WO2019100545A1 - 低温烟及其制备方法 - Google Patents

低温烟及其制备方法 Download PDF

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Publication number
WO2019100545A1
WO2019100545A1 PCT/CN2018/070043 CN2018070043W WO2019100545A1 WO 2019100545 A1 WO2019100545 A1 WO 2019100545A1 CN 2018070043 W CN2018070043 W CN 2018070043W WO 2019100545 A1 WO2019100545 A1 WO 2019100545A1
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Prior art keywords
tobacco
parts
extract
temperature
flavor
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PCT/CN2018/070043
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English (en)
French (fr)
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钟玮
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钟玮
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Publication of WO2019100545A1 publication Critical patent/WO2019100545A1/zh

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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
    • 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
    • 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
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes

Definitions

  • the invention belongs to the technical field of tobacco, and in particular relates to a low temperature cigarette and a preparation method thereof.
  • low-temperature smoke is in a non-combustion state during intermittent suction, which can reduce the harmful components produced by high-temperature combustion cracking of tobacco, and does not affect the public environment.
  • the theoretical basis of low-temperature non-combustible tobacco is that it does not reach the combustion stage of 400-600 °C, which is produced by a large amount of harmful substances, while the heating non-combustion tobacco is pumped below 320 °C, which not only thermally cracks the tobacco leaves, volatilizes the effective substances, but also significantly reduces harmful substances. produce.
  • the technical difficulty lies in: (1) simulating cigarette aerosol; (2) allowing the tobacco to be fully pyrolyzed, and the substance of the aroma nicotine is fully volatilized; (3) the temperature is controlled to be below 400 ° C without burning.
  • the existing low-temperature non-combustion smoke can be divided into a sheet type and a direct processing type of tobacco leaves, which are distinguished from the viewpoint of raw materials.
  • a representative product of flake-type low-temperature non-combustible smoke is Philip Morris International's iQOS, and representative products of the direct processing type of tobacco are British American Tobacco's GLO and Japanese Tobacco's Ploom.
  • the existing low-temperature non-burning tobacco technology still has certain deficiencies: (1)
  • the thin material, that is, the main raw material for reconstituted tobacco leaves, is a tobacco stem. During the production process, a large amount of non-tobacco material is added, which actually reduces the tobacco content.
  • the sensory quality in the process of sucking is relatively more dependent on artificially adding volatile aroma substances, the number is limited, and the taste is not full and full.
  • Some substances that are pyrolyzed and volatilized stimulate the respiratory tract and the suction experience is extremely bad.
  • (3) The final product prepared by the suction material and method for low-temperature non-combustion cigarette provided by the patent of CN 104366687A has large particle spacing, loose structure, low density, and insufficient absorption of propylene glycol and glycerin which generate smoke. Insufficient heat, long-term smoke generation and insufficient concentration make it difficult to achieve the suction feeling of traditional low-tar cigarette products.
  • the first object of the present invention is to provide a low-temperature cigarette which has a compact structure and a full flue gas, which can give the consumer a good satisfaction and make it closer to the smoking habit of the conventional cigarette.
  • a second object of the present invention is to provide a method for preparing low-temperature smoke.
  • the low-temperature smoke obtained by the method has a compact structure, can absorb more atomizing agent, generate a large amount of smoke, and is favorable for heating temperature conduction and shortening.
  • the aspirator waits for time, making the smoking experience closer to traditional cigarettes.
  • the present invention provides a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of (5-10): (1-4).
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of (6-8): (2 ⁇ 3);
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 7:3.
  • the tobacco carrier 100 parts of the tobacco carrier, 15 to 30 parts of the flavor extract, 1 to 2 parts of the tobacco flavor, and 2 to 8 parts of the atomizing agent.
  • Further preferred embodiments further include 1 to 20 parts by weight of the binder and 1 to 20 parts by weight of the humectant;
  • it further comprises 5 to 10 parts by weight of the binder and 5 to 10 parts by weight of the humectant.
  • the flavor extract includes Virginia tobacco extract, Virginia tobacco net oil, brown sugar, white sugar, burley tobacco extract, plum extract, gardenia extract, platycodon grandiflorum extract, licorice extract, and overlay.
  • the atomizing agent comprises an ester derivative of a polyhydric alcohol or a polyhydric alcohol, preferably a polyhydric alcohol, further preferably in the form of propylene glycol, glycerin, triethylene glycol, 1,3-butylene glycol or polyethylene glycol.
  • a mixture of one or more is still more preferably a mixture of propylene glycol and glycerin.
  • the present invention also provides a method for preparing the above low temperature smoke, comprising the steps of:
  • the tobacco carrier After pretreating the tobacco carrier, it is uniformly mixed with the flavor extract, the tobacco flavor and the atomizing agent;
  • the pretreatment of the tobacco carrier comprises: pulverizing the tobacco carrier into a powder, and screening out powder particles having a particle size of 80 to 150 mesh, preferably powder particles of 90 to 140 mesh, further preferably powder particles of 100 to 120 mesh. .
  • the granulation process is: forming the mixed raw material into a stick-shaped particle having a length of 0.4 to 4 mm and a diameter of 0.2 to 0.8 mm by a granulator, preferably having a length of 0.5 to 3 mm, and a diameter.
  • the stick-shaped particles of 0.24 to 0.78 mm are more preferably stick-shaped particles having a length of 1 to 3 mm and a diameter of 0.24 to 0.6 mm.
  • the shape of the formed product includes a cylindrical shape, a cube shape and a sheet shape by screw machine extrusion or die pressing, wherein the cylindrical shape includes a solid cylindrical shape, a hollow cylindrical shape, and a peripheral air.
  • the solid cylindrical shape and the outer peripheral air are hollow cylindrical
  • the cubic shape includes a solid cubic shape, a hollow cubic shape, a peripheral long empty intermediate solid cubic shape, and a peripheral aerial empty cubic shape
  • the sheet shape includes a circular shape and a polygonal shape. And round and polygonal perforated sheets.
  • the drying temperature is 80 to 90 ° C, preferably 82 to 88 ° C, more preferably 85 to 86 ° C; and the drying time is 4 to 10 h, preferably 5 to 8 h, further Preferably it is 6-7h;
  • the tobacco is sprayed on the semi-finished product obtained by drying, and is placed at a temperature of 20 to 28 ° C and a humidity of 50% to 70% for 40 to 60 hours, preferably The mixture is allowed to stand at a temperature of 21 to 26 ° C and a humidity of 55% to 65% for 45 to 55 hours, and more preferably for 48 to 50 hours at a temperature of 22 to 24 ° C and a humidity of 60% to 62%.
  • the semi-finished product obtained by replenishing the moisture is packaged into a capsule-type cartridge or a cigarette-type cartridge by using a material having good thermal conductivity.
  • the invention adopts tobacco leaves and tobacco stems as raw materials for tobacco carrier, and the tobacco carrier has excellent absorption performance by adjusting the ratio of tobacco leaves and stems.
  • the flavor components in tobacco leaves and stems are different.
  • the sensory quality of the flue gas is significantly improved, giving the consumer a better satisfaction;
  • adding an appropriate proportion of the flavor extract to the tobacco carrier The spice extract is coordinated with the tobacco leaves and the tobacco stems, so that the smoke is full, the aroma is rich, and the satisfaction is good; in addition, an appropriate amount of tobacco flavor and an atomizing agent are added, and the tobacco carrier is absorbed and enriched in the flavor extraction.
  • tobacco flavors and atomizers it is used under low temperature heating conditions.
  • the flue gas is realistic, the flavor is coordinated, and the aftertaste is long. It gives the unique quality of heating non-combustible low temperature smoke.
  • the low-temperature tobacco raw material of the invention has the advantages of low price, safety and environmental protection, compact structure, and good air permeability in the case of high compactness, full flue gas, good satisfaction, and can provide consumers with a It is closer to the traditional smoking/cigarette smoking experience; it compensates for the lack of aroma of heated non-combustible tobacco products, the taste is not full, true, and the suction experience is not good, which solves the problem that tobacco is difficult to highlight tobacco to a large extent.
  • the scent of the puzzle is the advantages of low price, safety and environmental protection, compact structure, and good air permeability in the case of high compactness, full flue gas, good satisfaction, and can provide consumers with a It is closer to the traditional smoking/cigarette smoking experience; it compensates for the lack of aroma of heated non-combustible tobacco products, the taste is not full, true, and the suction experience is not good, which solves the problem that tobacco is difficult to highlight tobacco to a large extent.
  • the scent of the puzzle is the advantages of low price, safety and
  • the preparation method of the low-temperature cigarette of the invention has the advantages of dense structure, can absorb more atomizing agent, generate a large amount of smoke, and is favorable for heating temperature conduction, improving heat uniformity and heating. Area and rapid formation of smoke at lower temperatures, shortening consumer waiting time; and the same volume of tobacco is more mass, thermal cracking and volatile substances are produced more, making the smoking experience closer to traditional smoke.
  • the method has the characteristics of simple operation, low cost and strong maneuverability, and is convenient for large-scale industrial production, and has a good application prospect in the field of heating non-combustion tobacco products.
  • FIG. 1 is a process flow diagram of a method for preparing low temperature smoke according to an embodiment of the present invention
  • FIG. 2 is a process flow diagram of another method for preparing low temperature smoke according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a low temperature cigarette according to Embodiment 12 of the present invention.
  • FIG. 4 is a schematic structural view of a low temperature cigarette according to Embodiment 13 of the present invention.
  • FIG. 5 is a schematic structural view of a low temperature cigarette according to Embodiment 14 of the present invention.
  • the present embodiment provides a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of (5-10): (1-4).
  • the low-temperature cigarette of the invention belongs to a heating/low-temperature non-combustion type tobacco product, can reduce harmful components generated by high-temperature combustion cracking of tobacco, does not affect the public environment, and is a low-risk, tobacco-flavored fragrance and other flavors. Tobacco products.
  • the invention adopts tobacco leaves and tobacco stems as raw materials for tobacco carrier, and adjusts the ratio of tobacco leaves and stems so that the mass ratio of tobacco leaves and stems is between (5-10): (1 ⁇ 4), thereby making tobacco
  • the carrier has excellent absorption properties and the sensory quality of the smoke is significantly improved.
  • the tobacco carrier absorbs and enriches the flavor extract, the tobacco flavor and the atomizing agent by adding an appropriate proportion of the flavor extract, the tobacco flavor and the atomizing agent on the tobacco carrier. After the substance is used, it is used under low temperature heating conditions, the smoke is realistic, the satisfaction is good, the fragrance is coordinated, and the aftertaste is long.
  • the present invention selects two raw materials of tobacco leaves and tobacco stems as tobacco carriers, and has repeatedly tested the proportion of suitable tobacco leaves and stems through various experiments, so that the sensory quality of the flue gas is obvious. It is improved, the quality is more alcoholic, and a special spice extract is added.
  • the spice extract is coordinated with the tobacco leaves and the stems, and synergistically cooperates with each other.
  • the aroma is rich and mellow, and the smoke and the satisfaction of the smoke are also improved. At the same time, it can also show the tobacco flavor to a greater extent, providing a feeling closer to traditional smoke.
  • the low-temperature tobacco raw material of the invention has the advantages of low price, safety and environmental protection, compact structure, high density and high air permeability, full flue gas, good satisfaction, and can provide consumers with a closer to the traditional smoke/ The smoking experience of cigarettes.
  • the invention not only alleviates the defects of loose structure, low density, insufficient heat, long time of generating smoke and insufficient concentration of the suction material for low-temperature non-burning cigarettes, but also compensates for the lack of aroma of the existing low-temperature non-burning smoke.
  • the lack of taste is full, true, and the poor experience of the suction experience, to a large extent, solves the problem that the electronic cigarette is difficult to highlight the tobacco flavor.
  • the typical but non-limiting content of the tobacco carrier is 90 parts, 92 parts, 94 parts, 95 parts, 96 parts, 98 parts, 99 parts, 100 parts, 101 parts, 102 parts by weight.
  • 104 parts, 105 parts, 106 parts, 108 parts or 110 parts typical, but not limited to, flavor extracts are: 5 parts, 6 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts , 22 parts, 25 parts, 28 parts, 30 parts, 32 parts, 35 parts, 38 parts, 40 parts, 42 parts or 45 parts;
  • typical but non-limiting content of tobacco flavors 0.2 parts, 0.5 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.5 parts, 1.6 parts, 1.8 parts, 2 parts, 2.2 parts, 2.5 parts, 2.8 parts, 3 parts, 3.2 parts, 3.5 parts, 3.8 parts, 4 parts, 4.2 parts , 4.5 parts, 4.8 parts or 5 parts; typical, but non-limiting content of atomizing agent: 0.5 parts, 1 part, 1.5 parts,
  • the mass ratio of tobacco leaves and stems is typically but not limited to: 5:1, 5:2, 5:3, 5:4, 6:1, 6:2, 6:3, 6:4 , 7:1, 7:2, 7:3, 7:4, 8:1, 8:2, 8:3, 8:4, 9:1, 9:2, 9:3, 9:4, 10 : 1, 10: 2, 10: 3 or 10: 4.
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of (6-8): (2 ⁇ 3);
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 7:3.
  • the tobacco carrier 100 parts of the tobacco carrier, 15 to 30 parts of the flavor extract, 1 to 2 parts of the tobacco flavor, and 2 to 8 parts of the atomizing agent.
  • the smoke By reasonably adjusting the mass ratio of tobacco leaves and stems, and the ratio between the tobacco carrier and the flavor extract, the tobacco flavor and the atomizing agent, the smoke can be further full, the smoke satisfaction can be improved, and the flavor can be coordinated. Higher smoking comfort, optimized quality and reduced costs.
  • it further comprises 5 to 10 parts by weight of the binder and 5 to 10 parts by weight of the humectant.
  • the binder is a starch adhesive;
  • the humectant is a starch humectant for tobacco.
  • the binder in the present invention may be a starch adhesive, but is not limited thereto, and may be other types of binders commonly used in the art, such as natural and/or modified starch, white latex.
  • binders commonly used in the art, such as natural and/or modified starch, white latex.
  • the humectant in the present invention may be a starch humectant for tobacco, but is not limited thereto, and may be other types of humectants commonly used in the art, for example, honey, propylene glycol, glycerin, sorbitol.
  • xylitol and the like.
  • the addition of a binder and a humectant to the raw material of the low-temperature tobacco can improve the processing resistance of the tobacco, improve the stability, reduce the pulverization of the tobacco carrier during the processing, reduce the consumption of the tobacco carrier, optimize the product quality, and also It can improve the taste and reduce the stimulation of smoke, and it can improve the physical and moisturizing of tobacco and sensory moisturizing.
  • the binder is typically, but not limited to, 1 part, 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts by weight. Parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts or 20 parts; typical but non-limiting content of humectant: 1 part, 2 parts, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 Or 20 copies.
  • the flavor extract comprises Virginia tobacco extract, Virginia tobacco net oil, brown sugar, white sugar, burley tobacco extract, plum extract, gardenia extract, platycodon grandiflorum extract, licorice Extract, raspberry extract, perilla extract, lemongrass extract, rose extract, jasmine extract, chrysanthemum extract, stevia extract, lemongrass extract, peppermint extract, chicory extract, fragrant a mixture of one or more of the pod bean extracts;
  • the atomizing agent comprises an ester derivative of a polyhydric alcohol or a polyhydric alcohol, preferably a polyhydric alcohol, further preferably in the form of propylene glycol, glycerin, triethylene glycol, 1,3-butylene glycol or polyethylene glycol.
  • a mixture of one or more is still more preferably a mixture of propylene glycol and glycerin.
  • the flavor extract in the present invention preferably adopts one or more of the above, but is not limited thereto, and may also be concentrated juice, sweet-scented osmanthus oil, gardenia essential oil, jasmine essential oil, and Luo Han Guo extract. , scorpion extract, platycodon extract, lotus leaf extract, and other types of extracts of spiced plants, medicinal plants and floral plants.
  • the type and source of the perfume used in the tobacco flavor in the present invention are not particularly limited, and a tobacco flavor well known to those skilled in the art can be used.
  • the flavor of the tobacco flavor is vanillin, benzoic acid, phenylacetic acid, 10% Peruvian extract, 5% tree moss extract, 90% clove oil, anisaldehyde, 10% pineapple ketone, Benzyl alcohol, phenylethyl alcohol, tolyl ethyl ketone, ethyl phenylacetate, bell pepper plum extract, phenylacetaldehyde, acetophenone, angelica lactone, farnesone, dodecanoic acid, isovaleric acid, benzyl butyrate, xin Alcohol, tetramethylpyrazine, citric acid, ethyl maltol, sclareol, fig extract, apple juice, palmitic acid, eugenol, ethyl maltol, dihydrodamascone, 2-acetylpyridine, a mixture of one or more of 4-hydroxy-2,5-dimethyl-3(2H)furanone; the
  • the present embodiment provides a method for preparing the low temperature smoke described above, comprising the following steps:
  • the tobacco carrier After pretreating the tobacco carrier, it is uniformly mixed with the flavor extract, the tobacco flavor and the atomizing agent;
  • the preparation method provided by the invention removes the irritating substance generated during heating in advance, and improves the suction quality.
  • the suction material prepared by the preparation method is compact in structure, can absorb more propylene glycol and glycerin, generates a large amount of smoke, and is favorable for heating temperature conduction, improving heat uniformity and heat receiving area and rapidly forming smoke at a lower temperature. Shorten the waiting time of consumers; the quality of tobacco in the same volume is greater, and the thermal cracking and volatile substances are more generated, making the smoking experience closer to traditional smoke.
  • the invention combines the improved operation method and the process parameters with the new formula, that is, pretreats and selects the tobacco carrier particles with suitable particle size under the suitable ratio of tobacco leaves and stems, and then adds appropriate amount of spice extract, etc.
  • the molding is carried out by granulation or press molding, so that the suction material structure can be densely packed, more atomizing agent can be absorbed, and then the low temperature smoke can be obtained by drying, scenting and packaging, so that the tobacco aroma is more natural. Fine, rich in layers and smoked alcohol; thus, while improving the sensory quality of the flue gas, giving consumers a good sense of satisfaction, reducing costs and enhancing their adaptability in heating non-combustible tobacco products.
  • the method has the characteristics of simple operation, low cost and strong maneuverability, and is convenient for large-scale industrial production.
  • an appropriate amount of purified water may be added during the mixing of the raw materials, and the amount of pure water added is appropriately added according to actual needs, and an appropriate amount of binder and humectant are added.
  • the pretreatment of the tobacco carrier comprises: pulverizing the tobacco carrier into a powder, and screening the powder particles having a particle size of 80 to 150 mesh, preferably 90 to 140 mesh powder particles, further preferably 100 to 120 mesh powder particles.
  • the invention firstly pulverizes the tobacco leaves and the tobacco stem into powder, and then the powder is made into a powder particle of a certain particle size by microwave expansion, and then the powder particles having a particle size of 80-150 mesh are selected from the powder particles, preferably Powder particles of 100 to 120 mesh. It will be appreciated that the manner in which the particles are formed may be by microwave expansion, but is not limited thereto, and other means well known to those skilled in the art may also be employed.
  • the invention By screening out tobacco leaves and stem granules of a specific fineness, the invention not only facilitates the subsequent processing, but also significantly reduces the lignin gas and other miscellaneous gases in the tobacco carrier raw material, and improves the smoking quality.
  • the particle size of the powder particles is 80 mesh, 90 mesh, 100 mesh, 102 mesh, 104 mesh, 105 mesh, 106 mesh, 108 mesh, 110 mesh, 112 mesh, 114 mesh, 115. Head, 116 mesh, 118 mesh, 120 mesh, 130 mesh, 140 mesh or 150 mesh.
  • the granulation process is: forming the mixed raw material into a stick-shaped granule having a length of 0.4 to 4 mm and a diameter of 0.2 to 0.8 mm by a granulator, preferably having a length of 0.5.
  • the stick-like particles of ⁇ 3 mm and having a diameter of 0.24 to 0.78 mm are more preferably stick-shaped particles having a length of 1 to 3 mm and a diameter of 0.24 to 0.6 mm.
  • the shape of the formed product includes a cylindrical shape, a cube shape and a sheet shape by screw machine extrusion or die pressing, wherein the cylindrical shape includes a solid cylindrical shape, a hollow cylindrical shape, and a peripheral air.
  • the solid cylindrical shape and the outer peripheral air are hollow cylindrical
  • the cubic shape includes a solid cubic shape, a hollow cubic shape, a peripheral long empty intermediate solid cubic shape, and a peripheral aerial empty cubic shape
  • the sheet shape includes a circular shape and a polygonal shape. And round and polygonal perforated sheets.
  • the invention adopts the method of granulation or press molding to form the mixed mixture into a shaped semi-finished product, wherein the granulation process is to granulate the mushy semi-finished product obtained by mixing by using a granulator to obtain a certain length and diameter.
  • the stick-shaped particles have good particle shape and uniform particle size distribution, which is favorable for preparing the suction material with high density, so that the product structure is dense, the heat is sufficient, the smoke generation time is short and the concentration is sufficient; and the obtained stick-shaped particles can be used. It is similar to the packaging method of cigarettes, which is simple, practical and convenient.
  • the stick-shaped particles have a length of 0.4 mm, a diameter of 0.2 mm, or a length of 4 mm, a diameter of 0.8 mm, or a length of 0.5 mm, a diameter of 0.24 mm, or a length of 1 mm.
  • the diameter is 0.2 mm, or the length is 3 mm, the diameter is 6.8 mm, or the length is 3 mm, and the diameter is 0.78 mm.
  • the present invention also adopts a specific molding process for press forming, and the shape of the product obtained by the screw machine extrusion or the mold press molding includes various shapes such as hollow and solid cylindrical shapes, hollow and solid cube shapes, hollow and solid. Cylindrical perforations, hollow and solid cubes perforated, round and polygonal sheets, circular and polygonal perforated sheets, etc.; the cylindrical shape may also be stick-shaped or rod-shaped.
  • the invention can improve the heating area and the heat uniformity of the suction material by the above-mentioned granulation process or the setting of the press molding process, has a compact structure, and can have both high density and high gas permeability, and rapidly forms smoke at a lower temperature. Shorten the waiting time of consumers, the sensory quality of the smoke is obviously improved, and the smoke is satisfied.
  • the drying temperature is 80 to 90 ° C, preferably 82 to 88 ° C, further preferably 85 to 86 ° C; and the drying time is 4 to 10 h, preferably 5 ⁇ 8h, further preferably 6-7h;
  • the tobacco is sprayed on the semi-finished product obtained by drying, and is placed at a temperature of 20 to 28 ° C and a humidity of 50% to 70% for 40 to 60 hours, preferably The mixture is allowed to stand at a temperature of 21 to 26 ° C and a humidity of 55% to 65% for 45 to 55 hours, and more preferably for 48 to 50 hours at a temperature of 22 to 24 ° C and a humidity of 60% to 62%.
  • drying is carried out using an electric blast drying oven.
  • the smoke is evenly sprayed with a sprayer, and then placed in a constant temperature and humidity chamber and allowed to stand at a certain temperature and humidity.
  • the tobacco flavor is selected from the group consisting of one or a mixture of at least two of mullein extract, vanilla extract, allspice extract, almond extract or lemon extract.
  • the tobacco has a mass concentration of 1% to 3%.
  • the quality of the surface of the sprayed tobacco is 0.05% to 0.2% of the mass of the semi-finished product obtained by drying.
  • the invention uses the specific drying temperature and drying time to dry the formed suction material, can enhance the compactness of the structure while maintaining the mouthfeel of the tobacco product, avoiding the introduction of impurities, and increasing the irritating and other negative effects.
  • the scent that is, the setting of the scenting and regaining step
  • the aroma of the tobacco can be made more natural, delicate, rich in layers and mellow.
  • the drying temperature is 80 ° C, 81 ° C, 82 ° C, 83 ° C, 84 ° C, 85 ° C, 86 ° C, 87 ° C, 88 ° C, 89 ° C or 90 ° C; drying time is 4h, 5h, 6h, 7h, 8h, 9h or 10h.
  • the temperature is 20 ° C, 21 ° C, 22 ° C, 23 ° C, 24 ° C, 25 ° C, 26 ° C, 27 ° C or 28 ° C
  • humidity is 50%, 52%, 55 Placed at 40h, 42h, 44h, 45h, 46h, 48h under conditions of %, 56%, 58%, 59%, 60%, 61%, 62%, 64%, 65%, 66%, 68% or 70%, 49h, 50h, 52h, 54h, 55h, 56h, 58h or 60h.
  • the semi-finished product obtained by replenishing the moisture is packaged into a capsule type or a cigarette type by using a material having good thermal conductivity.
  • the material with good thermal conductivity is aluminum foil composite paper or aluminum foil for barbecue.
  • the invention obtains a semi-finished product by adding a fragrance to the moisture, and is wrapped with a material with good thermal conductivity to form a capsule-type cartridge; or a roll of paper is wrapped with a solid tow, a cooling material and a hollow tow to form a cigarette-type cartridge. Or use a cigarette-like packaging method.
  • the method for preparing the low temperature smoke comprises the following steps:
  • step (b) fully mixing the powder particles obtained in the step (a) with the flavor extract, the tobacco flavor, the atomizing agent and the purified water, and optionally the binder and the humectant, to obtain a paste-like semi-finished product;
  • step (c) using the paste-like semi-finished product obtained in the step (b), using a granulator to form stick-shaped particles having a length of 0.5 to 3 mm and a diameter of 0.24 to 0.78 mm;
  • step (d) The stick-shaped particles obtained in the step (c) are placed in an electric blast drying oven for drying, the drying temperature is 85-86 ° C, and the drying time is 6-7 h;
  • step (e) uniformly spraying the tobacco with the surface fragrance on the semi-finished product obtained by the step (d), and then placing it in a constant temperature and humidity chamber at a temperature of 22 to 24 ° C and a humidity of 60% to 62%. ⁇ 50h;
  • the scented resurgence semi-finished product obtained in the step (e) is wrapped with a material having good thermal conductivity to form a capsule-type cartridge; or it is wrapped with a solid paper bundle, a cooling material, and a hollow tow.
  • a cigarette-type cartridge is wrapped with a material having good thermal conductivity to form a capsule-type cartridge; or it is wrapped with a solid paper bundle, a cooling material, and a hollow tow.
  • the method for preparing the low temperature smoke comprises the following steps:
  • step (b) fully mixing the powder particles obtained in the step (a) with the flavor extract, the tobacco flavor, the atomizing agent and the purified water, and optionally the binder and the humectant, to obtain a paste-like semi-finished product;
  • the paste-like semi-finished product obtained in the step (b) is extruded by a screw machine or a press-molded product, and the shape of the formed product includes a solid cylindrical shape, a hollow cylindrical shape, a peripheral long hollow intermediate solid cylindrical shape, and a peripheral aerial hollow cylinder.
  • step (d) The molded product obtained in the step (c) is placed in an electric blast drying oven for drying, the drying temperature is 85-86 ° C, and the drying time is 6-7 h;
  • step (e) uniformly spraying the tobacco with the surface fragrance on the semi-finished product obtained by the step (d), and then placing it in a constant temperature and humidity chamber at a temperature of 22 to 24 ° C and a humidity of 60% to 62%. ⁇ 50h;
  • the scented resurgence semi-finished product obtained in the step (e) is wrapped with a material having good thermal conductivity to form a capsule-type cartridge; or it is wrapped with a solid paper bundle, a cooling material, and a hollow tow.
  • a cigarette-type cartridge is wrapped with a material having good thermal conductivity to form a capsule-type cartridge; or it is wrapped with a solid paper bundle, a cooling material, and a hollow tow.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 5:1; the flavor extract is Virginia tobacco extract; and the atomizing agent is a mixture of propylene glycol and glycerin.
  • the present invention has no particular limitation on the kind and source of the flavor of the tobacco to be used, and the flavor of the tobacco which is well known to those skilled in the art can be used; in this embodiment, the flavor of the tobacco is eugenol, ethyl maltol, dihydrogen A mixture of ketone, 2-acetylpyridine, 4-hydroxy-2,5-dimethyl-3(2H)furanone and ethanol.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 6:1;
  • the flavor extract, the atomizing agent and the flavor for tobacco were the same as in Example 1.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 8:3;
  • the flavor extract, the atomizing agent and the flavor for tobacco were the same as in Example 1.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 7:3;
  • the flavor extract, the atomizing agent and the flavor for tobacco were the same as in Example 1.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • tobacco carrier 100 parts of tobacco carrier, 25 parts of spice extract, 2 parts of tobacco flavor, 6 parts of atomizing agent, 5 parts of starch adhesive and 5 parts of tobacco starch humectant;
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 7:3;
  • the flavor extract, the atomizing agent and the flavor for tobacco were the same as in Example 1.
  • a low temperature smoke which is mainly prepared from the following raw materials by weight:
  • tobacco carrier 100 parts of tobacco carrier, 30 parts of spice extract, 2 parts of tobacco flavor, 8 parts of atomizing agent, 10 parts of starch adhesive and 10 parts of tobacco starch humectant;
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 7:3;
  • the flavor extract, the atomizing agent and the flavor for tobacco were the same as in Example 1.
  • a low temperature smoke which differs from Example 6 in that the flavor extract is rose extract, jasmine extract, chrysanthemum extract, stevia extract, lemongrass extract, peppermint extract, chicory extract and vanilla a mixture of bean extracts.
  • a low temperature smoke differs from Example 6 in that the flavor extract is a mixture of Virginia tobacco net oil, brown sugar, white sugar, burley tobacco extract and plum extract.
  • a low temperature smoke differs from Example 6 in that the atomizing agent is a mixture of propylene glycol and triethylene glycol.
  • the preparation method of the low temperature smokes described in Examples 1 to 9 includes the following steps:
  • step (b) fully mixing the powder particles obtained in the step (a) with the flavor extract, the tobacco flavor, the atomizing agent and the purified water, and optionally the binder and the humectant, to obtain a paste-like semi-finished product;
  • step (c) using the paste-like semi-finished product obtained in the step (b), using a granulator to form stick-shaped particles having a length of 3 mm and a diameter of 0.78 mm;
  • step (d) The stick-shaped particles obtained in the step (c) are placed in an electric blast drying oven for drying, the drying temperature is 85 ° C, and the drying time is 6 h;
  • step (e) uniformly spraying the tobacco with the table top in the semi-finished product obtained by the step (d), and then placing it in a constant temperature and humidity chamber at a temperature of 22 ° C and a humidity of 60% for 48 hours;
  • the flavored and respirable semi-finished product obtained in the step (e) is wrapped with a solid tow, a temperature-lowering material, and a hollow fiber bundle, and is formed into a cigarette-type cartridge.
  • the particle size of the powder particles in step (a) is 120 mesh;
  • the stick-like particles in the step (c) have a length of 1 mm and a diameter of 0.56 mm.
  • step (e) it was allowed to stand under the conditions of a temperature of 24 ° C and a humidity of 65% for 50 hours.
  • this embodiment provides another method for preparing low-temperature smoke.
  • the difference between the present embodiment and the method for preparing low-temperature smoke in Embodiment 6 lies in the molding and packaging process.
  • this embodiment :
  • the paste-like semi-finished product obtained in the step (b) is extruded by a screw machine or a die-molded product, and the formed product has a cylindrical shape, and the cylindrical shape includes a solid cylindrical shape, a hollow cylindrical shape, and a peripheral space.
  • Solid cylindrical shape and peripheral air-to-air cylindrical shape the schematic structure of the cylindrical shaped product is shown in Figure 3;
  • the flavored resurgence semi-finished product obtained in the step (e) is wrapped with a material having good thermal conductivity to form a capsule type cartridge.
  • the paste-like semi-finished product obtained in the step (b) is formed by a screw machine extrusion or a die press molding, and the formed product has a cubic shape, and the cube shape includes a solid cube, a hollow cube shape, and a peripheral long and hollow intermediate solid.
  • the schematic structure of the cube-shaped and peripheral multi-air hollow cube-shaped, cubic-shaped molded product is shown in Fig. 4.
  • the paste-like semi-finished product obtained in the step (b) is formed by a screw machine extrusion or a die press molding, and the formed product has a shape of a sheet, and the sheet shape includes a circular sheet shape and a circular perforated sheet shape.
  • a schematic structural view of a sheet-shaped molded product is shown in FIG.
  • Example 6 Compared with Example 6, the only difference is that the low temperature smoke is mainly prepared from the following raw materials by weight:
  • Example 6 Compared with Example 6, the only difference is that the low temperature smoke is mainly prepared from the following raw materials by weight:
  • the content of the tobacco carrier in this comparative example is not within the scope of the present invention.
  • the tobacco carrier comprises tobacco leaves and stems having a mass ratio of 12:1;
  • the mass ratio of tobacco leaves and stems in this comparative example is outside the scope provided by the present invention.
  • the tobacco carrier comprises a mixture of tobacco leaves, stems, cut tobacco, tobacco and tobacco straw;
  • the components of the tobacco carrier in this comparative example are not within the scope of the present invention.
  • the difference is only that the particle size of the powder particles in the step (a) is 40 mesh in the preparation process;
  • the particle size of the selected powder particles in the present comparative examples is not within the scope of the present invention.
  • Example 6 Compared with Example 6, the only difference is that during the preparation, the granulation process of the step (c) is replaced with a press-form which is commonly used in the prior art.
  • the preparation method of the low temperature smoke in the present comparative example is out of the scope provided by the present invention.
  • the step (f) is omitted, that is, the process of flavoring and resurgence is omitted.
  • the preparation method of the low temperature smoke in the present comparative example is out of the scope provided by the present invention.
  • Characteristics of smoke 1 to 4 points means low smoke concentration, strong head, poor smoke formation, rough; 5 to 7 points means that the concentration of smoke is sufficient, the head is moderate, the smoke is soft; 8 to 10 points means smoke. The concentration is sufficient, the head is moderate, the smoke is soft and delicate;
  • Aroma characteristics 1 to 4 points indicate aroma quality difference, aroma amount is dull, heavy gas is heavy, and the aroma is not full; 5 to 7 points means that the aroma is better, the aroma is more sufficient, slightly more heterogeneous, and the aroma is full; 8 ⁇ 10 points means that the aroma is good, the aroma is sufficient, there is no gas, and the aroma is full;
  • 1 to 4 points means that the smoke is irritating, the acidity is heavy, and the aftertaste is poor; 5 to 7 points means that the smoke is more irritating, slightly sour or slightly sweet and sour, and the aftertaste is more comfortable; 8 to 10 points means The smoke is irritating, the taste is cool, and the aftertaste is pure and comfortable.
  • Example 4 9 8 10 Example 5 10 9 9 Example 6 10 10 10 Example 7 10 8 10 Example 8 10 9 9 Example 9 9 10 10 Example 10 9 10 9 Example 11 9 9 9 9 Example 12 9 10 10 Example 13 9 10 10 Example 14 9 10 8 Comparative example 1 6 6 5 Comparative example 2 5 5 5 5 Comparative example 3 3 4 4 Comparative example 4 3 2 2 Comparative example 5 3 3 3 Comparative example 6 4 3 3 Comparative example 7 5 1 3
  • the low temperature smoke provided in Examples 1-14 is superior to the comparative examples 1-7 in the evaluation results of smoke, aroma and mouthfeel, and the low temperature smoke of the present invention can satisfy the market and consumers in sensory quality.
  • the aftertaste is pure and comfortable, and the adaptability in heating non-combustible tobacco products is obviously enhanced.
  • the preparation method of the present invention comprehensively considers the properties of each raw material and the characteristics of the heated non-combustible tobacco product, and the various operating parameters and processes cooperate with each other to prepare the preparation.
  • the process is more scientific and reasonable, and under the specific particle size of the tobacco carrier, it can produce low-temperature smoke with better quality, which can meet the needs of most people.

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Abstract

一种低温烟，主要由以下重量份的原料制备而成：烟草载体90～110份、香料提取物5～45份、烟用香精0.2～5份和雾化剂0.5～15份；其中，所述烟草载体包括质量比为(5～10)：(1～4)的烟草叶片和烟梗。所述低温烟结构密实，能够吸收更多的雾化剂，产生大量的烟雾，并且有利于加热温度传导，缩短抽吸者等待时间，使得吸食体验更接近于传统卷烟。

Description

低温烟及其制备方法
相关申请的交叉引用
本申请要求于2017年11月27日提交中国专利局的申请号为CN2017112036525、名称为“低温烟及其制备方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于烟草技术领域，具体涉及一种低温烟及其制备方法。
背景技术
由于香烟对人体和环境的严重危害性，近年来，世界卫生组织和社会公众对于香烟的危害性更加关注，随着全球性控烟运动的不断发展，烟草公司和行业受到了政府严厉管控和社会谴责,传统香烟的发展也遇到了极大地挑战。因此，烟草行业迫切需要研究开发既能满足消费者需要，又相对健康、安全环保、有害物质显著降低的新型烟草制品。其中，低温非燃烧烟草制品以其降焦减害、环境友好、满足感强的特点而备受关注。低温烟的研究开发已经成为当前烟草领域的关注热点，国际烟草公司菲莫国际、日本烟草、英美烟草等均推出各自产品；在我国国内，以各省中烟烟草研究院为主力，也对低温烟进行了大量基础性研究。
低温烟与常规烟不同，它在抽吸间歇时处于非燃烧状态，能够减少烟草高温燃烧裂解产生的有害成分，不会对公共环境产生影响。低温非燃烧烟草的理论依据是，不达到有害物质大量产生的400-600℃燃烧阶段，而加热不燃烧烟草在320℃以下抽吸，既让烟叶热裂解，有效物质挥发，又显著降低有害物质产生。其中的技术难度在于：(1)模拟香烟气雾；(2)让烟叶充分热裂解、香气尼古丁的物质充分挥发；(3)温度控制在400℃以下不燃烧。
现有的低温非燃烧烟，从原料的角度区分，可分为薄片型和烟叶直接加工型。薄片型低温非燃烧烟的代表性产品是菲莫国际的iQOS，烟叶直接加工型的代表性产品是英美烟草的GLO和日本烟草的Ploom。然而，现有的低温非燃烧烟技术，还存在着一定的不足之处：(1)薄片也就是再造烟叶主要原料是烟梗，制作过程中大量添加非烟草物质，实际减少了烟草含量，抽吸过程中的感官质量相对更依靠人为添加挥发性香味物质，数量有限，味觉不够饱满，真实。(2)热裂解和挥发出来的某些物质，刺激呼吸道，抽吸体验极其糟糕。(3)采用公开号为CN 104366687A的专利提供的低温不燃烧卷烟用抽吸材料及方法制备得到的最终成品，颗粒间隔较大，结构松散，密度低，对产生烟雾的丙二醇和甘油吸收不足，受热不充分，产生烟雾时间较长且浓度不足，难以达到传统低焦油卷烟产品的抽吸感受。
鉴于此，特提出本发明。
发明内容
本发明的第一目的在于提供一种低温烟，结构密实，烟气饱满，能够给予消费者很好的满足感，使之更接近传统卷烟的吸食习惯。
本发明的第二目的在于提供一种低温烟的制备方法，通过该方法制得的低温烟，结构密实，能够吸收更多的雾化剂，产生大量的烟雾，并且有利于加热温度传导，缩短抽吸者等待时间，使得吸食体验更接近于传统卷烟。
为实现上述目的，本发明采用的技术方案为：
根据本发明的一个方面，本发明提供一种低温烟，主要由以下重量份的原料制备而成：
烟草载体90～110份、香料提取物5～45份、烟用香精0.2～5份和雾化剂0.5～15份；
其中，所述烟草载体包括质量比为(5～10)：(1～4)的烟草叶片和烟梗。
作为进一步优选技术方案，所述烟草载体包括质量比为(6～8)：(2～3)的烟草叶片和烟梗；
优选地，所述烟草载体包括质量比为7：3的烟草叶片和烟梗。
作为进一步优选技术方案，主要由以下重量份的原料制备而成：
烟草载体95～105份、香料提取物10～40份、烟用香精0.5～3份和雾化剂1～10份；
优选地，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物15～30份、烟用香精1～2份和雾化剂2～8份。
作为进一步优选技术方案，还包括粘结剂1～20重量份和保润剂1～20重量份；
优选地，还包括粘结剂2～15重量份和保润剂2～15重量份；
更优选地，还包括粘结剂5～10重量份和保润剂5～10重量份。
作为进一步优选技术方案，所述香料提取物包括弗吉尼亚烟草浸膏、弗吉尼亚烟草净油、红糖、白糖、白肋烟提取物、梅子提取物、枸杞子提取物、桔梗提取物、甘草提取物、覆盆子提取物、紫苏提取物、香茅草提取物、玫瑰花提取物、茉莉花提取物、菊花提取物、甜叶菊提取物、柠檬草提取物、薄荷提取物、菊苣提取物、香荚兰豆提取物中的一种或几种的混合物；
优选地，所述雾化剂包括多元醇或多元醇的酯类衍生物，优选为多元醇，进一步优选为丙二醇、甘油、三甘醇、1,3-丁二醇或聚乙二醇中的一种或几种的混合物，更进一步优选为丙二醇和甘油的混合物。
根据本发明的另一个方面，本发明还提供一种上述的低温烟的制备方法，包括以下步骤：
将烟草载体进行预处理后，与香料提取物、烟用香精和雾化剂混合均匀；
然后经造粒或压制成型后，再进行干燥、加香回潮和包装，得到所述的低温烟。
作为进一步优选技术方案，烟草载体的预处理包括：将烟草载体粉碎成粉末，并筛选出粒度为80～150目的粉末颗粒，优选为90～140目的粉末颗粒，进一步优选为100～120目的粉末颗粒。
作为进一步优选技术方案，所述的造粒过程为：将混合后的原料用造粒机制成长度为0.4～4mm，直径为0.2～0.8mm的棍状颗粒，优选为长度为0.5～3mm，直径为0.24～0.78mm的棍状颗粒，进一步优选为长度为1～3mm，直径为0.24～0.6mm的棍状颗粒。
优选地，所述的压制成型过程中，通过螺杆机挤压或模具压制成型，成型的产品形状包括圆柱状、立方体状和片状，其中圆柱状包括实心圆柱状、中空圆柱状、***多空中间实心圆柱状和***多空中空圆柱状，立方体状包括实心立方体状、中空立方体状、***多空中间实心立方体状和***多空中空立方体状，所述片状包括圆形和多边形片状，以及圆形和多边形打孔片状。
作为进一步优选技术方案，所述的干燥过程中，干燥温度为80～90℃，优选为82～88℃，进一步优选为85～86℃；干燥时间为4～10h，优选为5～8h，进一步优选为6～7h；
优选地，所述的加香回潮过程中，将烟用表香喷洒在干燥得到的半成品上，在温度为20～28℃，湿度为50％～70％的条件下放置40～60h，优选为在温度为21～26℃，湿度为55％～65％的条件下放置45～55h，进一步优选为在温度为22～24℃，湿度为60％～62％的条件下放置48～50h。
作为进一步优选技术方案，所述的包装过程中，采用导热性能好的材料将加香回潮得到的半成品包装成胶囊型烟弹或卷烟型烟弹。
与现有技术相比，本发明的有益效果在于：
1、本发明以烟草叶片和烟梗为烟草载体原料，通过调节烟草叶片和烟梗的比例，使得烟草载体的吸收性能极佳，一方面，烟草叶片和烟梗中的香味成分会有所不同，在适宜的烟草叶片和烟梗的比例范围内，更能使得烟气的感官品质明显得到改善，给予消费者更好的满足感；另一方面，在烟草载体上添加适当比例的香料提取物，该香料提取物与烟草叶片和烟梗协调配合，使得烟气饱满，香气丰富，满足感好；此外，还加入了适量的烟用香精和雾化剂，烟草载体在吸收和富集香料提取物、烟用香精和雾化剂等物质后，在低温加热条件下使用，烟气逼真，香味协调，回味悠长，赋予了加热不燃烧型低温烟的独特品质。
2、本发明的低温烟原料价格低廉，安全环保，结构密实，并且在密实度大的情况下也能有较好的透气率，烟气饱满，具有良好的满足感，能够给消费者提供一种更接近于传统烟/卷烟的吸食感受；弥补了加热不燃烧型烟草制品的香气不足，味觉不够饱满、真实，抽吸体验不佳的缺陷，在较大程度上解决了电子烟难以彰显烟草香味的难题。
3、本发明的低温烟的制备方法，通过该方法制得的低温烟，结构密实，能够吸收更多的雾化剂，产生大量的烟雾，并且有利于加热温度传导，提高受热均匀性和受热面积并在较低温度下快速形成烟雾，缩短消费者等待时间；并且同等体积下烟草质量更大，热裂解和挥发性物质产生更多，使得吸食体验更接近传统烟。
同时，该方法具有操作简便，成本低廉，可操控性强的特点，便于实现大规模工业化生产，在加热非燃烧烟草制品领域中具有很好的应用前景。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的低温烟的制备方法的工艺流程图；
图2为本发明实施例提供的另一种低温烟的制备方法的工艺流程图；
图3为本发明实施例12提供的低温烟的结构示意图；
图4为本发明实施例13提供的低温烟的结构示意图；
图5为本发明实施例14提供的低温烟的结构示意图。
具体实施方式
下面将结合实施方式和实施例对本发明的实施方案进行详细描述，但是本领域技术人员将会理解，下列实施方式和实施例仅用于说明本发明，而不应视为限制本发明的范围。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。
第一方面，本实施方式提供一种低温烟，主要由以下重量份的原料制备而成：
烟草载体90～110份、香料提取物5～45份、烟用香精0.2～5份和雾化剂0.5～15份；
其中，所述烟草载体包括质量比为(5～10)：(1～4)的烟草叶片和烟梗。
本发明的低温烟属于加热/低温非燃烧型烟草制品，能够减少烟草高温燃烧裂解产生的有害成分，不会对公共环境产生影响，是一种低危害、烟草本香与其他香料相融合新型的烟草制品。
本发明以烟草叶片和烟梗为烟草载体原料，通过调节烟草叶片和烟梗的比例，使得烟草叶片和烟梗的质量比在(5～10)：(1～4)之间，进而使得烟草载体的吸收性能极佳，烟气的感官品质得到明显改善。同时通过各原料的相互配合，协同作用，通过在烟草载体上 添加适当比例的香料提取物、烟用香精和雾化剂，烟草载体在吸收和富集香料提取物、烟用香精和雾化剂等物质后，在低温加热条件下使用，烟气逼真，满足感好，香味协调，回味悠长。
这里需要特别指出的是，本发明精选了烟草叶片和烟梗两种原料作为烟草载体，并经过多次试验研究筛选出了适宜的烟草叶片和烟梗的比例，使得烟气的感官品质明显得到改善，品质更加醇和；同时加入了特殊的香料提取物，该香料提取物与烟草叶片和烟梗相协调，相互配合的发挥协同作用，香气丰富醇厚，还提高了烟气的劲头和满足感，同时还能在更大程度上彰显烟草本香，提供了一种与传统烟更接近的感受。
本发明的低温烟原料价格低廉，安全环保，结构密实，并且能够兼具高密实度和高透气率，烟气饱满，具有良好的满足感，能够给消费者提供一种更接近于传统烟/卷烟的吸食感受。本发明不仅缓解了现有的低温不燃烧卷烟用抽吸材料结构松散，密度低，受热不充分，产生烟雾时间较长且浓度不足等缺陷，还弥补了现有的低温非燃烧烟的香气不足，味觉不够饱满、真实，抽吸体验不佳的缺陷，在较大程度上解决了电子烟难以彰显烟草香味的难题。
本发明中，以重量份数计，烟草载体典型但非限制性的含量为：90份、92份、94份、95份、96份、98份、99份、100份、101份、102份、104份、105份、106份、108份或110份；香料提取物典型但非限制性的含量为：5份、6份、8份、10份、12份、15份、18份、20份、22份、25份、28份、30份、32份、35份、38份、40份、42份或45份；烟用香精典型但非限制性的含量为：0.2份、0.5份、0.6份、0.8份、1份、1.2份、1.5份、1.6份、1.8份、2份、2.2份、2.5份、2.8份、3份、3.2份、3.5份、3.8份、4份、4.2份、4.5份、4.8份或5份；雾化剂典型但非限制性的含量为：0.5份、1份、1.5份、2份、2.5份、3份、3.5份、4份、4.5份、5份、5.5份、6份、6.5份、7份、7.5份、8份、8.5份、9份、9.5份、10份、10.5份、11份、11.5份、12份、12.5份、13份、13.5份、14份、14.5份或15份。
本发明中，烟草叶片和烟梗的质量比典型但非限制的为：5：1、5：2、5：3、5：4、6：1、6：2、6：3、6：4、7：1、7：2、7：3、7：4、8：1、8：2、8：3、8：4、9：1、9：2、9：3、9：4、10：1、10：2、10：3或10：4。
在一种可选的实施方式中，所述烟草载体包括质量比为(6～8)：(2～3)的烟草叶片和烟梗；
优选地，所述烟草载体包括质量比为7：3的烟草叶片和烟梗。
在一种可选的实施方式中，主要由以下重量份的原料制备而成：
烟草载体95～105份、香料提取物10～40份、烟用香精0.5～3份和雾化剂1～10份；
优选地，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物15～30份、烟用香精1～2份和雾化剂2～8份。
通过合理的调整烟草叶片和烟梗的质量比例，以及烟草载体与香料提取物、烟用香精和雾化剂之间的比例，能够进一步使得烟气饱满，提高烟气满足感，香味协调，具有更高的吸食舒适度，优化质量，并降低了成本。
在一种可选的实施方式中，还包括粘结剂1～20重量份和保润剂1～20重量份；
优选地，还包括粘结剂2～15重量份和保润剂2～15重量份；
更优选地，还包括粘结剂5～10重量份和保润剂5～10重量份。
可选地，粘结剂为淀粉胶粘剂；保润剂为烟用淀粉保润剂。
需要说明的是，本发明中的粘结剂可以为淀粉胶粘剂，但并不限于此，还可以为本领域中常用的其它类型的粘结剂，例如天然和/或改性的淀粉、白乳胶、黄原胶、***胶、环糊精、壳聚糖、热熔胶等的一种或多种。本发明中的保润剂可以为烟用淀粉保润剂，但并不限于此，还可以为本领域中常用的其它类型的保润剂，例如还可以为蜂蜜、丙二醇、甘油、山梨糖醇、木糖醇等的一种或多种。
在低温烟的原料中添加粘结剂和保润剂，能够提高烟草的耐加工性能，提高稳定性，减少烟草载体在加工过程中的造碎，降低烟草载体的消耗，优化产品质量，而且还能改善口感、降低烟气刺激等作用，起到了同时改善烟草物理保润和感官保润的效果。
本发明中，以重量份数计，粘结剂典型但非限制性的含量为：1份、2份、3份、4份、5份、6份、7份、8份、9份、10份、11份、12份、13份、14份、15份、16份、17份、18份、19份或20份；保润剂典型但非限制性的含量为：1份、2份、3份、4份、5份、6份、7份、8份、9份、10份、11份、12份、13份、14份、15份、16份、17份、18份、19份或20份。
在一种可选的实施方式中，所述香料提取物包括弗吉尼亚烟草浸膏、弗吉尼亚烟草净油、红糖、白糖、白肋烟提取物、梅子提取物、枸杞子提取物、桔梗提取物、甘草提取物、覆盆子提取物、紫苏提取物、香茅草提取物、玫瑰花提取物、茉莉花提取物、菊花提取物、甜叶菊提取物、柠檬草提取物、薄荷提取物、菊苣提取物、香荚兰豆提取物中的一种或几种的混合物；
优选地，所述雾化剂包括多元醇或多元醇的酯类衍生物，优选为多元醇，进一步优选为丙二醇、甘油、三甘醇、1,3-丁二醇或聚乙二醇中的一种或几种的混合物，更进一步优选为丙二醇和甘油的混合物。
这里需要说明的是，本发明中的香料提取物优选为采用上述的一种或几种，但并不限于此，还可以为浓缩果汁、桂花精油、栀子花精油、茉莉花精油、罗汉果浸膏、枸杞子浸 膏、桔梗浸膏、荷叶浸膏，以及其它类型的辛香型植物、药香型植物和花香型植物的提取物等。
通过上述香料提取物的加入，与烟草叶片和烟梗相协调，能够使得抽吸时有特殊的香味，在一定程度上弥补香气不足的缺陷，同时在更大程度上彰显烟草本香，满足感强，给吸食者愉悦的新奇感受。
本发明中的烟用香精所用的香料种类和来源没有特殊的限制，采用本领域技术人员熟知的烟用香精即可。
可选地，所述的烟用香精的香料为香兰素、苯甲酸、苯乙酸、10％秘鲁浸膏、5％树苔浸膏、90％丁香油、大茴香醛、10％菠萝酮、苯甲醇、苯乙醇、甲苯乙酮、苯乙酸乙酯、铃铛梅子浸膏、苯乙醛、苯乙酮、当归内酯、法尼酮、十二酸、异戊酸、丁酸苄酯、辛醇、四甲基吡嗪、柠檬酸、乙基麦芽酚、香紫苏醇、无花果浸膏、苹果汁、棕榈酸、丁香酚、乙基麦芽酚、二氢大马酮、2－乙酰吡啶、4-羟基-2,5-二甲基-3(2H)呋喃酮中的一种或几种的混合；所述的烟用香精香料的溶剂为丙二醇、乙醇或水。
第二方面，本实施方式提供一种上述的的低温烟的制备方法，包括以下步骤：
将烟草载体进行预处理后，与香料提取物、烟用香精和雾化剂混合均匀；
然后经造粒或压制成型后，再进行干燥、加香回潮和包装，得到所述的低温烟。
本发明提供的制备方法，提前去除了加热时产生的刺激性物质，提升了抽吸质量。通过该制备方法制成的抽吸材料，结构密实，能吸收更多丙二醇和甘油，产生大量的烟雾；并且有利于加热温度传导，提高受热均匀性和受热面积并在较低温度下快速形成烟雾，缩短消费者等待时间；同等体积下烟草质量更大，热裂解和挥发性物质产生更多，使得吸食体验更接近传统烟。
本发明以新配方配合改良的操作方法以及工艺参数，即在适宜的烟草叶片和烟梗的比例下，对其进行预处理并筛选出粒度适宜的烟草载体颗粒，再加入适量的香料提取物等，然后通过造粒或压制成型的方式进行成型，这样，能够使得抽吸材料结构密实，吸收更多的雾化剂，然后通过干燥、加香回潮和包装得到低温烟，使得烟草的香气更加自然、细腻、层次丰富以及烟气醇和；从而在提高烟气的感官质量、给予消费者良好的满足感的同时，降低成本，增强其在加热非燃烧型烟草制品中的适应性。同时，该方法具有操作简便，成本低廉，可操控性强的特点，便于实现大规模工业化生产。
这里需要说明的是，原料混合过程中还可加入适量的纯净水，纯净水的添加量根据实际需求适当添加，以及适量的粘结剂和保润剂。
在一种可选的实施方式中，烟草载体的预处理包括：将烟草载体粉碎成粉末，并筛选出粒度为80～150目的粉末颗粒，优选为90～140目的粉末颗粒，进一步优选为100～120目的粉末颗粒。
本发明先将烟草叶片和烟梗粉碎成粉末，再可以采用微波膨化的方式将上述粉末制成一定粒度的粉末颗粒，然后在这些粉末颗粒中筛选出粒度为80～150目的粉末颗粒，优选为100～120目的粉末颗粒。可以理解的是，制成颗粒的方式可以采用微波膨化方式，但并于限于此，还可以采用本领域技术人员熟知的其他方式。
本发明通过筛选出特定细度的烟草叶片和烟梗颗粒，不仅有利于后续的加工过程，而且可显著降低烟草载体原料中的木质气以及其他杂气，提高吸食质量。
在一个具体实施方式中，可选的，粉末颗粒的粒度为80目、90目、100目、102目、104目、105目、106目、108目、110目、112目、114目、115目、116目、118目、120目、130目、140目或150目。
在一种可选的实施方式中，所述的造粒过程为：将混合后的原料用造粒机制成长度为0.4～4mm，直径为0.2～0.8mm的棍状颗粒，优选为长度为0.5～3mm，直径为0.24～0.78mm的棍状颗粒，进一步优选为长度为1～3mm，直径为0.24～0.6mm的棍状颗粒。
优选地，所述的压制成型过程中，通过螺杆机挤压或模具压制成型，成型的产品形状包括圆柱状、立方体状和片状，其中圆柱状包括实心圆柱状、中空圆柱状、***多空中间实心圆柱状和***多空中空圆柱状，立方体状包括实心立方体状、中空立方体状、***多空中间实心立方体状和***多空中空立方体状，所述片状包括圆形和多边形片状，以及圆形和多边形打孔片状。
本发明采用了造粒或压制成型的方式将混合后的混合物制成成型半成品，其中，造粒过程是将混合后得到的糊状半成品采用造粒机进行造粒，得到具有一定长度和直径的棍状颗粒，颗粒形状好，粒度分布均匀，有利于制备出具有高致密性能的抽吸材料，使得产品结构密实，受热充分，产生烟雾时间较短且浓度充足；并且得到的棍状颗粒可采用类似烟支的包装方式进行包装，简单实用，方便快捷。
在一个具体实施方式中，可选的，棍状颗粒的长度为0.4mm、直径为0.2mm，或长度为4mm、直径0.8mm，或长度为0.5mm、直径为0.24mm，或长度为1mm、直径0.2mm，或长度为3mm、直径6.8mm，或长度为3mm、直径为0.78mm。
此外，本发明还采用特定的成型工艺进行压制成型，通过螺杆机挤压或模具压制成型，成型得到的产品的形状包括多种，如空心和实心圆柱状，空心和实心立方体状，空心和实心圆柱打孔，空心和实心立方体打孔，圆形和多边形片状，圆形和多边形打孔片状等；其中的圆柱状也可以为棍状或棒状。
本发明通过上述造粒过程或者压制成型过程的设置，能够提高抽吸材料的受热面积和受热均匀性，结构密实，并且能够兼具高密度和高透气率，在较低温度下快速形成烟雾，缩短消费者等待时间，烟气的感官品质明显得到改善，烟气满足感强。
在一种可选的实施方式中，所述的干燥过程中，干燥温度为80～90℃，优选为82～88℃，进一步优选为85～86℃；干燥时间为4～10h，优选为5～8h，进一步优选为6～7h；
优选地，所述的加香回潮过程中，将烟用表香喷洒在干燥得到的半成品上，在温度为20～28℃，湿度为50％～70％的条件下放置40～60h，优选为在温度为21～26℃，湿度为55％～65％的条件下放置45～55h，进一步优选为在温度为22～24℃，湿度为60％～62％的条件下放置48～50h。
可选地，采用电热鼓风干燥箱进行干燥。
可选地，采用喷雾器均匀喷洒烟用表香后，放入恒温恒湿箱中在一定温度和湿度下进行静置。
可选地，所述烟用表香选自毛蕊花提取物、香荚兰提取物、多香果提取物、杏仁提取物或柠檬提取物中的一种或至少两种的混合物。
可选地，所述烟用表香的质量浓度为1％～3％。喷洒的烟用表香的质量占干燥得到的半成品的质量的0.05％～0.2％。
本发明采用特定的干燥温度和干燥时间对成型后的抽吸材料进行干燥，能够在保持该烟草制品口感的同时，增强结构的密实性，避免引入杂气、增加刺激性等负面影响。同时，通过喷洒上述烟用表香，即加香回潮步骤的设置，能够使得烟草的香气更加自然、细腻、层次丰富以及烟气醇和。
在一个具体实施方式中，可选的，干燥温度为80℃、81℃、82℃、83℃、84℃、85℃、86℃、87℃、88℃、89℃或90℃；干燥时间为4h、5h、6h、7h、8h、9h或10h。
在一个具体实施方式中，可选的，在温度为20℃、21℃、22℃、23℃、24℃、25℃、26℃、27℃或28℃，湿度为50％、52％、55％、56％、58％、59％、60％、61％、62％、64％、65％、66％、68％或70％的条件下放置40h、42h、44h、45h、46h、48h、49h、50h、52h、54h、55h、56h、58h或60h。
在一种可选的实施方式中，所述的包装过程中，采用导热性能好的材料将加香回潮得到的半成品包装成胶囊型烟弹或卷烟型烟弹。
可选地，所述的导热性能好的材料为铝箔复合纸或烧烤用铝箔纸。
本发明将加香回潮得到半成品，用导热性能好的材料包裹，制成胶囊型烟弹；或者与实心丝束、降温材料、中空丝束一起用盘纸卷包，制成卷烟型烟弹，或者采用类似烟支的包装方式。
在一种优选的实施方式中，所述的低温烟的制备方法，包括以下步骤：
(a)将烟草载体粉碎成粉末，并筛选出粒度为100～120目的粉末颗粒；
(b)将步骤(a)得到的粉末颗粒与香料提取物、烟用香精、雾化剂和纯净水，以及任选地粘结剂和保润剂充分混合均匀后，得到糊状半成品；
(c)将步骤(b)得到的糊状半成品，用造粒机制成长度为0.5～3mm，直径为0.24～0.78mm的棍状颗粒；
(d)将步骤(c)得到的棍状颗粒，放入电热鼓风干燥箱中进行干燥，干燥的温度为85～86℃，干燥时间为6～7h；
(e)将烟用表香均匀喷洒在步骤(d)干燥得到的半成品上，然后放入恒温恒湿箱中，在温度为22～24℃，湿度为60％～62％的条件下放置48～50h；
(f)将步骤(e)得到的加香回潮半成品，用导热性能好的材料包裹，制成胶囊型烟弹；或者与实心丝束、降温材料、中空丝束一起用盘纸卷包，制成卷烟型烟弹。
在另一种优选的实施方式中，所述的低温烟的制备方法，包括以下步骤：
(a)将烟草载体粉碎成粉末，并筛选出粒度为100～120目的粉末颗粒；
(b)将步骤(a)得到的粉末颗粒与香料提取物、烟用香精、雾化剂和纯净水，以及任选地粘结剂和保润剂充分混合均匀后，得到糊状半成品；
(c)将步骤(b)得到的糊状半成品，通过螺杆机挤压或模具压制成型，成型的产品形状包括实心圆柱状、中空圆柱状、***多空中间实心圆柱状和***多空中空圆柱状，实心立方体状、中空立方体状、***多空中间实心立方体状和***多空中空立方体状，圆形和多边形片状，以及圆形和多边形打孔片状；
(d)将步骤(c)得到的成型产品，放入电热鼓风干燥箱中进行干燥，干燥的温度为85～86℃，干燥时间为6～7h；
(e)将烟用表香均匀喷洒在步骤(d)干燥得到的半成品上，然后放入恒温恒湿箱中，在温度为22～24℃，湿度为60％～62％的条件下放置48～50h；
(f)将步骤(e)得到的加香回潮半成品，用导热性能好的材料包裹，制成胶囊型烟弹；或者与实心丝束、降温材料、中空丝束一起用盘纸卷包，制成卷烟型烟弹。
下面结合具体实施例、对比例和附图，对本发明作进一步说明。
实施例1
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体90份、香料提取物5份、烟用香精0.2份和雾化剂0.5份；
其中，烟草载体包括质量比为5：1的烟草叶片和烟梗；香料提取物为弗吉尼亚烟草浸膏；雾化剂为丙二醇和甘油的混合物。
本发明对所用烟用香精的种类和来源没有特殊的限制，采用本领域技术人员熟知的烟用香精即可；在本实施例中，烟用香精为丁香酚、乙基麦芽酚、二氢大马酮、2－乙酰吡啶、4-羟基-2,5-二甲基-3(2H)呋喃酮和乙醇的混合物。
实施例2
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体110份、香料提取物45份、烟用香精5份和雾化剂15份；
其中，烟草载体包括质量比为6：1的烟草叶片和烟梗；
香料提取物、雾化剂和烟用香精同实施例1。
实施例3
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物18份、烟用香精1份和雾化剂3份；
其中，烟草载体包括质量比为8：3的烟草叶片和烟梗；
香料提取物、雾化剂和烟用香精同实施例1。
实施例4
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物25份、烟用香精2份和雾化剂6份；
其中，烟草载体包括质量比为7：3的烟草叶片和烟梗；
香料提取物、雾化剂和烟用香精同实施例1。
实施例5
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物25份、烟用香精2份、雾化剂6份、淀粉胶粘剂5份和烟用淀粉保润剂5份；
其中，烟草载体包括质量比为7：3的烟草叶片和烟梗；
香料提取物、雾化剂和烟用香精同实施例1。
实施例6
一种低温烟，主要由以下重量份的原料制备而成：
烟草载体100份、香料提取物30份、烟用香精2份、雾化剂8份、淀粉胶粘剂10份和烟用淀粉保润剂10份；
其中，烟草载体包括质量比为7：3的烟草叶片和烟梗；
香料提取物、雾化剂和烟用香精同实施例1。
实施例7
一种低温烟，与实施例6的区别在于，香料提取物为玫瑰花提取物、茉莉花提取物、菊花提取物、甜叶菊提取物、柠檬草提取物、薄荷提取物、菊苣提取物和香荚兰豆提取物的混合物。
实施例8
一种低温烟，与实施例6的区别在于，香料提取物为弗吉尼亚烟草净油、红糖、白糖、白肋烟提取物和梅子提取物的混合物。
实施例9
一种低温烟，与实施例6的区别在于，雾化剂为丙二醇和三甘醇的混合物。
如图1所示，实施例1～9所述的低温烟的制备方法，包括以下步骤：
(a)将烟草载体粉碎成粉末，并筛选出粒度为100目的粉末颗粒；
(b)将步骤(a)得到的粉末颗粒与香料提取物、烟用香精、雾化剂和纯净水，以及任选地粘结剂和保润剂充分混合均匀后，得到糊状半成品；
(c)将步骤(b)得到的糊状半成品，用造粒机制成长度为3mm，直径为0.78mm的棍状颗粒；
(d)将步骤(c)得到的棍状颗粒，放入电热鼓风干燥箱中进行干燥，干燥的温度为85℃，干燥时间为6h；
(e)将烟用表香均匀喷洒在步骤(d)干燥得到的半成品上，然后放入恒温恒湿箱中，在温度为22℃，湿度为60％的条件下放置48h；
(f)将步骤(e)得到的加香回潮半成品，与实心丝束、降温材料、中空丝束一起用盘纸卷包，制成卷烟型烟弹。
实施例10
一种低温烟的制备方法
本实施例与实施例6中的低温烟的制备方法的区别仅在于：
步骤(a)中粉末颗粒的粒度为120目；
步骤(c)中棍状颗粒的成长度为1mm，直径为0.56mm。
实施例11
一种低温烟的制备方法
本实施例与实施例6中的低温烟的制备方法的区别仅在于：
步骤(e)中，在温度为24℃，湿度为65％的条件下放置50h。
实施例12
如图2所示，本实施例提供了另一种的低温烟的制备方法，本实施例与实施例6中的低温烟的制备方法的区别在于成型和包装过程，本实施例中：
步骤(c)中，将步骤(b)得到的糊状半成品，通过螺杆机挤压或模具压制成型，成型的产品形状为圆柱状，圆柱状包括实心圆柱状、中空圆柱状、***多空中间实心圆柱状和***多空中空圆柱状，圆柱状的成型产品的结构示意图如图3所示；
步骤(f)中，将步骤(e)得到的加香回潮半成品，用导热性能好的材料包裹，制成胶囊型烟弹。
实施例13
本实施例与实施例12中的低温烟的制备方法的区别仅在于：
步骤(c)中，将步骤(b)得到的糊状半成品，通过螺杆机挤压或模具压制成型，成型的产品形状为立方体状，立方体状包括实心立方体、中空立方体状、***多空中间实心立方体状和***多空中空立方体状，立方体状的成型产品的结构示意图如图4所示。
实施例14
本实施例与实施例12中的低温烟的制备方法的区别仅在于：
步骤(c)中，将步骤(b)得到的糊状半成品，通过螺杆机挤压或模具压制成型，成型的产品形状为片状，片状包括圆形片状和圆形打孔片状，片状的成型产品的结构示意图如图5所示。
对比例1
与实施例6相比，区别仅在于，所述的低温烟主要由以下重量份的原料制备而成：
烟草载体85份、香料提取物1份、烟用香精0.1份、雾化剂0.1份、淀粉胶粘剂0.2份和烟用淀粉保润剂0.2份；
本对比例中各原料的含量均不在本发明所提供的范围内。
对比例2
与实施例6相比，区别仅在于，所述的低温烟主要由以下重量份的原料制备而成：
烟草载体150份、香料提取物5份、烟用香精0.2份、雾化剂0.5份、淀粉胶粘剂1份和烟用淀粉保润剂1份；
本对比例中烟草载体的含量不在本发明所提供的范围内。
对比例3
与实施例6相比，区别仅在于，烟草载体包括质量比为12：1的烟草叶片和烟梗；
本对比例中烟草叶片和烟梗的质量比例不在本发明所提供的范围内。
对比例4
与实施例6相比，区别仅在于，烟草载体包括烟草叶片、烟梗、烟丝、烟末和烟秸秆的混合物；
本对比例中的烟草载体的成分不在本发明所提供的范围内。
对比例5
与实施例6相比，区别仅在于，制备过程中，步骤(a)中粉末颗粒的粒度为40目；
本对比例中的筛选出的粉末颗粒的粒度不在本发明所提供的范围内。
对比例6
与实施例6相比，区别仅在于，制备过程中，将步骤(c)的造粒过程，替换为现有技术中常用的压片的方式压制成型。
本对比例中的低温烟的制备方法不在本发明所提供的范围内。
对比例7
与实施例6相比，区别仅在于，制备过程中，省略了步骤(f)，即省略了加香回潮的过程。
本对比例中的低温烟的制备方法不在本发明所提供的范围内。
应用效果评价：
对各实施例和对比例制备得到的低温烟进行感官质量评价，评吸结果如表1所示。
检验程序：向20名评吸专家提供试样和评价指标，评吸专家按照各评价指标分别从烟气特征、香气特征和口感特征对各实施例和对比例的试样进行评吸以及质量评价，并记录其评吸结果。评价指标如下所示：
烟气特征：1～4分表示烟气浓度低，劲头强，烟气成团性差，粗糙；5～7分表示烟气浓度较足，劲头适中，烟气柔和；8～10分表示烟气浓度足，劲头适中，烟气柔和，细腻；
香气特征：1～4分表示香气质差，香气量平淡，杂气重，香气欠丰满；5～7分表示香气质较好，香气量较足，微有杂气较，香气丰满；8～10分表示香气质好，香气量足，无杂气，香气丰满；
口感特征：1～4分表示烟气刺激性大，酸味重，余味差；5～7分表示烟气刺激性较重，微酸或稍有酸甜味，余味较舒适；8～10分表示烟气刺激性小，口感清凉，余味纯净舒适。
表1 实施例1-14和对比例1-7的评吸结果
组别 烟气特征 香气特征 口感特征
实施例1 7 6 7
实施例2 7 7 8
实施例3 8 8 8
实施例4 9 8 10
实施例5 10 9 9
实施例6 10 10 10
实施例7 10 8 10
实施例8 10 9 9
实施例9 9 10 10
实施例10 9 10 9
实施例11 9 9 9
实施例12 9 10 10
实施例13 9 10 10
实施例14 9 10 8
对比例1 6 6 5
对比例2 5 5 5
对比例3 3 4 4
对比例4 3 2 2
对比例5 3 3 3
对比例6 4 3 3
对比例7 5 1 3
由表1可知，实施例1-14提供的低温烟其在烟气、香气和口感上的测评结果明显优于对比例1-7，本发明的低温烟在感官品质上可以满足市场和消费者的需要，尤其是在实施例6的操作方法以及原料配比下制得的低温烟质量最佳，其烟气满足感强，刺激性小，舒适性好，香气显著，无杂气，口感清凉，余味纯净舒适，在加热非燃烧型烟草制品中的适应性明显增强。
而由对比例1-4和实施例6的分析对比可知，改变低温烟中任一种或多种原料的配比，使其原料配比不在本发明保护的范围内，或者调整烟草载体的成分与配比，使其不在本发明保护的范围内，均不能达到上述效果，其感官品质明显下降。尤其是对比例3和4中的改变烟草叶片和烟梗的比例以及改变烟草载体的成分，均会明显降低低温烟的质量。此外，由对比例5-7和实施例6的分析对比可知，本发明的制备方法，综合考虑了各原料的性能和加热非燃烧型烟草制品的特点，各操作参数和工序相互配合，使得制备工艺更加科学， 合理，并在特定的烟草载体粒度下，能够制备出品质更加优异的低温烟，更能满足大多数人的需求。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

  1. 一种低温烟，其特征在于，主要由以下重量份的原料制备而成：
    烟草载体90～110份、香料提取物5～45份、烟用香精0.2～5份和雾化剂0.5～15份；
    其中，所述烟草载体包括质量比为(5～10)：(1～4)的烟草叶片和烟梗。
  2. 根据权利要求1所述的低温烟，其特征在于，所述烟草载体包括质量比为(6～8)：(2～3)的烟草叶片和烟梗；
    优选地，所述烟草载体包括质量比为7：3的烟草叶片和烟梗。
  3. 根据权利要求1所述的低温烟，其特征在于，主要由以下重量份的原料制备而成：
    烟草载体95～105份、香料提取物10～40份、烟用香精0.5～3份和雾化剂1～10份；
    优选地，主要由以下重量份的原料制备而成：
    烟草载体100份、香料提取物15～30份、烟用香精1～2份和雾化剂2～8份。
  4. 根据权利要求1～3任一项所述的低温烟，其特征在于，还包括粘结剂1～20重量份和保润剂1～20重量份；
    优选地，还包括粘结剂2～15重量份和保润剂2～15重量份；
    更优选地，还包括粘结剂5～10重量份和保润剂5～10重量份。
  5. 根据权利要求1～3任一项所述的低温烟，其特征在于，所述香料提取物包括弗吉尼亚烟草浸膏、弗吉尼亚烟草净油、红糖、白糖、白肋烟提取物、梅子提取物、枸杞子提取物、桔梗提取物、甘草提取物、覆盆子提取物、紫苏提取物、香茅草提取物、玫瑰花提取物、茉莉花提取物、菊花提取物、甜叶菊提取物、柠檬草提取物、薄荷提取物、菊苣提取物和香荚兰豆提取物中的一种或几种的混合物；
    优选地，所述雾化剂包括多元醇或多元醇的酯类衍生物，优选为多元醇，进一步优选为丙二醇、甘油、三甘醇、1,3-丁二醇和聚乙二醇中的一种或几种的混合物，更进一步优选为丙二醇和甘油的混合物。
  6. 如权利要求1～5任一项所述的低温烟的制备方法，其特征在于，包括以下步骤：
    将烟草载体进行预处理后，与香料提取物、烟用香精和雾化剂混合均匀；
    然后经造粒或压制成型后，再进行干燥、加香回潮和包装，得到所述的低温烟。
  7. 根据权利要求6所述的低温烟的制备方法，其特征在于，烟草载体的预处理包 括：将烟草载体粉碎成粉末，并筛选出粒度为80～150目的粉末颗粒，优选为90～140目的粉末颗粒，进一步优选为100～120目的粉末颗粒。
  8. 根据权利要求6所述的低温烟的制备方法，其特征在于，所述的造粒过程为：将混合后的原料用造粒机制成长度为0.4～4mm，直径为0.2～0.8mm的棍状颗粒，优选为长度为0.5～3mm，直径为0.24～0.78mm的棍状颗粒，进一步优选为长度为1～3mm，直径为0.24～0.6mm的棍状颗粒；
    优选地，所述的压制成型过程中，通过螺杆机挤压或模具压制成型，成型的产品形状包括圆柱状、立方体状和片状，其中圆柱状包括实心圆柱状、中空圆柱状、***多空中间实心圆柱状和***多空中空圆柱状，立方体状包括实心立方体状、中空立方体状、***多空中间实心立方体状和***多空中空立方体状，所述片状包括圆形和多边形片状，以及圆形和多边形打孔片状。
  9. 根据权利要求6所述的低温烟的制备方法，其特征在于，所述的干燥过程中，干燥温度为80～90℃，优选为82～88℃，进一步优选为85～86℃；干燥时间为4～10h，优选为5～8h，进一步优选为6～7h；
    优选地，所述的加香回潮过程中，将烟用表香喷洒在干燥得到的半成品上，在温度为20～28℃，湿度为50％～70％的条件下放置40～60h，优选为在温度为21～26℃，湿度为55％～65％的条件下放置45～55h，进一步优选为在温度为22～24℃，湿度为60％～62％的条件下放置48～50h。
  10. 根据权利要求6～9任一项所述的低温烟的制备方法，其特征在于，所述的包装过程中，采用导热性能好的材料将加香回潮得到的半成品包装成胶囊型烟弹或卷烟型烟弹。
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