combustion heating-type flavor inhaler according to the present embodiment includes a tobacco-containing segment containing the tobacco sheet according to the present embodiment and so forth.
- the non-combustion heating-type flavor inhaler according to the present embodiment includes the tobacco-containing segment filled with the high-filling-capacity tobacco sheet according to the present embodiment and so forth.
- the total heat capacity of the tobacco-containing segment can be sufficiently reduced, and the tobacco sheet filled in the tobacco-containing segment can further contribute to aerosol generation.
- FIG. 2 illustrates an example of the non-combustion heating-type flavor inhaler according to the present embodiment.
- a non-combustion heating-type flavor inhaler 4 illustrated in Fig. 2 includes a tobacco-containing segment 5 filled with the tobacco sheet according to the present embodiment or the like, a tubular cooling segment 6 having perforations 11 on the circumference, a center-hole segment 7, and a filter segment 8.
- the non-combustion heating-type flavor inhaler according to the present embodiment may include other segments in addition to the tobacco-containing segment, the cooling segment, the center-hole segment, and the filter segment.
- the length of the non-combustion heating-type flavor inhaler according to the present embodiment in the axial direction is preferably, but not particularly limited to, 40 mm or more and 90 mm or less, more preferably 50 mm or more and 75 mm or less, still more preferably 50 mm or more and 60 mm or less.
- the circumference of the non-combustion heating-type flavor inhaler is preferably 16 mm or more and 25 mm or less, more preferably 20 mm or more and 24 mm or less, still more preferably 21 mm or more and 23 mm or less.
- the tobacco-containing segment has a length of 20 mm
- the cooling segment has a length of 20 mm
- the center-hole segment has a length of 8 mm
- the filter segment has a length of 7 mm.
- the length of the filter segment can be selected in the range of 4 mm to 10 mm.
- the airflow resistance of the filter segment is selected so as to be 15 mmH 2 O/segment or more and 60 mmH 2 O/segment or less.
- the lengths of these individual segments can be appropriately changed in accordance with manufacturing suitability, required quality, and so forth. Even if the filter segment alone is disposed downstream of the cooling segment without using the center-hole segment, the flavor inhaler can function as a non-combustion heating-type flavor inhaler.
- a wrapping paper (hereinafter, also referred to as a "wrapper") is filled with the tobacco sheet according to the present embodiment.
- a method for filling the tobacco sheet into the wrapping paper is not particularly limited.
- the tobacco sheet may be wrapped in a wrapper, or the tobacco sheet may be filled in a tubular wrapper.
- the tobacco sheet has a shape, such as a rectangular shape, having a longitudinal direction
- the tobacco sheet may be packed in such a manner that its longitudinal direction is an unspecified direction in the wrapper, or may be packed so as to be aligned in the axial direction of the tobacco-containing segment 5 or in a direction perpendicular to the axial direction.
- the cooling segment 6 can include a tubular member 10.
- the tubular member 10 may be, for example, a cardboard tube formed by processing cardboard into a tubular shape.
- the tubular member 10 and mouthpiece lining paper 15 described below are provided with perforations 11 penetrating therethrough.
- the presence of the perforations 11 allows outside air to be introduced into the cooling segment 6 during inhalation.
- the vaporized aerosol component produced by heating the tobacco-containing segment 5 comes into contact with the outside air to reduce its temperature, thus liquefying to form an aerosol.
- the diameter of (length across) each perforation 11 is not particularly limited, and may be, for example, 0.5 mm or more and 1.5 mm or less.
- the number of the perforations 11 is not particularly limited. One perforation or two or more perforations may be used.
- the multiple perforations 11 may be provided on the circumference of the cooling segment 6.
- the amount of outside air introduced through the perforations 11 is preferably 85% or less by volume, more preferably 80% or less by volume, based on the volume of the entire gas inhaled by a user.
- the proportion of the amount of outside air is 85% or less by volume, a decrease in flavor due to dilution with outside air can be sufficiently inhibited. In other words, this is also referred to as a ventilation ratio.
- the lower limit of the range of the ventilation ratio is preferably 55% or more by volume, more preferably 60% or more by volume, from the viewpoint of cooling performance.
- the cooling segment may also be a segment including a crimped, pleated, gathered, or folded sheet of a suitable component material.
- the cross-sectional profile of such an element may exhibit randomly oriented channels.
- the cooling segment may also include a bundle of longitudinally extending tubes. Such a cooling segment can be formed, for example, by wrapping a pleated, gathered, or folded sheet material with wrapping paper.
- the length of the cooling segment in the axial direction can be, for example, 7 mm or more and 28 mm or less, and can be, for example, 18 mm.
- the cooling segment can be substantially circular in its axial cross-sectional shape.
- the diameter can be, for example, 5 mm or more and 10 mm or less, and can be, for example, about 7 mm.
- the center-hole segment includes a filling layer having one or multiple hollow portions and an inner plug wrapper (inner wrapping paper) covering the filling layer.
- the center-hole segment 7 includes a second filling layer 12 having a hollow portion and a second inner plug wrapper 13 covering the second filling layer 12.
- the center-hole segment 7 has a function of increasing the strength of a mouthpiece segment 9.
- the second filling layer 12 can be, for example, a rod, having an inside diameter of ⁇ 1.0 to ⁇ 50 mm, formed by hardening densely packed cellulose acetate fibers containing a 6% or more by mass and 20% or less by mass plasticizer containing triacetin based on the mass of the cellulose acetate.
- the second filling layer 12 has a high fiber filling density, so that air or aerosol flows only in the hollow portion during inhalation, and hardly flows in the second filling layer 12. Since the second filling layer 12 inside the center-hole segment 7 is a fiber-filled layer, the feeling of touch from the outside during use is less likely to cause the user to feel uncomfortable.
- the center-hole segment 7 need not include the second inner plug wrapper 13, and the shape of the center-hole segment 7 may be maintained by thermoforming.
- the configuration of the filter segment 8 is not particularly limited, and the filter segment 8 may be formed of a single filling layer or multiple filling layers. The outside of the filling layer may be wrapped with one or more sheets of wrapping paper.
- the flow resistance per segment of the filter segment 8 can be appropriately changed in accordance with, for example, the amount of filler and the material of the filler filled in the filter segment 8. For example, when the filler is formed of cellulose acetate fibers, the flow resistance can be increased by increasing the amount of cellulose acetate fibers filled in the filter segment 8. When the filler is formed of cellulose acetate fibers, the filling density of the cellulose acetate fibers can be 0.13 to 0.18 g/cm 3 .
- the airflow resistance is a value measured by an airflow resistance measuring device (trade name: SODIMAX, available from SODIM).
- the circumference of the filter segment 8 is not particularly limited, but is preferably 16 to 25 mm, more preferably 20 to 24 mm, still more preferably 21 to 23 mm.
- the length of the filter segment 8 in the axial direction can be selected from 4 to 10 mm, and is selected in such a manner that the airflow resistance is 15 to 60 mmH 2 O/segment.
- the length of the filter segment 8 in the axial direction is preferably 5 to 9 mm, more preferably 6 to 8 mm.
- the cross-sectional shape of the filter segment 8 is not particularly limited, and may be, for example, circular, elliptical, polygonal, or the like.
- flavoring agent-containing breakable capsules or flavoring agent beads may be added, or a flavoring agent may be directly added.
- the center-hole segment 7 and the filter segment 8 can be connected using an outer plug wrapper (outer wrapping paper) 14.
- the outer plug wrapper 14 can be, for example, a tubular sheet of paper.
- the tobacco-containing segment 5, the cooling segment 6, and the center-hole segment 7 that has been connected to the filter segment 8 can be connected using the mouthpiece lining paper 15. These can be connected, for example, by applying an adhesive, such as a vinyl acetate adhesive, to the inner surface of the mouthpiece lining paper 15, placing the three segments, and wrapping them. These segments may be connected in multiple steps with multiple sheets of lining paper.
- a non-combustion heating-type flavor inhalation system includes the non-combustion heating-type flavor inhaler according to the present embodiment and a heating device configured to heat the tobacco-containing segment of the non-combustion heating-type flavor inhaler.
- the non-combustion heating-type flavor inhalation system according to the present embodiment may have another configuration other than the non-combustion heating-type flavor inhaler according to the present embodiment and the heating device.
- Fig. 3 illustrates an example of the non-combustion heating-type flavor inhalation system according to the present embodiment.
- the non-combustion heating-type flavor inhalation system illustrated in Fig. 3 includes the non-combustion heating-type flavor inhaler 4 according to the present embodiment, and a heating device 16 configured to, from the outside, heat the tobacco-containing segment of the non-combustion heating-type flavor inhaler 4.
- Fig. 3(a) illustrates a state before the non-combustion heating-type flavor inhaler 4 is inserted into the heating device 16
- Fig. 3(b) illustrates a state in which the non-combustion heating-type flavor inhaler 4 is inserted into the heating device 16 and heated.
- the heating device 16 illustrated in Fig. 3 includes a body 17, a heater 18, a metal tube 19, a battery unit 20, and a control unit 21.
- the body 17 has a tubular recessed portion 22.
- the heater 18 and the metal tube 19 are arranged on the inner surface of the recessed portion 22 at a position corresponding to the tobacco-containing segment of the non-combustion heating-type flavor inhaler 4 to be inserted into the recessed portion 22.
- the heater 18 can be an electrical resistance heater. Electric power is supplied from the battery unit 20 by instructions from the control unit 21, which controls the temperature, to heat the heater 18. The heat generated from the heater 18 is conducted to the tobacco-containing segment of the non-combustion heating-type flavor inhaler 4 through the metal tube 19 having high thermal conductivity.
- Fig. 3(b) there is a gap between the outer circumference of the non-combustion heating-type flavor inhaler 4 and the inner circumference of the metal tube 19 because it is schematically illustrated. However, actually, it is desirable that there is no gap between the outer circumference of the non-combustion heating-type flavor inhaler 4 and the inner circumference of the metal tube 19 in order to achieve efficient heat conduction.
- the heating device 16 heats the tobacco-containing segment of the non-combustion heating-type flavor inhaler 4 from the outside, but may heat it from the inside.
- the heating temperature by the heating device is not particularly limited, but is preferably 400°C or lower, more preferably 150°C or higher and 400°C or lower, still more preferably 200°C or higher and 350°C or lower.
- the heating temperature refers to the temperature of the heater of the heating device.
- the non-combustion heating-type flavor inhaler is required to reduce smoke flavor inhibition (stimulation) or discomfort.
- the smoke flavor inhibition refers to stimulation to the oral cavity or throat upon inhalation.
- a tobacco sheet for a non-combustion heating-type flavor inhaler in which smoke flavor inhibition or discomfort is reduced will be described.
- the tobacco sheet for a non-combustion heating-type flavor inhaler contains fructan.
- fructan is thermally decomposed to continuously generate a sweet aroma.
- the generated sustained sweet aroma can continuously inhibit the smoke flavor inhibition from the early stage to the late stage of the smoking behavior.
- the fructan is not particularly limited, and an inulin-type fructan, a levan-type fructan, a branched fructan, a fructo-oligosaccharide, or a combination of two or more thereof can be used. Among these, the inulin-type fructan is preferred from the viewpoint of cost reduction.
- Fructan is composed of multiple monosaccharides bonded, and has a molecular structure larger than monosaccharides and disaccharides. For this reason, when fructan undergoes a caramelization reaction, it is considered that fructan undergoes a multi-stage decomposition process in which fructan is decomposed into sugars having relatively small molecules such as monosaccharides and disaccharides, and then these monosaccharides and disaccharides undergo a caramelization reaction to generate a sweet aroma. When monosaccharides and disaccharides undergo a caramelization reaction, these sugars are considered to undergo a caramelization reaction to directly generate a sweet aroma.
- fructan is considered to be able to generate a sweet aroma at a slower rate and for a longer period of time than monosaccharides and disaccharides because of a larger number of decomposition steps.
- these features relating to the caramelization reaction of fructan can continuously inhibit the smoke flavor inhibition from the early stage to the late stage of the smoking behavior.
- the fructan content based on 100% by mass of the tobacco sheet can be, but is not particularly limited to, 0.1% to 5% by mass, 0.3% to 3.5% by mass, or 0.5% to 3% by mass.
- a higher fructan content is more preferred from the viewpoint of suppression of the smoke flavor inhibition and the viewpoint of the persistence of the inhibition of the smoke flavor inhibition.
- An excessively higher fructan content may reduce flavor.
- the fructan content is preferably 0.5% to 3% by mass from the viewpoint of achieving the inhibition of the smoke flavor inhibition and the persistence thereof and providing flavor.
- the tobacco raw material may further contain tobacco leaves, aged tobacco leaves, processed tobacco leaves, tobacco fillers, non-tobacco materials, or a combination of two or more thereof.
- tobacco leaves is used as a generic term for harvested tobacco leaves before they are subjected to aging as described below.
- aging includes curing. Tobacco leaves that have undergone aging and have not yet been processed into various forms used in tobacco products (such as shredded tobacco, tobacco sheets, and tobacco granules, described below) are referred to as “aged tobacco leaves”. The aged tobacco leaves processed into various forms used in tobacco products are referred to as “processed tobacco leaves”.
- Examples of the form of processed tobacco leaves used in tobacco products include "shredded tobacco” obtained by shredding aged tobacco leaves into a predetermined size. Further examples thereof may include “tobacco sheets” and “tobacco granules”.
- a composition containing aged tobacco leaves that have been ground to a predetermined particle size (hereinafter also referred to as a "fine tobacco powder") is formed into sheets to obtain the "tobacco sheets” and into granules to obtain the "tobacco granules”.
- the "fine tobacco powder” is also one form of processed tobacco leaves.
- non-tobacco materials can include roots (including scaly roots (scaly bulbs), tuberous roots (potatoes), bulbs, and so forth), stems, tubers, skins (including stem bark, tree bark, and so forth), leaves, and flowers (including petals, pistils, stamens, and so forth), seeds, and fruits of plants; and tree trunks and branches.
- roots including scaly roots (scaly bulbs), tuberous roots (potatoes), bulbs, and so forth
- stems including stem bark, tree bark, and so forth
- leaves including petals, pistils, stamens, and so forth
- seeds, and fruits of plants and tree trunks and branches.
- a method for manufacturing a fructan-containing tobacco sheet is not limited.
- the tobacco sheet can be manufactured by preparing the above-described tobacco sheet and supplying fructan from the outside.
- fructan is preferably supplied to the rolled article.
- the rolled article may be used before or after the corrugated shape is imparted.
- the tobacco sheet for the non-combustion heating-type flavor inhaler contains a saturated fatty acid-based additive.
- the tobacco sheet may contain a material derived from an Oriental variety.
- the amount of material derived from the Oriental variety is preferably 10% or less by mass based on the tobacco raw material.
- the upper limit of the amount is preferably 8% or less by mass, more preferably 5% or less by mass.
- the lower limit thereof is preferably 0.1% or more by mass, more preferably 2% or more by mass, still more preferably 3% or more by mass.
- the saturated fatty acid-based additive is selected from the group consisting of a saturated fatty acid having a molar mass of 200 to 350 g/mol, an ester of the saturated fatty acid, and a combination thereof.
- the saturated fatty acid reduces discomfort during smoking.
- the ester of the saturated fatty acid is prepared from an alcohol and a saturated fatty acid having a molar mass of 200 to 350 g/mol; thus, the molar mass of the ester varies in accordance with the molar mass of the alcohol. In one embodiment, the molar mass of the ester is 210 to 1,300 g/mol.
- the ester of a saturated fatty acid typically has a lower vapor pressure than the fatty acid; thus, the effect of reducing discomfort during smoking lasts throughout smoking.
- the discomfort reduction effect during smoking is also referred to simply as a discomfort reduction effect.
- the lower limit of the molar mass of the ester of the saturated fatty acid is preferably 240 g/mol or more, more preferably 270 g/mol or more.
- the upper limit is preferably 1,140 g/mol or less, 1,112 g/mol or less, 300 g/mol or less, or 290 g/mol or less.
- the saturated fatty acid-based additive content is 0.01% to 3% by mass based on the total dry matter mass of the tobacco raw material (assuming that the dry matter mass is 100% by mass).
- the content is less than the lower limit, the discomfort reduction effect is not sufficient.
- the content is more than the upper limit, the sense of offensive odor increases.
- the lower limit of the content is preferably 1% or more by mass, and the upper limit thereof is preferably 2% or less by mass.
- the dry matter mass is the mass excluding a medium described below, and is preferably the mass of the residue when the composition is dried at 100°C for 5 hours.
- Each of the saturated fatty acid and the fatty acid moiety in the ester preferably has 12 to 20 carbon atoms, more preferably 15 to 19 carbon atoms. When the number of carbon atoms is within this range, the discomfort reduction effect is more noticeable.
- the solubility of the saturated fatty acid in water is preferably 0.15 mg/g or less, more preferably 0.12 mg/g or less.
- the lower limit thereof is not limited and may be 0 mg/g, but is preferably 0.05 mg/g or more.
- the saturated fatty acid include octanoic acid, decanoic acid, myristic acid, palmitic acid, stearic acid, and nonadecanoic acid.
- palmitic acid, stearic acid, or nonadecanoic acid is preferred from the viewpoint of easy availability and providing the discomfort reduction effect.
- the saturated fatty acid may be a mixture, but is preferably a single substance that is not a mixture.
- the term "single substance (single compound)" includes a case where the compound is a pure substance and a case where the compound contains incidental impurities.
- the saturated fatty acid consists only of palmitic acid. If the saturated fatty acid is a single substance, when the tobacco composition of the present invention is formed into a formed product such as a sheet, the dispersibility of the saturated fatty acid in the formed product is improved.
- ester of the saturated fatty acid examples include the alkyl ester and sugar ester of the saturated fatty acid described above.
- An alkyl moiety is preferably derived from a linear, branched, or cyclic alkyl group having 1 to 10 carbon atoms, such as a methyl group.
- the sugar moiety is preferably derived from a disaccharide such as sucrose.
- Preferred examples of the ester include sucrose palmitate and methyl palmitate.
- the saturated fatty acid moiety in the ester is preferably derived from a single saturated fatty acid for the reasons described above.
- the alcohol moiety in the ester need not be a single moiety, but is preferably a single moiety for the reasons described above.
- the ester also functions as an emulsifier.
- the saturated fatty acid-based additive contains the saturated fatty acid and the ester. In this case, the discomfort reduction effect can be advantageously maintained longer.
- the type of saturated fatty acid-based additive can be appropriately selected, in accordance with, for example, the tobacco raw material used. Thus, this embodiment also has an advantage of being versatile.
- the whole or part of the saturated fatty acid-based additive is preferably in the form of a powder.
- the dispersibility of the saturated fatty acid-based additive in a formed article such as a sheet is improved as described below.
- the size thereof is not limited.
- the D50 is preferably 30 to 120 ⁇ m, more preferably 50 to 100 ⁇ m.
- the saturated fatty acid-based additive preferably has a higher degree of crystallinity than waxes and natural fats and oils.
- the tobacco sheet may contain liquid sugar.
- the liquid sugar is sugar in liquid form.
- the sweet taste is improved in addition to the reduction of discomfort during smoking.
- the liquid sugar content is preferably 3% to 10% by mass, more preferably 5% to 8% by mass, based on the dry matter mass in the tobacco composition.
- the tobacco sheet may contain a natural botanical flavoring agent.
- the sweet taste is improved in addition to the discomfort reduction effect.
- the content of the natural botanical flavoring agent is preferably 0.5% to 3% by mass, more preferably 2% to 3% by mass, based on the dry matter mass in the tobacco composition.
- the natural botanical flavoring agent those known in the tobacco field can be used, and licorice is preferred in the present invention.
- Licorice is a sweetener derived from Spanish licorice, which belongs to the genus Glycyrrhiza of the legume family.
- the amount of nicotine contained in the tobacco sheet according to the present embodiment is not limited, but can be 2% or more by mass based on the dry matter mass of the tobacco sheet in one embodiment.
- the discomfort during smoking tends to increase as the amount of nicotine increases.
- the discomfort reduction effect is provided as described above.
- the upper limit of the amount of nicotine is practically, but not limited to, 3% or less by mass.
- the amount of nicotine may be 1.5% or less by mass.
- a milder smoke flavor can be imparted.
- the lower limit of the amount of nicotine is practically, but not limited to, 0.1% or more by mass.
- Nicotine contained in the tobacco sheet may be derived from the tobacco raw material, or may be derived from other components.
- the tobacco sheet in the present embodiment can contain the above-described aerosol-generating agent.
- the amount of aerosol-generating agent is preferably 12% or less by mass, more preferably 11% or less by mass, based on the dry matter mass of the tobacco sheet.
- the lower limit thereof is not limited and may be 0% by mass, and is preferably 1% or more by mass.
- An amount of aerosol-generating agent of more than the upper limit may result in a difficulty in producing the sheet.
- An amount of less than the lower limit may result in a reduction in smoke sensation.
- the binder is an adhesive for binding fibers together.
- the binder those known in the art can be used.
- the binder include thickening polysaccharides, such as gums, modified celluloses, and modified starches.
- the amount of binder is appropriately adjusted in accordance with the intended use, and can be, for example, about 1% to 10% by mass based on the dry matter mass of the tobacco sheet.
- the tobacco sheet in the present embodiment is manufactured by a freely-selected method.
- a saturated fatty acid-based additive is mixed to prepare a mixture containing the additive, and a sheet can be manufactured by the above-described method using the mixture.
- the tobacco sheet manufactured in this manner has good dispersibility of the aerosol-generating agent. Good dispersibility indicates that the saturated fatty acid-based additive is uniformly dispersed.
- the mixing step is preferably performed at a temperature equal to or lower than the melting point of the saturated fatty acid-based additive. For example, this step can be performed at 10°C to 50°C.
- the mixture (also referred to as "slurry") containing the saturated fatty acid-based additive is preferably prepared by a method including the following step.
- the slurry is prepared while the saturated fatty acid-based additive is maintained in a powder state.
- the dispersibility of component (B) is improved when a formed article is formed.
- the size of the powder is as described above.
- the phrase "the saturated fatty acid-based additive is maintained in a powder state" indicates that the whole or part of the saturated fatty acid-based additive is maintained in a powder state.
- Examples of the medium include water and hydrophilic organic solvents.
- the most preferable medium is water in view of handling.
- solid materials at room temperature are each formed into a powder by pulverization or the like.
- the resulting powders are mixed to prepare a powder mixture.
- Liquid or pasty materials at room temperature, such as a medium, are mixed to prepare a liquid mixture.
- a step of mixing the powder mixture and the liquid mixture is preferably included.
- the viscosity of the slurry at 25°C is preferably 100,000 to 200,000 (mPa ⁇ s).
- the viscosity is measured with a Brookfield type viscometer (DV-I prime available from Brookfield) using a spindle No. LV4 at a rotational speed of 1.0 rpm.
- the tobacco-containing segment (hereinafter, also referred to simply as "tobacco segment”) contains paper or paper containing an aerosol-generating agent.
- the outline of the tobacco segment in this embodiment is illustrated in Fig. 4A .
- a tobacco segment 20A contains a tobacco filler 21 and a wrapper 22 wrapped around the filler 21.
- the tobacco filler 21 includes a tobacco sheet T and paper P.
- the tobacco sheet T is in the form of strands obtained by cutting it, and the paper P is also in the form of strands.
- the strands may be obtained by cutting a sheet in which the tobacco sheet T and the paper P are laminated.
- the corrugated shape of the tobacco sheet T is not illustrated.
- Fig. 4B illustrates an embodiment in which a sheet-like tobacco filler 21 is spirally packed in the wrapper 22.
- the sheet-like tobacco filler 21 may be a sheet obtained by laminating the tobacco sheet T and the paper sheet P, or may be a sheet obtained by bonding side surfaces of the tobacco sheet T and the paper sheet P to each other or bonding portions near the side surfaces to each other.
- Fig. 4C illustrates an embodiment in which the sheet-like tobacco filler 21 is folded and packed in the wrapper 22.
- the sheet-like tobacco filler 21 may be a sheet obtained by laminating the tobacco sheet T and the paper sheet P, or may be a sheet obtained by bonding side surfaces of the tobacco sheet T and the paper sheet P to each other or bonding portions near the side surfaces to each other.
- Fig. 4D illustrates an embodiment in which the shredded tobacco filler 21 is filled in the wrapper 22.
- This figure illustrates a manner in which shreds obtained from the tobacco sheet T and shredded paper P are prepared and filled.
- the shreds may be obtained by shredding a laminated sheet of the tobacco sheet T and the paper P.
- Fig. 4E illustrates an embodiment in which the sheet-like tobacco filler 21 is compressed and rounded from the longitudinal and transverse directions and then filled into the wrapper 22.
- the sheet-like tobacco filler 21 may be a sheet obtained by laminating the tobacco sheet T and the paper sheet P, or may be a sheet obtained by bonding side surfaces of the tobacco sheet T and the paper sheet P to each other or bonding portions near the side surfaces to each other.
- a tobacco segment contains, as fillers, a tobacco sheet, and paper in which the total amount of lignin and hemicellulose is 0.1% to 10% by mass.
- the fillers are fillers for tobacco segments.
- Lignin is a high-molecular-weight phenol compound contained in, for example, wood.
- Hemicellulose is an insoluble polysaccharide contained in the cell wall.
- an offensive odor such as a fiber odor
- the upper limit of the total amount of lignin and hemicellulose contained is preferably 9.0% or less by mass.
- lignin and hemicellulose are measured by known methods, they are preferably measured by the following method in the present invention.
- Step 1) for example, a Thermo Scientific TM Dionex TM ASE TM Accelerated Solvent Extractor System (Model: ASE-350) can be used.
- Step 2) can be specifically performed as described below.
- pancreatin solution is the supernatant obtained by adding 8 g of pancreatin to 100 ml of 0.1 M phosphate buffer with a pH of 6.4, stirring the mixture for 1 hour, and centrifuging the mixture at 8,000 rpm for 30 minutes.
- the sample liquid is then transferred to a 15-ml centrifuge tube using ML-Q water and centrifuged at 8,000 rpm for 15 minutes to remove the supernatant. This washing is repeated three times.
- Steps ii) and iii) can be specifically performed as described below.
- the density of the paper used in this embodiment is preferably 0.05 to 0.8 (g/cm 3 ), more preferably 0.1 to 0.6 (g/cm 3 ).
- the amount of paper used in this embodiment is preferably 5% to 70% by mass, more preferably 10% to 50% by mass, still more preferably 15% to 40% by mass, based on the dry matter mass of the tobacco sheet.
- the smoke flavor can be diluted to an appropriate level without impairing the original smoke flavor.
- the dry matter mass is the mass of the residue when the tobacco sheet is dried at 100°C for 5 hours in one embodiment.
- the paper used in the present embodiment is not limited as long as the total amount of lignin and hemicellulose contained is within the above range, and for example, tobacco paper such as a wrapper, and printing paper such as high-quality printing paper and medium-quality printing paper can be used. However, from the viewpoint of inhibiting the generation of an offensive odor, non-coated paper or slightly coated paper is preferred.
- the paper used in the present embodiment may contain or need not contain an aerosol-generating agent described below. The amount may be in the range described in Embodiment 3-2, or may be in a range other than this.
- the tobacco segment includes, as fillers, a tobacco sheet, and paper containing an aerosol-generating agent.
- the aerosol-generating agent is a material that is vaporized by heating and cooled to generate an aerosol or generates an aerosol by atomization.
- the use of the paper containing the aerosol-generating agent can provide the effect of diluting the smoke flavor without reducing the amount of smoke.
- the aerosol-generating agent those described above can be used.
- the amount thereof is preferably 3% to 20% by mass, more preferably 5% to 15% by mass, based on the dry matter mass of the paper.
- An amount of aerosol-generating agent of more than the upper limit may result in, for example, staining on the tobacco segment.
- An amount of less than the lower limit may result in a reduction in smoke sensation.
- the aerosol-generating agent can be added to the paper by, for example, impregnation or spraying.
- the amount of paper containing aerosol-generating agent is preferably 5% to 75% by mass, more preferably 10% to 50% by mass, still more preferably 15% to 40% by mass, based on the dry matter mass of the tobacco sheet.
- the paper used in this embodiment is not limited, and may be the paper described in Embodiment 3-1.
- the density of the paper before addition of the aerosol-generating agent used in the present embodiment may be in the range described in Embodiment 3-1, or may be in a range other than this.
- the amount of lignin and hemicellulose contained in the paper used in the present embodiment is not limited, and may be in the range described in Embodiment 3-1, or may be in a range other than this.
- the shape of the paper is not limited as long as the paper is easily mixed with the tobacco sheet.
- the paper is in the form of a sheet, shred, or strand.
- the paper and the tobacco sheet have the same shape.
- shredded paper and shredded tobacco sheet are used.
- the paper may contain a flavoring agent, such as menthol, which is commonly used in the art.
- Tobacco lamina (leaf tobacco) was dry-ground with a Hosokawa Micron ACM machine to obtain a tobacco powder.
- the 90% cumulative particle size (D90) in the volume-based particle size distribution measured by a dry laser diffractometry using a Mastersizer (trade name, available from Malvern Panalytical of Spectris Co., Ltd.) was 200 ⁇ m.
- a tobacco sheet was manufactured using the tobacco powder as a tobacco raw material. Specifically, 70 parts by mass of the tobacco raw material, 12 parts by mass of glycerine as an aerosol-generating agent, 4 parts by mass of powdered carboxymethyl cellulose as a first forming agent, 1 part by mass of carboxymethyl cellulose swollen with water as a second forming agent, 5 parts by mass of fibrous pulp as a reinforcing agent, and 8 parts by mass of cocoa powder as a flavoring agent were mixed and kneaded by an extruder. The kneaded product was formed into a sheet shape with two pairs of metal rollers to form a rolled article.
- a rotary roller cutter for noodle making was pressed against the rolled article, and a corrugated shape was imparted while cutting the rolled article into strips.
- the sheet was cut into a length of 20 mm and dried to provide a tobacco sheet having a length of 20 mm and a width of 0.8 mm.
- the cross-section of the tobacco sheet in the thickness direction had a cross-sectional shape as illustrated in Fig. 1 .
- the filling capacity of the resulting tobacco sheet was measured. Specifically, the tobacco sheet was allowed to stand in a conditioning room at 22°C and 60% RH for 48 hours, and then the filling capacity was measured with DD 60A (trade name, available from Borgward). The measurement was performed by placing 15 g of the tobacco sheet in a cylindrical container having an inside diameter of 60 mm, and determining the volume when the tobacco sheet was compressed for 30 seconds with a load of 3 kg. Table 1 presents the results. In Table 1, the filling capacity is indicated by the rate of increase in filling capacity (%) with respect to a reference value of the filling capacity of Comparative example 1 described below.
- a rolled article was produced in the same manner as in Example 1. Thereafter, the rolled article was shredded into strips with multiple ring-shaped rotary blades. The sheet was cut so as to have a length of 20 mm to provide a non-corrugated tobacco sheet having a length of 20 mm and a width of 0.8 mm. The filling capacity of the resulting tobacco sheet was measured in the same manner as in Example 1. Table 1 presents the results. [Table 1] Rate of increase in filling capacity (%) Example 1 54 Comparative example 1 -
- Example 1 As presented in Table 1, the tobacco sheet of Example 1, which is the tobacco sheet according to the present embodiment, had improved filling capacity as compared with the non-corrugated tobacco sheet of Comparative example 1.
- a tobacco sheet (smoking composition sheet) produced by a known papermaking method was prepared.
- the tobacco sheet was filled in a wrapper to form a smoking segment, and a non-combustion heating-type flavor inhaler illustrated in Fig. 2 was prepared.
- inulin-type fructan available from Fuji Nihon Seito Corporation, product name: Fuji FF
- inulin-type fructan available from Fuji Nihon Seito Corporation, product name: Fuji FF
- the solution of inulin-type fructan was added using a syringe so as to spread throughout the entire tobacco sheet, thereby providing sheets each having an inulin-type fructan content of 0.5%, 1.0%, 2.0%, 3.0%, or 3.5% by mass based on the entire smoking composition sheet (containing inulin-type fructan) after the addition.
- fructose available from Happo Shokusan Co., Ltd., product name: fructose
- the same tobacco sheet as in 1. was prepared.
- the solution of fructose was added using a syringe so as to spread throughout the entire tobacco sheet, thereby providing sheets each having a fructose content of 0.5%, 1.0%, 2.0%, 3.0%, or 3.5% by mass based on the entire smoking composition sheet (containing fructose) after the addition.
- the fructan-containing smoking composition sheet or the fructose-containing smoking composition sheet produced as described above was filled in a wrapper to form a smoking segment to prepare a non-combustion heating-type flavor inhaler illustrated in Fig. 2 .
- the inulin-type fructan is a type of fructan.
- the smoking composition sheet containing the inulin-type fructan corresponds to the example of the present application.
- Fructose is a type of monosaccharide.
- the smoking composition sheet containing fructose corresponds to the comparative example of the present application.
- flavor means a flavor obtained by combining a tobacco-derived flavor and a sweet flavor derived from inulin-type fructan or fructose.
- the smoking composition sheets containing inulin-type fructan correspond to the example of the present application, whereas the smoking composition sheets containing fructose correspond to the comparative example of the present application.
- fructose the panelists commented that the smoke flavor inhibition increased in the latter half of smoking (the effect of inhibiting the smoke flavor inhibition did not last for a long time). For this reason, as described in Reference Example 2a below, a comparative experiment was conducted on inulin-type fructan and fructose in terms of the persistence of an inhibitory effect on smoke flavor inhibition.
- a non-combustion heating-type flavor inhaler prepared in the same manner as in "2. Preparation of Fructan- or Fructose-Containing Smoking Composition Sheet" in Reference example 1a was installed in a non-combustion external heating-type smoking system illustrated in Fig. 3 .
- Each of the thus-prepared flavor inhalers was evaluated for the persistence of an inhibitory effect on smoke flavor inhibition by 10 well-trained panelists.
- the persistence of the inhibitory effect on the smoke flavor inhibition of each smoking test rod was evaluated as follows: The inhibitory effect on the flavor and taste until the latter half of smoking and the absence of the inhibitory effect on the smoke flavor inhibition after smoking were evaluated by each panelist according to the five-point scale presented in Table 4a below, and the average value of 10 panelists was calculated. When the average value had a value of two decimal places, the average value was rounded to the nearest tenth to calculate the score.
- Tables 5a and 6a and Fig. 6 present evaluation results.
- Table 4a Very low Low Unchanged High Very high Persistence of inhibitory effect on smoke flavor inhibition 1 2 3 4 5
- Table 5a Comparative subject (2.0% by weight of fructose) Inulin-type fructan content (% by weight) 0.5% 1.0% 2.0% 3.0% 3.5% Panelist/Sensory item Persistence of inhibitory effect on smoke flavor inhibition Panelist 1 3 3 4 4 5 5 Panelist 2 3 3 4 5 5 5 Panelist 3 3 3 4 4 5 5 Panelist 4 3 3 4 4 5 5 Panelist 4 3 3 4 4 5 5 Panelist 5 3 4 4 4 5 5 Panelist 6 3 3 4 4 5 5 Panelist 7 3 4 3 4 5 5 Panelist 8 3 3 4 4 5 5 Panelist 9 3 4 4 4 5 5 Panelist 10 3 4 4 5 5 5 5 Average 3.0 3.4 3.9 4.2 5.0 5.0 Variance 0 0.24 0.09 0.16 0 0
- Comparative subject (2.0% by weight of inulin-type fructan) Fruc
- fructose at any content of 0.5% to 3.5% by mass, was inferior to 2.0% by mass of the inulin-type fructan in terms of the persistence of the inhibitory effect on the smoke flavor inhibition.
- the inulin-type fructan undergoes a process of thermal decomposition before the generation of a sweet flavor through a caramelization reaction.
- the inulin-type fructan is thought to slowly generate a sweet flavor over a long period of time.
- fructose is considered to generate a sweet flavor in a short time through a caramelization reaction.
- the sweet flavor inhibits the smoke flavor inhibition.
- the difference in the generation time of the sweet flavor was considered to result in the difference in the persistence of the inhibitory effect on the smoke flavor inhibition.
- a tobacco sheet produced by papermaking was provided as component (A).
- the sheet contained a tobacco material and 15% by mass of vegetable glycerine as an aerosol-generating agent.
- a saturated fatty acid presented in Table 1b was provided as component (B) and sprayed onto the sheet.
- the amount of component (B) added based on the dry matter mass of the tobacco composition (the total of the tobacco sheet produced by papermaking and the component (B)) is presented in Table 1b.
- the amount of octanoic acid added was 1.0% by mass based on the dry matter mass of the tobacco composition.
- a non-combustion heating-type tobacco flavor inhaler was produced in the same manner as in Reference Example 1b, except that the component (B) was not used.
- a non-combustion heating-type tobacco flavor inhaler was produced and evaluated by the following procedure.
- a non-combustion heating-type tobacco flavor inhaler was produced and evaluated in the same manner as in Reference example 2b, except that the amounts of respective components were changed as given in Table 2b.
- Table 2b Tobacco composition, dry basis, % by weight Sensory evaluation results
- Example B1 75% - 3% - - - 5% 12% 5% Discomfort was reduced as compared with B1 for comparative example.
- Example B2 75% - - 3% - - 5% 12% 5% Discomfort was reduced as compared with B1 for comparative example.
- Example B5 70% - 3% - - 5% 5% 12% 5%
- Example B6 72% 3% 3% - - - 5% 12% 5%
- Example B7 67% 3% 3% - - 5% 12% 5%
- a tobacco sheet produced by a known papermaking method was provided.
- the tobacco sheet was filled in a wrapper to form a tobacco segment, and a non-combustion heating-type flavor inhaler illustrated in Fig. 2 was prepared.
- the article was subjected to a smoking test by 10 well-trained panelists (average age: 40).
- the shredded pieces of paper and the shredded pieces of tobacco sheet were mixed in a ratio by mass of 80:20.
- a non-combustion heating-type flavor inhaler was prepared in the same manner as in Reference comparative example 1c and subjected to a smoking test. Based on the results of Reference comparative example 1c, the smoke flavor and the amount of smoke were evaluated according to the following criteria.
- the fiber odor was evaluated according to the following criteria.
- the tobacco sheet and material 5 were blended in the amounts given in Table 3c. However, 10% by mass of glycerine serving as an aerosol-generating agent was added to the material 5 based on the dry matter mass.
- a non-combustion heating-type flavor inhaler was prepared in the same manner as in Reference example 1c, except that the blend was used. Then a smoking test was conducted.
- the tobacco segment of the present example can moderately dilute the smoke flavor.
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JP2021208018 | 2021-12-22 | ||
PCT/JP2022/018913 WO2022230886A1 (ja) | 2021-04-26 | 2022-04-26 | 非燃焼加熱型香味吸引器用たばこシート及びその製造方法、非燃焼加熱型香味吸引器、並びに非燃焼加熱型香味吸引システム |
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US (1) | US20240049767A1 (ko) |
EP (1) | EP4331389A1 (ko) |
JP (1) | JPWO2022230886A1 (ko) |
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JPS6045914B2 (ja) | 1983-09-26 | 1985-10-12 | 日本たばこ産業株式会社 | しわ付シ−トたばこの製造法 |
WO2009084458A1 (ja) * | 2007-12-27 | 2009-07-09 | Japan Tobacco Inc. | 炭素質加熱源を備えた非燃焼型喫煙物品 |
US9950858B2 (en) * | 2015-01-16 | 2018-04-24 | R.J. Reynolds Tobacco Company | Tobacco-derived cellulose material and products formed thereof |
UA121770C2 (uk) * | 2015-05-29 | 2020-07-27 | Філіп Морріс Продактс С.А. | Спосіб виготовлення різаного тютюнового наповнювача |
MX2018003384A (es) * | 2015-09-16 | 2018-08-15 | Dillmann Alexandra | Un metodo y una disposicion de distribucion para tratar un flujo de liquido vaporizado proporcionado por un cigarro electronico y un cigarro electronico para la ingesta oral de liquido vaporizado que contiene una composicion adicional. |
CN110573031B (zh) * | 2017-05-24 | 2022-04-05 | 菲利普莫里斯生产公司 | 包含碱性pH调节剂的均质化植物性材料 |
EP3670741A4 (en) * | 2017-09-05 | 2020-09-09 | Nippon Paper Papylia Co., Ltd. | WATER DISPERSIBLE SHEET |
IL284013B1 (en) * | 2018-12-20 | 2024-09-01 | Philip Morris Products Sa | An item for creating a spray with a light hollow part |
CN111084405B (zh) * | 2020-02-19 | 2022-05-10 | 太湖集友广誉科技有限公司 | 一种再造烟草薄片及其制备方法 |
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