CN114711450B - Method for improving fragrance release amount of heating non-combustible tobacco product - Google Patents
Method for improving fragrance release amount of heating non-combustible tobacco product Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 53
- 235000019505 tobacco product Nutrition 0.000 title claims abstract description 34
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 161
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- 230000000391 smoking effect Effects 0.000 claims abstract description 33
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- 238000004880 explosion Methods 0.000 claims description 27
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- 230000001965 increasing effect Effects 0.000 claims description 9
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- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 9
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 8
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 235000011056 potassium acetate Nutrition 0.000 claims description 4
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- 230000002708 enhancing effect Effects 0.000 claims description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
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- 239000011591 potassium Substances 0.000 description 12
- 229910052700 potassium Inorganic materials 0.000 description 12
- 229910001414 potassium ion Inorganic materials 0.000 description 9
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salt Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IZMOTZDBVPMOFE-UHFFFAOYSA-N dimethyl dodecanedioate Chemical compound COC(=O)CCCCCCCCCCC(=O)OC IZMOTZDBVPMOFE-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- CAMHHLOGFDZBBG-UHFFFAOYSA-N epoxidized methyl oleate Natural products CCCCCCCCC1OC1CCCCCCCC(=O)OC CAMHHLOGFDZBBG-UHFFFAOYSA-N 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
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Images
Classifications
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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
- A24B3/12—Steaming, curing, or flavouring tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- 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
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
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- Manufacture Of Tobacco Products (AREA)
Abstract
The invention provides a method for improving the fragrance release amount of a non-burning tobacco product after heating, which comprises a tobacco raw material fragrance improving stage and a smoking fragrance improving stage. According to the method for improving the fragrance release amount of the heating non-combustible tobacco product, the fragrance release amount of the heating non-combustible tobacco product is improved through the two stages of the tobacco raw material fragrance improving stage and the smoking fragrance improving stage, the heat release characteristic of the fragrance substance of the tobacco raw material is improved through a method of coupling chemical catalysis and physical loading, the release of the tobacco fragrance is greatly improved, and the smoking feeling of the heating non-combustible tobacco product is remarkably improved.
Description
Technical Field
The invention belongs to the technical field of heating non-combustion cigarettes, and particularly relates to a method for improving fragrance release amount of a heating non-combustion tobacco product.
Background
In the smoking process of heating the non-burning tobacco, the heating temperature of the appliance is lower than 350 ℃, so that the thermal cracking of the smoke bomb is insufficient, the released flavor substances are less, the release amount and physiological strength of the flavor are insufficient in the smoking process, and the sensory perception is poor. In order to improve the aroma release amount of a heating non-combustion tobacco product in the smoking process and meet the sensory experience of smokers, a common method is to add an atomizing agent into a tobacco raw material so as to improve the smoke amount, specifically, the tobacco raw material can be crushed into reconstituted tobacco, a large amount of atomizing agent mainly containing glycerin and propylene glycol is applied to the reconstituted tobacco, and then the tobacco is processed into the heating non-combustion tobacco through a rolling connection process. Chinese patent CN201910382979.6 discloses an atomizing agent for heating non-burning cigarettes and application thereof, wherein the atomizing agent is composed of polyhydric alcohol, polyhydric alcohol ester and alkali metal salt. The atomizing agent can be uniformly and effectively added with 10-30% of the atomizing agent, tobacco shreds prepared by using the atomizing agent in the patent are suitable for being rolled by a conventional high-speed cigarette making machine, the technical defects of poor suitability on a machine and the like caused by high addition of a smoke agent can be avoided, the sensory quality of a cigarette is better, and especially the original fragrance of tobacco is prominent. In order to further improve the absorption capacity of the tobacco raw material to the atomizing agent, chinese patent CN201811558960.4 discloses an atomizing agent for tobacco and a method for improving the absorption capacity of the traditional tobacco leaf atomizing agent. The atomizing agent for the cigarettes is prepared from sorbitol, glycerol, triethylene glycol diacetate, methyl stearate and dimethyl dodecanedioate according to a mass ratio of 1:10 to 20:10 to 20:5 to 10:2 to 6: 0.6-1.0 percent. After the tobacco leaves in the formula are uniformly mixed, steam explosion treatment is carried out under the conditions that the temperature is 30-50 ℃, the steam explosion time is less than 0.01 second, the steam pressure is 0.4-0.8 MPa, and the pressure retention time is 10-60 seconds, the prepared atomizing agent is quickly scattered into the tobacco leaves after the treatment is finished, then the tobacco leaves are conveyed to a leaf storage cabinet, the moisture is balanced, and the tobacco leaves are taken out for preparing the cut tobacco after being fully absorbed. The patent can greatly improve the addition amount of the atomizing agent of the traditional tobacco leaves through steam explosion, so that the tobacco leaves can be used for heating non-combustible cigarettes.
In addition to adding the atomizing agent into the tobacco raw material, a certain amount of spice components can be added into the tobacco raw material while adding the atomizing agent in the prior art, and the problem of the aroma amount of cigarettes which are not burnt when being heated is improved under the combined action of the atomizing agent and the additional spice. For example, chinese patent CN201810264800.2 discloses a low-temperature cigarette processing method and application thereof, on the basis of a thick pulp method and a roller method reconstituted tobacco process, ultrasonic microwaves are adopted to cooperatively stir and mix materials uniformly, so that an atomizing agent with a higher proportion and 1-5% of tobacco essence spice are uniformly dispersed and distributed in a tobacco which is not burnt under heating, meanwhile, the adhesion is better, the surface is not adhered, the strength of the reconstituted tobacco is good, the on-machine rolling adaptability of the tobacco which is not burnt under heating is improved, the existing rolling machine set can normally roll and connect, the production continuity is good, the production efficiency is high, chemical reaction is generated in a heating and drying process, bubbles and pores are generated in the interior, the internal surface area is increased, the distribution of the high-content atomizing agent is more uniform, the rolling low-temperature smoking atomization effect is improved, the tobacco fragrance is rich, and the sensory effect is good.
However, even if the measures such as steam explosion and tobacco stem punching are adopted to improve the absorption amount of the tobacco raw material to the atomizing agent, the effect of improving the fragrance release amount of the heated non-burning tobacco is limited by only adding the atomizing agent, and when the absorption amount of the tobacco raw material to the atomizing agent reaches the maximum limit, the fragrance release amount of the heated non-burning tobacco product is difficult to further improve by increasing the application amount of the atomizing agent. In addition, the release characteristics of the aroma substances of the non-combustible tobacco plants in the heating process cannot be fundamentally improved by physically mixing the additional essence and spice component substances into the tobacco raw materials, and the additional essence and spice substances are generally weak in the aroma of the tobacco plants or difficult to be mutually coordinated with the original aroma of the tobacco plants, so that the aroma release quality of the non-combustible tobacco products heated by the method still needs to be further improved.
Disclosure of Invention
The invention aims to provide a method for improving the fragrance release amount of a non-burning tobacco product by heating aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for improving the fragrance release amount of a heating non-combustible tobacco product comprises a tobacco raw material fragrance improving stage and a smoking fragrance improving stage;
the tobacco raw material fragrance-improving stage comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material;
(2) Adding an atomizing agent and potassium salt into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing;
(3) Placing the uniformly mixed tobacco raw materials at 60-80 ℃ for reaction for 18-36 h;
(4) Adding citric acid into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
the suction aroma raising stage comprises the following steps:
(5) Heating the non-burning tobacco rod to 100-120 ℃, and preserving heat for 1-3 min at the temperature;
(6) Then, the temperature is continuously increased to 330 to 350 ℃, and suction is carried out.
Preferably, the steam explosion treatment conditions are as follows: the temperature is 40 to 50 ℃, the steam pressure is 0.5 to 0.7 MPa, and the pressure retention time is 40 to 50 s.
Preferably, the addition amount of the atomizing agent accounts for 10-30% of the mass of the tobacco raw material.
Preferably, the addition amount of the potassium salt accounts for 0.078 to 0.156 percent of the mass of the tobacco raw material.
Preferably, the addition amount of the citric acid accounts for 0.04-0.06% of the mass of the tobacco raw material.
Preferably, the atomizing agent is at least one of glycerol and propylene glycol.
Preferably, the nebulant is a mixture of glycerol and propylene glycol.
Preferably, the mass ratio of the propylene glycol to the glycerol in the atomizing agent is 1: (2.5 to 4).
Preferably, the potassium salt is any one of potassium carbonate, potassium bicarbonate and potassium acetate.
Preferably, the potassium salt is potassium bicarbonate.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for improving the fragrance release amount of the heating non-combustible tobacco product, the fragrance release amount of the heating non-combustible tobacco product is improved through the two stages of the tobacco raw material fragrance improving stage and the smoking fragrance improving stage. Firstly, in the tobacco raw material aroma-extracting stage, an atomizing agent is added to load aroma components in the tobacco raw material to promote the release of aroma substances, and potassium ions are added to catalyze components such as cellulose, hemicellulose and lignin in the tobacco raw material to generate the aroma substances through thermal cracking. Secondly, under the catalytic promotion effect of potassium salt, maillard reaction can occur in the tobacco raw material in the reaction process at the temperature of 60-80 ℃, and the generation and release of flavor substances are further promoted. In the smoking and aroma-improving stage, the cigarette which is not burnt is heated and is firstly subjected to a low-temperature pretreatment process at 100-120 ℃, phenolic hydroxyl functional groups and potassium ions contained in macromolecules of hemicellulose, cellulose and lignin in the tobacco raw material can react to generate organic combined potassium, the organic combined potassium can be attached to the surface of the tobacco raw material for catalysis, and meanwhile, the organic combined potassium can be cracked into micromolecular aroma substances more easily in the pyrolysis process.
According to the method for improving the fragrance release amount of the heating non-combustible tobacco product, the heat release characteristic of the fragrance substance of the tobacco raw material is improved through a chemical catalysis coupling physical loading method, the release of the fragrance of the tobacco is greatly improved, and the smoking feeling of the heating non-combustible tobacco product is remarkably improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the specific details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the detailed description that follows.
Drawings
Fig. 1 is a flowchart of a method for improving the fragrance release amount of a non-combustible tobacco product by heating according to an embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It is to be understood that the processing equipment or apparatus not specifically identified in the following examples is conventional in the art.
Furthermore, it is to be understood that one or more method steps mentioned in the present invention does not exclude that other method steps may also be present before or after the combined steps or that other method steps may also be inserted between these explicitly mentioned steps, unless otherwise indicated; moreover, unless otherwise indicated, the numbering of the various method steps is merely a convenient tool for identifying the various method steps, and is not intended to limit the order in which the method steps are arranged or the scope of the invention in which the invention may be practiced, and changes or modifications in the relative relationship may be made without substantially changing the technical content.
The embodiment of the invention provides a method for improving the fragrance release amount of a non-burning tobacco product after heating, which comprises a tobacco raw material fragrance improving stage and a smoking fragrance improving stage, wherein the fragrance improving operation flow is shown in figure 1.
Wherein, the tobacco raw material aroma raising stage comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material;
(2) Adding an atomizing agent and sylvite into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing;
(3) Placing the uniformly mixed tobacco raw materials at 60-80 ℃ for reaction for 18-36 h;
(4) Adding citric acid into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
the stage of pumping and fragrance enhancing comprises the following steps:
(5) Heating the treated non-burning tobacco rod to 100-120 ℃, and preserving heat for 1-3 min at the temperature;
(6) Then, the temperature is continuously increased to 330 to 350 ℃, and suction is carried out.
In a preferred embodiment of the present invention, the steam explosion conditions in step (1) are: the temperature is 40 to 50 ℃, the steam pressure is 0.5 to 0.7 MPa, and the pressure retention time is 40 to 50 s. The steam time is less than 0.01 s, namely the pressure is quickly released after pressure maintaining, and the pressure release time is less than 0.01 s. Through steam explosion treatment, the cell structure of the tobacco raw material is expanded, simultaneously, the contents of lignin and cellulose in the tobacco raw material are reduced, the content of hemicellulose is improved, and the full thermal cracking of tobacco is facilitated; in addition, after steam explosion treatment, the absorption capacity of the follow-up tobacco raw materials to the atomizing agent is favorably improved.
In a preferred embodiment of the invention, the addition amount of the atomizing agent in the step (2) accounts for 10 to 30 percent of the mass of the tobacco raw material. The addition amount of the potassium salt accounts for 0.078 to 0.156 percent of the mass of the tobacco raw material. The atomizing agent is at least one of glycerol and propylene glycol. The atomizing agent used in the embodiment of the invention is a mixture of glycerol and propylene glycol, and the mass ratio of the propylene glycol to the glycerol in the atomizing agent is 1: (2.5 to 4). When the ratio of glycerol to propylene glycol in the nebulant is in this interval, the nebulant is used optimally. In the embodiment of the invention, the potassium salt can be any one of potassium carbonate, potassium bicarbonate and potassium acetate, more preferably, the potassium salt is selected from potassium bicarbonate, and due to the fact that the thermal decomposition temperature of the potassium bicarbonate is low, a pore-forming effect can be additionally generated in the tobacco raw material during thermal decomposition, and the absorption capacity of the tobacco raw material to the atomizing agent is favorably improved. After the atomizing agent is added into the tobacco raw material, the atomizing agent can load the fragrant substances in the tobacco raw material, namely the atomizing agent can carry the fragrant substances to volatilize in the smoking process, so that the release of the fragrant substances is promoted; potassium ions in the added potassium salt can catalyze components such as cellulose, hemicellulose, lignin and the like in the tobacco raw material to generate fragrant substances through thermal cracking; in addition, the added potassium salt is alkaline, so that the Maillard reaction can be promoted, the formation of more fragrant substances can be promoted, and the fragrance amount can be improved. In addition, a small amount of essence and spice components which are coordinated with the original fragrance of the tobacco can be additionally added for seasoning while the atomizing agent is added, so that the requirement of consumers on diversified taste smoking is met.
And (3) reacting the mixed tobacco raw materials for 18-36 h at the temperature of 60-80 ℃, wherein the reaction condition can fully perform the Maillard reaction in the tobacco raw materials, the Maillard reaction rate can be increased along with the rise of the temperature, but the reaction temperature cannot be too high, otherwise, partial fragrant substances in the tobacco raw materials are volatilized easily, and the loss of the fragrance amount is caused.
In a preferred embodiment of the invention, the addition amount of citric acid in the step (4) accounts for 0.04 to 0.06 percent of the mass of the tobacco raw material. Fully mixing the reacted tobacco raw material with citric acid accounting for 0.04-0.06% of the mass of the tobacco raw material, wherein the citric acid can neutralize the alkalinity of potassium salt, otherwise, the tobacco raw material is too strong in irritation during smoking and is not beneficial to smoking experience due to too strong alkalinity; in addition, citric acid can promote the pyrolysis release of flavor substances in the tobacco raw materials, and further improve the smoking feeling of cigarettes.
In the smoking and fragrance enhancing stage, the treated non-burning cigarette is subjected to a low-temperature pretreatment process in the step (5) before smoking, namely, the temperature is increased to 100 to 120 ℃, and the temperature is kept for 1 to 3 min. The pretreatment process can enable phenolic hydroxyl functional groups contained in macromolecules of hemicellulose, cellulose and lignin in the tobacco raw materials to react with potassium ions to generate organic combined potassium, the organic combined potassium can be attached to the surface of tobacco for catalysis, and the organic combined potassium is easy to crack into small-molecule fragrant substances in the pyrolysis process, so that the fragrance release amount is improved; in addition, the water in a part of tobacco raw materials can be evaporated in the low-temperature pretreatment process of 100-120 ℃, the release concentration of flavor substances in the pyrolysis of the tobacco raw materials is improved, and the smoking sensory experience is improved.
In the step (6), the suction temperature is 330-350 ℃, suction is carried out at the temperature, and the potassium ions can generate two catalytic effects of heterogeneous catalysis and homogeneous catalysis. When the smoking temperature is lower, the potassium ions can contact with substances volatilized from the tobacco raw materials, and the catalysis is heterogeneous catalysis and is not as good as homogeneous catalysis; when the temperature reaches above 300 ℃, part of potassium can be gasified into gaseous potassium ions to contact with volatilized substances in the tobacco raw materials, homogeneous catalysis is realized, meanwhile, due to volatilization of potassium, the potassium is further contacted with part of nonvolatile substances in the tobacco raw materials, another heterogeneous catalysis effect is additionally generated, and the release of flavor substances in the tobacco raw materials is more sufficient.
According to the method for improving the fragrance release amount of the heating non-combustible tobacco product, the fragrance release amount of the heating non-combustible tobacco product is improved through the two stages of the tobacco raw material fragrance improving stage and the smoking fragrance improving stage. Firstly, in the tobacco raw material aroma-extracting stage, an atomizing agent is added to load aroma components in the tobacco raw material to promote the release of aroma substances, and potassium ions are added to catalyze components such as cellulose, hemicellulose and lignin in the tobacco raw material to generate the aroma substances through thermal cracking. Secondly, under the catalytic promotion effect of potassium salt, maillard reaction can occur in the tobacco raw material in the reaction process at the temperature of 60-80 ℃, and the generation and release of flavor substances are further promoted. In the smoking and aroma-improving stage, the cigarette which is not burnt is heated and is firstly subjected to a low-temperature pretreatment process at 100-120 ℃, phenolic hydroxyl functional groups and potassium ions contained in macromolecules of hemicellulose, cellulose and lignin in the tobacco raw material can react to generate organic combined potassium, the organic combined potassium can be attached to the surface of the tobacco raw material for catalysis, and meanwhile, the organic combined potassium can be cracked into micromolecular aroma substances more easily in the pyrolysis process.
According to the method for improving the aroma release amount of the heating non-combustible tobacco product, the heat release characteristic of the aroma substances of the tobacco raw materials is improved by a chemical catalysis coupling physical loading method, the release of the aroma of the tobacco is greatly improved, and the smoking feeling of the heating non-combustible tobacco product is remarkably improved.
The following is a further description with reference to specific examples.
Example 1
The embodiment 1 of the invention provides a method for improving the fragrance release amount of a non-burning tobacco product by heating, which comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material, wherein the steam explosion treatment conditions are as follows: the temperature is 40 ℃, the steam pressure is 0.5 MPa, the pressure retention time is 40 s, the steam time is less than 0.01 s, and the working medium is saturated steam;
(2) Adding an atomizing agent accounting for 10 percent of the mass of the tobacco raw material and potassium carbonate accounting for 0.078 percent of the mass of the tobacco raw material into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing; the atomization agent comprises glycerol and propylene glycol, and the mass ratio of the propylene glycol to the glycerol is 1;
(3) Placing the uniformly mixed tobacco raw materials at 60 ℃ to react with 18 h;
(4) Adding citric acid accounting for 0.04 percent of the mass of the tobacco raw materials into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
(5) Placing the treated cigarette which is not combustible when heated into a heating appliance, heating to 100 ℃, and preserving heat for 3 min at the temperature;
(6) Then, the temperature was further raised to 330 ℃ to conduct suction. During smoking, the smoke amount is large, the fragrance amount is sufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
Example 2
The embodiment 2 of the invention provides a method for improving the fragrance release amount of a non-burning tobacco product after heating, which comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material, wherein the steam explosion treatment conditions are as follows: the temperature is 45 ℃, the steam pressure is 0.6 MPa, the pressure retention time is 50 s, the steam time is less than 0.01 s, and the working medium is saturated steam;
(2) Adding an atomizing agent accounting for 20 percent of the mass of the tobacco raw material and potassium bicarbonate accounting for 0.096 percent of the mass of the tobacco raw material into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing; the atomization agent comprises glycerol and propylene glycol, and the mass ratio of the propylene glycol to the glycerol is 1;
(3) Placing the uniformly mixed tobacco raw materials at 70 ℃ for reaction for 20 h;
(4) Adding citric acid accounting for 0.05 percent of the mass of the tobacco raw materials into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
(5) Placing the processed cigarette which is not combustible by heating into a heating appliance, heating to 120 ℃, and preserving heat for 2 min at the temperature;
(6) Then, the temperature is increased to 350 ℃ continuously, and suction is performed. During smoking, the smoke amount is large, the fragrance amount is sufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
Example 3
The embodiment 3 of the invention provides a method for improving the fragrance release amount of a non-burning tobacco product after heating, which comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material, wherein the steam explosion treatment conditions are as follows: the temperature is 50 ℃, the steam pressure is 0.7 MPa, the pressure retention time is 45 s, the steam time is less than 0.01 s, and the working medium is saturated steam;
(2) Adding an atomizing agent accounting for 30% of the mass of the tobacco raw materials and 0.156% of potassium bicarbonate into the tobacco raw materials after steam explosion treatment, and uniformly mixing; the components of the atomizing agent are glycerol and propylene glycol, and the mass ratio of the propylene glycol to the glycerol is 1:4;
(3) Placing the uniformly mixed tobacco raw materials at 80 ℃ for reaction 24 h;
(4) Adding citric acid accounting for 0.06% of the mass of the tobacco raw materials into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
(5) Placing the treated cigarette which is not combustible when heated into a heating appliance, heating to 110 ℃, and preserving heat for 1 min at the temperature;
(6) Then, the temperature is continuously raised to 340 ℃ for suction. During smoking, the smoke amount is large, the fragrance amount is sufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
Example 4
The embodiment 4 of the invention provides a method for improving the fragrance release amount of a non-burning tobacco product after heating, which comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material, wherein the steam explosion treatment conditions are as follows: the temperature is 50 ℃, the steam pressure is 0.7 MPa, the pressure retention time is 45 s, the steam time is less than 0.01 s, and the working medium is saturated steam;
(2) Adding an atomizing agent accounting for 30% of the mass of the tobacco raw material and potassium acetate accounting for 0.125% of the mass of the tobacco raw material into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing; the atomizing agent comprises glycerol and propylene glycol, and the mass ratio of the propylene glycol to the glycerol is 1;
(3) Placing the uniformly mixed tobacco raw materials at 60 ℃ to react for 24 h;
(4) Adding citric acid accounting for 0.05 percent of the mass of the tobacco raw materials into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
(5) Placing the treated cigarette which is not combustible when heated into a heating appliance, heating to 110 ℃, and preserving heat for 3 min at the temperature;
(6) Then, the temperature is increased to 350 ℃ continuously, and suction is performed. During smoking, the smoke amount is large, the fragrance amount is sufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
Comparative example 1
The difference from the embodiment 3 is that the processing step (3) is omitted, namely, citric acid accounting for 0.06 percent of the mass of the tobacco raw material is directly added after the tobacco raw material is processed in the step (2), the mixture is uniformly mixed to prepare the cigarette which is not burnt by heating, and other processing steps are the same. Compared with the embodiment 3, the smoking amount is slightly less, the fragrance amount is slightly insufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
Comparative example 2
The difference from the embodiment 3 is that the low-temperature pretreatment process in the treatment step (5) is omitted, namely the tobacco raw material is put into a heating appliance after being treated in the step (4) and is directly heated to 340 ℃ for suction, and other treatment steps are the same. Compared with the embodiment 3, the smoking amount is slightly less during smoking, the fragrance amount is slightly insufficient, the original fragrance of the tobacco is prominent, and the tobacco fragrance is rich.
The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (9)
1. A method for improving the fragrance release amount of a heating non-combustible tobacco product is characterized by comprising a tobacco raw material fragrance improving stage and a smoking fragrance improving stage;
the tobacco raw material fragrance-improving stage comprises the following steps:
(1) Carrying out steam explosion treatment on the tobacco raw material; the steam explosion treatment conditions are as follows: the temperature is 40 to 50 ℃, the steam pressure is 0.5 to 0.7 MPa, and the pressure retention time is 40 to 50 s;
(2) Adding an atomizing agent and sylvite into the tobacco raw material subjected to steam explosion treatment, and uniformly mixing;
(3) Placing the uniformly mixed tobacco raw materials at 60-80 ℃ for reaction for 18-36 h;
(4) Adding citric acid into the reacted tobacco raw materials, uniformly mixing, and preparing the tobacco rods which are not burnt by heating;
the suction aroma raising stage comprises the following steps:
(5) Heating the non-burning tobacco rod to 100-120 ℃, and preserving heat for 1-3 min at the temperature;
(6) Then, the temperature is continuously increased to 330 to 350 ℃, and suction is carried out.
2. The method for improving the fragrance release amount of the non-combustible tobacco product subjected to heating according to claim 1, wherein the addition amount of the atomizing agent accounts for 10-30% of the mass of the tobacco raw material.
3. The method for improving the fragrance release amount of the non-combustible tobacco product subjected to heating according to claim 1, wherein the addition amount of the potassium salt is 0.078 to 0.156 percent of the mass of the tobacco raw material.
4. The method for improving the fragrance release amount of the non-combustible tobacco product after heating according to claim 1, wherein the addition amount of the citric acid is 0.04 to 0.06 percent of the mass of the tobacco raw material.
5. The method for improving the fragrance release amount of the non-combustible heated tobacco product according to claim 2, wherein the atomizing agent is at least one of glycerol and propylene glycol.
6. The method for enhancing the aroma release of a heat non-combustible smoking article according to claim 5, wherein the atomizing agent is a mixture of glycerol and propylene glycol.
7. The method for improving the fragrance release amount of the non-combustible heated tobacco product according to claim 6, wherein the mass ratio of the propylene glycol to the glycerol in the atomizing agent is 1: (2.5 to 4).
8. The method for improving the fragrance release amount of the non-combustible heated tobacco product according to claim 3, wherein the potassium salt is any one of potassium carbonate, potassium bicarbonate and potassium acetate.
9. The method for improving the fragrance release amount of the non-combustible heated tobacco product according to claim 3, wherein the potassium salt is potassium bicarbonate.
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