WO2023119760A1 - Suspension de tabac, son procédé de production et procédé de production de produit de tabac - Google Patents

Suspension de tabac, son procédé de production et procédé de production de produit de tabac Download PDF

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Publication number
WO2023119760A1
WO2023119760A1 PCT/JP2022/034918 JP2022034918W WO2023119760A1 WO 2023119760 A1 WO2023119760 A1 WO 2023119760A1 JP 2022034918 W JP2022034918 W JP 2022034918W WO 2023119760 A1 WO2023119760 A1 WO 2023119760A1
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tobacco
slurry
viscosity
mass
untreated
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PCT/JP2022/034918
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English (en)
Japanese (ja)
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和之 土澤
敬一 塙
貴久 勝岡
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日本たばこ産業株式会社
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Publication of WO2023119760A1 publication Critical patent/WO2023119760A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes

Definitions

  • the present invention relates to a tobacco slurry, a method for manufacturing the same, and a method for manufacturing tobacco products.
  • Patent Document 1 discloses a method in which leaf tobacco particles are dispersed in a dispersion medium to prepare a dispersion, and the dispersion is added to shredded tobacco by spraying or the like.
  • the method disclosed in Patent Document 1 is a useful technique in that it can evenly impart flavor to shredded tobacco or the like.
  • the viscosity of the dispersion increases due to interaction between the water-soluble component derived from the tobacco raw material and water, etc., making it difficult to spray. It can be difficult.
  • a dispersion containing an aqueous dispersion medium and tobacco particles having an average particle size of 30 ⁇ m or less dispersed in the dispersion medium is prepared, A method is disclosed that includes heating the dispersion to 160° C. or higher.
  • Patent Document 2 the inventors of the present invention have found that although the method disclosed in Patent Document 2 can reduce the viscosity, the tobacco raw material dispersion is heated to 160° C. or higher, so that the tobacco-derived tobacco contained in the dispersion It has been found that sugars and the like are decomposed, and good flavor cannot be imparted to tobacco products in some cases. Therefore, it is desired to prepare a tobacco slurry that has a low viscosity and can impart a good flavor.
  • An object of the present invention is to provide a tobacco slurry that has a low viscosity and that can impart a good flavor, and a tobacco product to which the tobacco slurry is added.
  • the present invention includes the following embodiments.
  • a method for producing a tobacco slurry comprising the step of heat-treating an untreated slurry containing water and tobacco particles at 100°C or higher and lower than 160°C for 30 minutes or longer.
  • a method of manufacturing a tobacco product comprising:
  • the present invention it is possible to provide a low-viscosity tobacco slurry capable of imparting good flavor, and a tobacco product to which the tobacco slurry is added.
  • the method for producing tobacco slurry according to the present embodiment includes a step of heat-treating an untreated slurry containing water and tobacco particles at 100° C. or higher and lower than 160° C. for 30 minutes or longer (hereinafter also referred to as a heat treatment step). .
  • the present inventors have found that by heat-treating an untreated slurry containing water and tobacco particles at 100° C. or higher and lower than 160° C. for 30 minutes or longer, the viscosity can be reduced in the same manner as when heated at 160° C. or higher. It was found that a good flavor that could not be confirmed when heated at 160° C. or higher can be imparted.
  • a tobacco particle-derived component hereinafter also referred to as a viscosity-increasing component
  • a tobacco particle-derived component that contributes to an increase in viscosity in the same manner as when heated at 160°C or higher is sufficiently obtained.
  • the untreated slurry before heat treatment according to this embodiment contains water and tobacco particles.
  • the untreated slurry may contain, for example, organic compounds and other additives in addition to water and tobacco particles.
  • the green slurry contains water as a dispersing medium for the tobacco particles.
  • the content of water contained in 100% by mass of the untreated slurry is preferably 70 to 99% by mass, more preferably 75 to 95% by mass, and even more preferably 80 to 90% by mass.
  • the content is 70% by mass or more, the viscosity is sufficiently lowered so that the obtained tobacco slurry can be easily sprayed.
  • the content is 99% by mass or less, a sufficient flavor can be imparted to the object to which the tobacco slurry is added.
  • the tobacco particles may be derived from tobacco material, fermented tobacco material, or heat treated tobacco material.
  • Tobacco raw materials are whole tobacco or parts of tobacco, and the parts can be leaves, veins, stems, roots, flowers, and mixtures thereof.
  • Tobacco varieties include, but are not limited to, yellow varieties, burley varieties, native varieties, and orient leaves.
  • the tobacco raw material to be used may be fresh leaves that have not been dried immediately after harvesting, or may be dried after harvesting, or may be used in combination. Core tobacco, puffed tobacco, and tobacco sheets obtained by processing these tobacco raw materials can also be used. These may be used alone, or may be used in combination with a plurality of varieties and parts.
  • Tobacco particles can be prepared by any method, but it is preferable to subject the tobacco raw material to ordinary drying treatment, coarsely pulverize it with an ordinary coarse pulverizer, and then finely pulverize it. Drying treatment and coarse pulverization may be carried out in a known manner, and the average particle size of the coarsely pulverized tobacco particles is preferably in the range of several hundred ⁇ m to several mm.
  • the fine pulverization method is also not limited, and either wet pulverization or dry pulverization may be used.
  • Wet pulverization can be carried out by adding a liquid dispersing medium to coarsely pulverized tobacco particles, mixing the mixture, and treating the mixture with a wet pulverizer (for example, MIC-2, manufactured by Nara Machinery Co., Ltd.).
  • a wet pulverizer for example, MIC-2, manufactured by Nara Machinery Co., Ltd.
  • the number of rotations of the pulverizer is usually 1100 to 1300 rpm, and the pulverization time is preferably about 5 to 100 minutes.
  • Dry pulverization can be carried out by treating coarsely pulverized tobacco particles with a dry pulverizer such as a jet mill.
  • the average particle size of tobacco particles is preferably 30 ⁇ m or less, more preferably 20 ⁇ m or less.
  • nozzle clogging is less likely to occur when the tobacco slurry is sprayed, and the tobacco particles are more likely to be uniformly dispersed in the tobacco product, imparting flavor to the tobacco product. can be performed evenly.
  • the lower limit of the range of the average particle size of tobacco particles is not particularly limited, but may be, for example, 5 ⁇ m or more, and may be 8 ⁇ m or more.
  • the average particle size of the tobacco particles can be adjusted by adjusting the pulverization conditions.
  • the average particle size can be increased by shortening the fine pulverization time, reducing the viscosity of the dispersion medium, and the like.
  • the average particle size of the tobacco particles is obtained by a laser diffraction scattering method. Specifically, the average particle size is determined using a laser diffraction particle size distribution measuring device (eg, Shimadzu nanoparticle size distribution measuring device SALD-2100 (trade name)) with a refractive index of 1.60 to 0.101. measured.
  • SALD-2100 Shimadzu nanoparticle size distribution measuring device
  • the content of tobacco particles contained in 100% by mass of the untreated slurry is preferably 1 to 30% by mass, more preferably 5 to 25% by mass, even more preferably 10 to 20% by mass.
  • the content is 1% by mass or more, a sufficient flavor can be imparted to the object to which the tobacco slurry is added. Further, when the content is 30% by mass or less, the viscosity is sufficiently lowered, and the resulting tobacco slurry can be easily sprayed.
  • the untreated slurry may contain only water as a dispersion medium for the tobacco particles, but may also contain water containing an organic compound.
  • the organic compound is water-soluble.
  • the water-soluble organic compound is preferably selected from the group consisting of monohydric alcohols, polyhydric alcohols, sugar alcohols, sugars, polyhydric alcohol esters, and combinations thereof.
  • the organic compound is water-insoluble, it can be dissolved in water by using it together with an amphiphilic organic compound such as methanol.
  • Monohydric alcohols include, for example, monohydric C1 ⁇ C6 aliphatic alcohols, monohydric alcohols having aromatic substituents such as benzyl alcohol, monohydric alcohols containing one or more halogen elements, monohydric alcohols having one or more ether bonds, and the like.
  • Polyhydric alcohol is a general term for compounds having two or more hydroxyl groups in one molecule, and is not particularly limited, but examples include glycerin and propylene glycol.
  • sugar alcohols examples include sorbitol, maltitol, xylitol, erythritol, lactitol, sorbitan, xylose, arabinose, mannose, and trehalose.
  • sugars examples include lactose, sugar, coupling sugar, glucose, enzyme starch syrup, acid-saccharified starch syrup, maltose starch syrup, maltose, isomerized sugar, fructose, reduced maltose, reduced starch syrup, and honey.
  • polyhydric alcohol esters examples include fatty acid polyhydric alcohol esters such as fatty acid triglycerides.
  • a dispersion medium containing water and, if necessary, the organic compound can be used as a medium for wet pulverizing tobacco.
  • a green slurry can be prepared at the same time as milling.
  • an untreated slurry can be prepared by mixing pulverized tobacco particles and a dispersion medium.
  • the content of the organic compound contained in 100% by mass of the untreated slurry is not particularly limited, but is preferably 0.5 to 10% by mass, and 1 to 5% by mass. It is more preferable to have
  • the green slurry according to the present embodiments may also contain various other additives.
  • Other additives include, for example, spearmint leaves, peppermint leaves, tea leaves such as green tea for flavor design, coffee, cocoa, cardamom, menthol, sugar and other food materials, and viscosity adjustment to improve dispersibility.
  • Thickening polysaccharides such as glucan and pectin, food additives such as various emulsifiers, paste agents such as sodium carboxymethylcellulose (CMC), and curing agents for improving handling after addition to tobacco may be mentioned.
  • can One of these may be used, or two or more thereof may be used.
  • the timing of adding other additives is not particularly limited, and may be added to the untreated slurry before heat treatment, or may be added to the tobacco slurry after heat treatment.
  • the addition ratio of other additives is not particularly limited, but the total amount of the tobacco particles and the dispersion medium in the untreated slurry is preferably 90% by mass or more, more preferably 95% by mass or more, of the total amount of the untreated slurry. more preferred.
  • the viscosity of the untreated slurry according to the present embodiment at 25° C. depends on the content of tobacco particles contained in the untreated slurry, but can be, for example, 3 to 6000 cP, It can be from 5 to 200 cP. In this embodiment, the viscosity is measured by a Brookfield viscometer (rotor No. 1, rotation speed 0.1 to 100 rpm).
  • the method for producing tobacco slurry according to this embodiment includes a heat treatment step of heat-treating the untreated slurry at 100° C. or higher and lower than 160° C. for 30 minutes or longer.
  • the heat treatment is performed at 100° C. or more and less than 160° C. for 30 minutes or more, so it is thought that the viscosity-increasing components contained in the untreated slurry can be decomposed and the viscosity of the tobacco slurry can be reduced.
  • the heating is performed at less than 160° C., decomposition of tobacco-derived sugars and the like contained in the untreated slurry can be suppressed, and the tobacco slurry can impart good flavor to tobacco products.
  • the heating temperature in the heat treatment step is 100°C or higher and lower than 160°C, preferably 110 to 155°C, more preferably 120 to 150°C, and even more preferably 130 to 150°C.
  • the heating temperature is 100° C. or higher, the viscosity-increasing components contained in the untreated slurry can be sufficiently decomposed, and the viscosity of the tobacco slurry can be reduced.
  • the heating temperature is less than 160° C., decomposition of tobacco-derived sugars and the like contained in the untreated slurry can be sufficiently suppressed.
  • the heating time in the heat treatment step is 30 minutes or longer, preferably 40 to 300 minutes, more preferably 50 to 240 minutes, and even more preferably 60 to 180 minutes.
  • the heating time is 30 minutes or more, the viscosity-increasing components contained in the untreated slurry can be sufficiently decomposed even when the heating temperature is less than 160°C, and the viscosity of the tobacco slurry can be reduced.
  • the heat treatment is preferably performed under pressure.
  • the pressurization pressure is not particularly limited, but can be, for example, 0.1 MPa or more, and can be 0.2 to 1.2 MPa.
  • heat treatment can be performed under a desired pressure by using an apparatus such as a pressure cooker.
  • the viscosity of the tobacco slurry obtained by the heat treatment step at 25° C. (hereinafter also referred to as viscosity B) is preferably 1 to 100 cP, although it depends on the content of tobacco particles contained in the untreated slurry. More preferably 3 to 70 cP. In particular, when the viscosity at 25°C is 60 cP or less, the tobacco slurry can be easily sprayed. In addition, the viscosity B is a value lower than the viscosity A.
  • the ratio of the viscosity B of the tobacco slurry at 25°C to the viscosity A of the untreated slurry at 25°C is preferably 0.9 or less, more preferably 0.8 or less. , is more preferably 0.7 or less.
  • the lower limit of the range of the ratio is not particularly limited, and the lower the value of the ratio, the better.
  • the method for producing tobacco slurry according to the present embodiment can include other steps in addition to the heat treatment step.
  • Other steps include, for example, a cooling step after the heat treatment step.
  • the tobacco slurry according to this embodiment is produced by the above-described method for producing tobacco slurry according to this embodiment.
  • the tobacco slurry has a low viscosity because it is produced by the method for producing tobacco slurry according to the present embodiment. Therefore, the tobacco slurry can be easily sprayed when added to tobacco products.
  • the tobacco slurry since the tobacco slurry is produced by the method for producing tobacco slurry according to the present embodiment, it contains a large amount of tobacco-derived sugars and the like in an undecomposed state. Therefore, the tobacco slurry can impart good flavor to tobacco products.
  • a method for manufacturing a tobacco product according to this embodiment includes a step of manufacturing a tobacco slurry by the method for manufacturing a tobacco slurry according to the above-described embodiment, and a step of manufacturing a tobacco product to which the tobacco slurry is added. . Since the tobacco product is added with the tobacco slurry according to the present embodiment, it can provide the user with a good flavor.
  • the object to which the tobacco slurry is added is not particularly limited, but examples include freshly harvested tobacco, dried tobacco, flavored tobacco, shredded tobacco, tobacco sheets, and cigarette papers and filters, which are parts constituting tobacco products. , and tipping paper.
  • the varieties of tobacco are not particularly limited, but examples include yellow varieties, burley varieties, orient varieties, native varieties, other Nicotiana-Tabacum varieties, and Nicotiana-Rustica varieties. These cultivars can be used alone, or a plurality of cultivars can be blended and used to obtain the desired flavor. Details of the tobacco varieties are disclosed in "Tobacco Encyclopedia, Tobacco Research Center, March 31, 2009". Flavors added to tobacco are not particularly limited, and examples thereof include menthol.
  • Tobacco cuts are matured tobacco leaves cut into a predetermined size.
  • Ripened tobacco leaves used for shredded tobacco are not particularly limited, but examples include those that have been deboned and separated into lamina and backbone.
  • the shredded tobacco may also be a tobacco sheet cut into a predetermined size (hereinafter also referred to as "shredded tobacco sheet").
  • shredded tobacco can be a blend of shredded tobacco obtained by chopping aged tobacco leaves and shredded tobacco sheets.
  • Tobacco cuts may contain an aerosol base that produces an aerosol smoke.
  • aerosol bases include, but are not limited to, polyhydric alcohols such as glycerin, propylene glycol, sorbitol, xylitol, erythritol, triacetin, 1,3-butanediol, and mixtures thereof.
  • the cut tobacco may contain a flavor such as menthol.
  • a tobacco sheet is obtained by molding a composition containing aged tobacco leaves into a sheet shape.
  • the aged tobacco leaf used for the tobacco sheet is not particularly limited, but examples thereof include those that have been deboned and separated into lamina and backbone.
  • sheet refers to a shape having a pair of substantially parallel main surfaces and side surfaces.
  • a tobacco sheet can be formed by a known method such as a papermaking method, a casting method, or a rolling method.
  • Various tobacco sheets formed by such a method are disclosed in detail in "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009". The steps in each method will be described below, but the tobacco slurry according to this embodiment may be added at any timing in each step.
  • the tobacco slurry may be kneaded into the raw material of the tobacco sheet, or the tobacco slurry may be added to the surface of the manufactured tobacco sheet.
  • a method for forming a tobacco sheet by a papermaking method for example, a method including the following steps can be mentioned.
  • a step of papermaking the mixture of the fiberized residue and the pulp (6)
  • Examples of methods for forming a tobacco sheet by a slurry method include methods including the following steps. (1) A step of mixing water, pulp and binder with ground tobacco to obtain a mixture (homogenization step). (2) A step of thinly spreading (casting) the mixture and drying to form a tobacco sheet.
  • Examples of the method of forming a tobacco sheet by rolling include a method including the following steps. (1) A step of mixing water, pulp and binder with ground tobacco to obtain a mixture (homogenization step). (2) A step of rolling the mixture by putting it into a plurality of rolling rollers. (3) A step of peeling off the rolled product on the rolling roller with a doctor knife, transferring it to a net conveyor, and drying it with a dryer.
  • the method of adding the tobacco slurry of the present embodiment to the object is not particularly limited, but examples thereof include dripping, spraying, coating, impregnation, and the like.
  • the amount of tobacco slurry to be added to the object depends on the content of tobacco particles in the tobacco slurry and the type of object. It is preferable that the amount of tobacco particles contained in the tobacco slurry is 0.01 to 5% by mass with respect to the mass. In addition, when tobacco with a strong flavor is used for the tobacco slurry, the above-mentioned ratio can be set to a smaller amount, such as 0.01 to 0.1% by mass.
  • the tobacco product manufactured by the method according to the present embodiment is not particularly limited, but examples include a combustion type flavor inhaler, a non-combustion heating type flavor inhaler, and the like.
  • a combustion type flavor inhaler and a non-combustion heating type flavor inhaler will be described below, but the tobacco product according to this embodiment is not limited to these.
  • the combustion-type flavor inhaler 1 includes a tobacco-containing segment 2 and a filter segment 3 provided adjacent to the tobacco-containing segment 2 .
  • the tobacco-containing segment 2 includes a tobacco filler 4 and a wrapper 5 wrapped around the tobacco filler 4 .
  • the tobacco slurry according to this embodiment can be added to the tobacco filler 4, for example.
  • the tobacco-containing segment 2 and filter segment 3 are connected by a tipping paper member 6 wound on the tobacco-containing segment 2 and filter segment 3 .
  • the chipping paper member 6 may have ventilation holes in a part of its outer periphery.
  • the number of vent holes may be one or plural, and for example, 10 to 40 vent holes may be formed.
  • the vent holes can be arranged, for example, in a row on the periphery of the tipping paper member 6 in a ring.
  • the plurality of air holes can be arranged at substantially regular intervals.
  • the user can enjoy the flavor of tobacco by igniting the tip of the tobacco-containing segment 2 and sucking the mouthpiece end of the filter segment 3 with the mouth.
  • the tobacco slurry according to the present embodiment is added to the combustion type flavor inhaler 1, the user can enjoy good flavor.
  • the non-combustion heated flavor inhaler 7 shown in FIG. 2 comprises a tobacco-containing segment 8 and a mouthpiece segment 9 .
  • Mouthpiece segment 9 comprises cooling segment 10 , center hole segment 11 and filter segment 12 .
  • the tobacco slurry according to this embodiment can be added to the tobacco-containing segment 8, for example.
  • the tobacco-containing segment 8 is heated, each component contained in the tobacco filling is vaporized, and these are transferred to the mouthpiece segment 9 by inhalation. Then, suction is performed from the ends of the filter segments 12 .
  • the cooling segment 10 can be composed of a cylindrical member 13.
  • the tubular member 13 can be, for example, a paper tube formed by processing cardboard into a cylindrical shape.
  • the tubular member 13 and a mouthpiece lining paper 18, which will be described later, are provided with perforations 14 penetrating both. Due to the presence of the perforations 14, outside air is introduced into the cooling segment 10 during suction. As a result, the vaporized aerosol component generated by heating the tobacco-containing segment 8 comes into contact with the outside air, liquefies due to a decrease in temperature, and forms an aerosol.
  • the diameter (spanning length) of the perforations 14 is not particularly limited, but can be, for example, 0.5 to 1.5 mm.
  • the number of perforations 14 is not particularly limited, and may be one or two or more. For example, multiple perforations 14 may be provided on the circumference of the cooling segment 10 .
  • the center hole segment 11 can be composed of a filling layer 15 having a hollow portion and an inner plug wrapper 16 covering the filling layer 15 .
  • the center hole segment 11 has the function of increasing the strength of the mouthpiece segment 9 .
  • the filling layer 15 is, for example, a rod with an inner diameter of ⁇ 5.0 to ⁇ 1.0 mm filled with cellulose acetate fibers at a high density and hardened by adding 6 to 20% by mass of a plasticizer containing triacetin relative to the mass of cellulose acetate. can be Since the filling layer 15 has a high packing density of fibers, air and aerosol flow only through the hollow portion during suction, and hardly flow inside the filling layer 15 . Since the filling layer 15 inside the center hole segment 11 is a fiber filling layer, the feeling of touch from the outside during use is good.
  • the configuration of the filter segment 12 is not particularly limited, it may be composed of a single or a plurality of packed layers.
  • the outer side of the packing layer may be wrapped with one or more wrapping papers.
  • the per-segment ventilation resistance of the filter segments can be changed as appropriate by the amount of filler, material, etc., with which the filter segments are filled.
  • the ventilation resistance can be increased by increasing the amount of cellulose acetate fiber with which the filter segment is filled.
  • the packing density of the cellulose acetate fiber can be 0.13-0.18 g/cm 3 .
  • the airflow resistance is a value measured by an airflow resistance measuring instrument (trade name: SODIMAX, manufactured by SODIM).
  • the center hole segment 11 and the filter segment 12 are connected by an outer plug wrapper 17.
  • the outer plug wrapper 17 can be, for example, a cylinder of paper.
  • the tobacco-containing segment 8 , cooling segment 10 , connected center hole segment 11 and filter segment 12 are connected by mouthpiece lining paper 18 . These connections can be made, for example, by applying glue such as vinyl acetate glue to the inner surface of the mouthpiece lining paper 18, inserting the three segments, and winding them.
  • the axial direction of the non-combustion heating type flavor inhaler 7 according to the present embodiment, that is, the horizontal length in FIG. 2 is not particularly limited, but is preferably 40 to 90 mm, more preferably 50 to 75 mm. , 50 to 60 mm.
  • the length of the circumference of the non-combustion heating flavor inhaler is preferably 16 to 25 mm, more preferably 20 to 24 mm, even more preferably 21 to 23 mm.
  • the tobacco-containing segment 8 has a length of 20 mm
  • the cooling segment 10 has a length of 20 mm
  • the center hole segment 11 has a length of 8 mm
  • the filter segment 12 has a length of 7 mm.
  • filter segment 12 may be arranged downstream of the cooling segment 10 without using the center hole segment 11 . Since the tobacco slurry according to this embodiment is added to the non-combustion heating type flavor inhaler 7 according to this embodiment, the user can enjoy good flavor.
  • the non-combustion heating flavor inhaler system according to this embodiment can include the non-combustion heating flavor inhaler according to the above-described embodiment, and a heating device that heats the non-combustion heating flavor inhaler.
  • the non-combustion heating flavor inhalation system according to this embodiment may have a configuration other than the non-combustion heating flavor inhaler and the heating device according to this embodiment.
  • FIG. 3(a) shows the state before the non-combustion heating flavor inhaler 7 is inserted into the heating device 19, and FIG. indicates the state of
  • the heating device 19 shown in FIG. 3 includes a body 20, a heater 21, a metal tube 22, a battery unit 23, and a control unit 24.
  • the body 20 has a cylindrical recess 25, and a heater 21 and a metal pipe are provided on the inner side surface of the recess 25 at positions corresponding to the tobacco-containing segments of the non-combustion heating flavor inhaler 7 inserted into the recess 25. 22 are arranged.
  • the heater 21 can be a heater based on electrical resistance, and electric power is supplied from the battery unit 23 according to an instruction from the control unit 24 that performs temperature control, and the heater 21 is heated. The heat emitted from the heater 21 is transferred to the tobacco-containing segment of the non-combustion heating flavor inhaler 7 through the metal pipe 22 with high thermal conductivity.
  • the heating device 19 heats the tobacco-containing segment of the non-combustion-heating flavor inhaler 7 from the outside, but it may heat from the inside. In the case of heating from the inside, it is preferable to use a rigid plate-like, blade-like, or column-like heater without using the metal tube 22 . Examples of such heaters include ceramic heaters in which molybdenum, tungsten, or the like is added to a ceramic substrate.
  • the heating temperature of the heating device is not particularly limited, it is preferably 400°C or lower, more preferably 150°C or higher and 400°C or lower, and even more preferably 200°C or higher and 350°C or lower.
  • the heating temperature indicates the temperature of the heater of the heating device.
  • Tobacco particles having an average particle size of 30 ⁇ m were prepared as follows using a leaf tobacco raw material (mixture of flue-cured tobacco and burley tobacco). Using a cutter mill manufactured by Tokyo Atomizer Co., Ltd., the leaf tobacco raw material was coarsely crushed to 10 mm or less. After that, the crushed leaf tobacco raw material is coarsely pulverized to an average particle size of 100 ⁇ m or less using a CONDUX impact mill manufactured by NETZSCH, and then finely pulverized using an impact type pulverizer CSM manufactured by NETZSCH to obtain tobacco particles having an average particle size of 30 ⁇ m. rice field.
  • a leaf tobacco raw material mixture of flue-cured tobacco and burley tobacco.
  • the leaf tobacco raw material was coarsely crushed to 10 mm or less. After that, the crushed leaf tobacco raw material is coarsely pulverized to an average particle size of 100 ⁇ m or less using a CONDUX impact mill manufactured by NETZSCH, and then finely pulverized using an impact type pulverizer
  • the tobacco particles were mixed with water to obtain an untreated slurry in which the tobacco particles were suspended in water.
  • the content of tobacco particles contained in 100% by mass of the untreated slurry was 14.3% by mass, and the content of water was 85.7% by mass.
  • the viscosity of the untreated slurry (viscosity A) at 25° C. measured using a Brookfield viscometer was 19.9 cP.
  • the untreated slurry was sealed in a pressure vessel and heat-treated at 130°C for 60 minutes.
  • the heat treatment was performed under pressure, and the pressure was 0.3 MPa.
  • the tobacco slurry was obtained by cooling under reduced pressure and taking out from the pressure vessel.
  • the viscosity (viscosity B) of the tobacco slurry at 25° C. was 15.7 cP.
  • the ratio of viscosity B to viscosity A was 0.79. Table 1 shows the results.
  • Example 2 Tobacco particles having an average particle size of 30 ⁇ m were prepared in the same manner as in Example 1. The tobacco particles were mixed with water and liquid sugar to obtain an untreated slurry in which the tobacco particles were suspended in water. The content of tobacco particles contained in 100% by mass of the untreated slurry was 10.2% by mass, the content of water was 85.8% by mass, and the content of liquid sugar was 4.0% by mass. In addition, the viscosity of the untreated slurry (viscosity A) at 25° C. measured using a Brookfield viscometer was 9.3 cP.
  • the untreated slurry was sealed in a pressure vessel and heat-treated at 130°C for 60 minutes.
  • the heat treatment was performed under pressure, and the pressure was 0.3 MPa.
  • the tobacco slurry was obtained by cooling under reduced pressure and taking out from the pressure vessel.
  • the viscosity (viscosity B) of the tobacco slurry at 25° C. was 6.1 cP.
  • the ratio of viscosity B to viscosity A was 0.66. Table 1 shows the results.
  • Tobacco particles having an average particle size of 30 ⁇ m were prepared in the same manner as in Example 1 using a leaf tobacco raw material (flue-cured tobacco). The tobacco particles were mixed with water to obtain a green slurry of tobacco particles suspended in water. The content of tobacco particles contained in 100% by mass of the untreated slurry was 14.3% by mass, and the content of water was 85.7% by mass. Also, the viscosity of the untreated slurry (viscosity A) at 25° C. measured using a Brookfield viscometer was 81.6 cP.
  • the untreated slurry was sealed in a pressure vessel and heat-treated at 100°C for 30 minutes.
  • the heat treatment was carried out under pressure, and the tobacco slurry was obtained by cooling under reduced pressure and removing it from the pressure vessel.
  • the viscosity of the tobacco slurry at 25°C (viscosity B) was 47.6 cP.
  • the ratio of viscosity B to viscosity A was 0.58. Table 1 shows the results.
  • Example 4 A tobacco slurry was prepared in the same manner as in Example 3, except that the heat treatment conditions were changed to 130° C. for 30 minutes.
  • the viscosity of the tobacco slurry at 25°C (viscosity B) was 54.2 cP.
  • the ratio of viscosity B to viscosity A was 0.66. Table 1 shows the results.
  • Example 5 A tobacco slurry was prepared in the same manner as in Example 3, except that the heat treatment conditions were changed to 130° C. for 180 minutes.
  • the viscosity of the tobacco slurry at 25°C (viscosity B) was 62.5 cP. Also, the ratio of viscosity B to viscosity A (viscosity B/viscosity A) was 0.76. Table 1 shows the results.
  • Example 6 A tobacco slurry was prepared in the same manner as in Example 3, except that the heat treatment conditions were changed to 150° C. for 180 minutes.
  • the viscosity (viscosity B) of the tobacco slurry at 25° C. was 44.2 cP.
  • the ratio of viscosity B to viscosity A (viscosity B/viscosity A) was 0.54. Table 1 shows the results.
  • Example 1 A tobacco slurry was prepared in the same manner as in Example 3, except that the heat treatment conditions were changed to 160° C. for 10 minutes.
  • the viscosity (viscosity B) of the tobacco slurry at 25° C. was 56.3 cP.
  • the ratio of viscosity B to viscosity A (viscosity B/viscosity A) was 0.68. Table 1 shows the results.

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

Abstract

L'invention concerne une suspension de tabac qui a une faible viscosité et qui est capable de conférer un bon arôme. L'invention concerne également un procédé de production d'une suspension de tabac, ledit procédé comprenant une étape de traitement thermique d'une suspension non traitée contenant de l'eau et des particules de tabac pendant au moins 30 minutes à une température supérieure ou égale à 100 °C et inférieure à 160 °C.
PCT/JP2022/034918 2021-12-21 2022-09-20 Suspension de tabac, son procédé de production et procédé de production de produit de tabac WO2023119760A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066559A (ja) * 1996-08-01 1998-03-10 R J Reynolds Tobacco Co 風味・芳香化合物を提供する方法
JP2014503227A (ja) * 2011-01-28 2014-02-13 アール・ジエイ・レイノルズ・タバコ・カンパニー タバコ由来の外装組成物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066559A (ja) * 1996-08-01 1998-03-10 R J Reynolds Tobacco Co 風味・芳香化合物を提供する方法
JP2014503227A (ja) * 2011-01-28 2014-02-13 アール・ジエイ・レイノルズ・タバコ・カンパニー タバコ由来の外装組成物

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