CN105639718A - Preparation method and application of tobacco extract easy to atomize at low temperature - Google Patents
Preparation method and application of tobacco extract easy to atomize at low temperature Download PDFInfo
- Publication number
- CN105639718A CN105639718A CN201610111245.0A CN201610111245A CN105639718A CN 105639718 A CN105639718 A CN 105639718A CN 201610111245 A CN201610111245 A CN 201610111245A CN 105639718 A CN105639718 A CN 105639718A
- Authority
- CN
- China
- Prior art keywords
- tobacco
- preparation
- tobacco extract
- extract
- cigarette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 101
- 241000208125 Nicotiana Species 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 14
- 235000019505 tobacco product Nutrition 0.000 claims abstract description 14
- 238000004821 distillation Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 21
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 11
- 235000011187 glycerol Nutrition 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 210000002196 fr. b Anatomy 0.000 claims description 8
- 210000003918 fraction a Anatomy 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 108090000790 Enzymes Proteins 0.000 claims description 7
- 102000004190 Enzymes Human genes 0.000 claims description 7
- 229940088598 enzyme Drugs 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 108010059892 Cellulase Proteins 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229940106157 cellulase Drugs 0.000 claims description 5
- 230000009849 deactivation Effects 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005292 vacuum distillation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000002137 ultrasound extraction Methods 0.000 claims description 3
- 235000019506 cigar Nutrition 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 6
- 235000019640 taste Nutrition 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 235000019633 pungent taste Nutrition 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229940089401 xylon Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
- A24B15/26—Use of organic solvents for extraction
Abstract
The invention provides a preparation method and application of tobacco extract easy to atomize at the low temperature. The preparation method of the tobacco extract comprises the steps that tobacco serves as the raw material, moisture regaining and shredding treatment are conducted, and enzymolysis, solvent extraction and reduced pressure distillation are conducted, so that the tobacco extract is obtained, and then according to the characteristics of tobacco to which the tobacco extract is to be added, the tobacco extract is compounded into different ratios and added to different novel cigarettes. The preparation method and application of the tobacco extract are reasonable in design and simple in method, the tobacco extract is atomized easily at the low temperature, tobacco aroma is maintained, the aroma amount is sufficient, after the tobacco extract is atomized, no black residue is generated, no charring smell is generated, when the tobacco extract is applied to novel tobacco products, characteristic aroma of tobacco is made to be clearer, and the acceptability of the novel tobacco products is improved.
Description
Technical field
The invention belongs to technical field of tobacco, specifically the preparation method of the tobacco extract of a kind of easy low-temperature atomizing and application.
Background technology
Novel tobacco goods, such as electronics cigarette, electrically heated new cigarette, fuel hot type tobacco product, chewing tobacco, buccal cigarette, snuff, tobacco spray product, but having a common feature, process of consumption, not by result of combustion of tobacco, is difficult to obtain consumption accreditation on taste. Novel tobacco adds a certain amount of tobacco extract to meet human consumer to the demand of cigarette, general tobacco extract is all extract by dissolving, containing a certain amount of macromolecular cpd in extract, in particular for electronics cigarette, electrically heated new cigarette, fuel hot type tobacco product etc., it is difficult to atomization at a lower temperature and produces smog, further, being difficult to of fragrance matter is evaporated, the problem such as blocking that can cause spraying gun.
Mierocrystalline cellulose in cured tobacco leaf, hemicellulose, xylogen and pectin substance etc., account for about the 28% of cured tobacco leaf dry biomass, in the process of the low-temperature atomizing component of preparation, in order to keep the fragrance characteristic of tobacco, small-molecule substance can be degraded under proper condition, utilizing the raw material of tobacco fully, reduce costs, that improves extract smokes quality.
Summary of the invention
For above-mentioned the deficiencies in the prior art, being the macromole such as the Mierocrystalline cellulose in degrading tobacco extract, optionally extract the tobacco extract of easy low-temperature atomizing, the present invention provides preparation method and the application of the tobacco extract of a kind of easy low-temperature atomizing.
Technical scheme provided by the invention: the preparation method of the tobacco extract of a kind of easy low-temperature atomizing, comprises the steps:
(1) take tobacco as raw material, carry out chopping process, it is after the cellulase of 8000-20000U/g with water dissolution enzyme activity, it is sprayed at uniformly on pipe tobacco, pipe tobacco after spraying is positioned in sealed vessel, put into that the temperature adjusted is 30 DEG C��55 DEG C, humidity is the climatic chamber of 25%��70%, enzymolysis 10h��24h;
(2) pipe tobacco after enzymolysis is put into rapidly the baking oven having adjusted temperature to be 65 DEG C��85 DEG C, keeps 10min��30min, make enzyme deactivation;
(3) after being pulverized by pipe tobacco obtained above, the massfraction adding 3��7 times of pipe tobacco weight is the ethanol of 50%��95%, reflux 2h��4h, removes ethanol by concentrated for filtrate, obtain certain density tobacco enriched material after filtration;
(4) being positioned in vacuum distillation equipment by tobacco enriched material, enriched material is carried out underpressure distillation, slowly heats, system pressure is 0.1mmHg��8mmHg, collects the fraction B of less than 200 DEG C fraction A and 200 DEG C��300 DEG C respectively.
Further, after pipe tobacco obtained above can also be pulverized by described step (3), add deionized water or the ether of 3��7 times of pipe tobacco weight, with ultrasonic extraction 3h��5h at 20 DEG C��50 DEG C, solvent is removed by concentrated for filtrate after filtration, obtain certain density tobacco enriched material, described step (4) collect less than 150 DEG C evaporate point C and 150 DEG C��300 DEG C evaporate a point D.
Further, described tobacco material is flue-cured tobacco, Turkish tobaccos, airing cigarette, burley tobaccos, cigar, rustica.
Fraction A obtained for above-mentioned steps and fraction B are got the overhead product that mass ratio is 1:3��3:1, and the glycerine adding the propylene glycol of overhead product weight 4��5 times or the propylene glycol of overhead product weight 4��5 times and 1��2 times adds in new cigarette tobacco product after dissolving.
The overhead product that mass ratio is 1:2��3:1 is got in obtained for above-mentioned steps evaporating point C and evaporate point D, after adding the propylene glycol of overhead product weight 4��10 times and the glycerine dissolving of 1��2 times, adds in new cigarette tobacco product.
Further, described new cigarette tobacco product comprises electrically heated new cigarette, carbon heating new cigarette and electronics cigarette.
The useful effect that the present invention brings: tobacco material is carried out pre-treatment by (1), it is to increase the utilization ratio of tobacco material, has upgrading flavouring effect. (2) carried out the tobacco extract extracted by underpressure distillation, reduce the impact of Nicotiana tabacum extract macromolecular substance. (3) according to the feature of novel tobacco goods own, tobacco extract is pressed different mass proportioning, it is applied to novel tobacco goods, make the characteristic perfume of tobacco distincter, it is to increase the acceptable degree of novel tobacco goods.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment one
Get 500g cured tobacco leaf suitably moisture regain process after, carry out chopping process, plus fiber element ferment treatment, process equivalent is 40u/g, after water dissolution cellulase, spray uniformly and on pipe tobacco, the pipe tobacco after spraying is positioned in sealed vessel, put into the climatic chamber (temperature 50 DEG C, humidity 25%) adjusted. Store 24 hours. After enzymolysis terminates, it is put into rapidly the baking oven having adjusted 80 DEG C, keep 20min, make enzyme deactivation, the pipe tobacco after enzymolysis is ground into powder.
By the pipe tobacco of grind into powder, being soaked in the ethanol (massfraction, lower same) of 1500mL95%, reflux 2h, removes ethanol by concentrated for filtrate after filtration, obtains tobacco enriched material.
Get concentrated after enriched material, be positioned in vacuum distillation equipment, enriched material carried out underpressure distillation, slowly heats, system pressure is 4mmHg, collects the fraction B of 200 DEG C of once fraction A and 200 DEG C-300 DEG C respectively. Getting mass ratio is fraction A: the overhead product 1g of fraction B=2:1, after dissolving with 5g propylene glycol, add in electrically heated new cigarette tobacco product prepared by thin slice, fair with flue gas Harmony, the fragrance of tobacco can be improved significantly, reduce pungency and the xylon gas of thin slice itself.
The temperature height of carbon heating new cigarette, getting mass ratio is fraction A: the overhead product 1g of fraction B=1:3, after dissolving with 4g propylene glycol and 1g glycerine, add in carbon heating new cigarette tobacco product prepared by thin slice, can obviously increase cigarette flavor, alleviate assorted clearly gas and pungency, improve flavor quality of cigarette, reduce the pungency of thin slice itself.
Getting mass ratio is fraction A: the overhead product 1g of fraction B=3:1, after dissolving with 4g propylene glycol and 1g glycerine, adds in electronics cigarette, and smoking result shows: fair with flue gas Harmony, has significant cigarette flavor, has flue-cured tobacco feature, is charred taste and obviously reduces.
Embodiment two
Get 500g cured tobacco leaf suitably moisture regain process after, carry out chopping process, plus fiber element ferment treatment, process equivalent is 40u/g, after water dissolution cellulase, spray uniformly and on pipe tobacco, the pipe tobacco after spraying is positioned in sealed vessel, put into the climatic chamber (temperature 30 DEG C, humidity 25%) adjusted. Store 10 hours. After enzymolysis terminates, it is put into rapidly the baking oven having adjusted 70 DEG C, keep 30min, make enzyme deactivation, the pipe tobacco after enzymolysis is ground into powder.
By the pipe tobacco of grind into powder, add the deionized water of 2000mL, at 45 DEG C, use ultrasonic extraction 3h, remove solvent by concentrated for filtrate after filtration, obtain certain density tobacco enriched material.
Getting tobacco enriched material, be positioned in vacuum distillation equipment, enriched material is carried out underpressure distillation, slowly heats, system pressure is 5mmHg, respectively collect less than 150 DEG C evaporate point C and 150 DEG C-300 DEG C evaporate a point D. Get mass ratio for evaporating a point C: the overhead product 1g evaporating point D=3:1, after dissolving with 10g propylene glycol and 1g glycerine, the solution of preparation, with adding in blank electronics cigarette, during suction, has obvious tobacco aroma, after aspirating 100 mouthfuls, taste is even, and conglobation property is good, has flue-cured tobacco feature, without being charred taste, repeatedly the assorted gas of suction reduces.
Getting mass ratio for evaporating a point C: the overhead product 1g evaporating point D=2:1, after dissolving with 5g propylene glycol and 1g glycerine, the solution of preparation is with adding in electrically heated new cigarette tobacco product, and flue gas solid sense weight, reduces thin slice pungency, and assorted gas is general, and pleasant impression is fair.
Get mass ratio for evaporating a point C: the overhead product 1g evaporating point D=1:2, after dissolving with 4g propylene glycol and 1g glycerine, in carbon heating new cigarette tobacco product prepared by the solution thin slice of preparation, can obviously increase cigarette flavor, the fine and smooth solid sense weight of flue gas, reducing thin slice pungency, assorted gas is general, and pleasant impression is fair.
Embodiment three
Get 500g cured tobacco leaf suitably moisture regain process after, carry out chopping process, plus fiber element ferment treatment, process equivalent is 40u/g, after water dissolution cellulase, spray uniformly and on pipe tobacco, the pipe tobacco after spraying is positioned in sealed vessel, put into the climatic chamber (temperature 50 DEG C, humidity 25%) adjusted. Store 24h. After enzymolysis terminates, it is put into rapidly the baking oven having adjusted 85 DEG C, keep 10min, make enzyme deactivation, the pipe tobacco after enzymolysis is ground into powder.
By the pipe tobacco of grind into powder, being soaked in the ether of 1500mL, under hyperacoustic assisting, 20 DEG C are extracted 3h, remove ether by concentrated for filtrate, obtain tobacco enriched material after filtration.
Get concentrated after enriched material, be positioned in vacuum distillation equipment, enriched material carried out underpressure distillation, slowly heats, system pressure is 5mmHg, collect respectively 150 DEG C once evaporate point C and 150 DEG C-300 DEG C evaporate a point D. Getting mass ratio for evaporating a point C: the overhead product 1g evaporating point D=2:1, after dissolving with 10g propylene glycol and 1g glycerine, the solution of preparation, with adding in blank electronics cigarette, during suction, has obvious tobacco aroma, and after aspirating 100 mouthfuls, taste is even, without being charred taste.
The foregoing is only the detailed description of specific embodiment of the invention scheme, do not limit the present invention with this, all any amendment, equivalent replacement and improvement etc. done in the mentality of designing of the present invention, all should be included within protection scope of the present invention.
Claims (6)
1. the preparation method of the tobacco extract of an easy low-temperature atomizing, it is characterised in that comprise the steps:
(1) take tobacco as raw material, carry out chopping process, it is after the cellulase of 8000-20000U/g with water dissolution enzyme activity, it is sprayed at uniformly on pipe tobacco, pipe tobacco after spraying is positioned in sealed vessel, put into that the temperature adjusted is 30 DEG C��55 DEG C, humidity is the climatic chamber of 25%��70%, enzymolysis 10h��24h;
(2) pipe tobacco after enzymolysis is put into rapidly the baking oven having adjusted temperature to be 65 DEG C��85 DEG C, keeps 10min��30min, make enzyme deactivation;
(3) after being pulverized by pipe tobacco obtained above, the massfraction adding 3��7 times of pipe tobacco weight is the ethanol of 50%��95%, reflux 2h��4h, removes ethanol by concentrated for filtrate, obtain tobacco enriched material after filtration;
(4) being positioned in vacuum distillation equipment by tobacco enriched material, enriched material is carried out underpressure distillation, slowly heats, system pressure is 0.1mmHg��8mmHg, collects the fraction B of less than 200 DEG C fraction A and 200 DEG C��300 DEG C respectively.
2. the preparation method of tobacco extract according to claim 1, pipe tobacco obtained above it is characterized in that: after can also be pulverized by described step (3), add deionized water or the ether of 3��7 times of pipe tobacco weight, with ultrasonic extraction 3h��5h at 20 DEG C��50 DEG C, solvent is removed by concentrated for filtrate after filtration, obtain tobacco enriched material, described step (4) collect less than 150 DEG C evaporate point C and 150 DEG C��300 DEG C evaporate a point D.
3. the preparation method of tobacco extract according to claim 1, it is characterised in that: described tobacco material is flue-cured tobacco, Turkish tobaccos, airing cigarette, burley tobaccos, cigar, rustica.
4. the application of the tobacco extract of an easy low-temperature atomizing, it is characterized in that: the fraction A and the fraction B that obtain the preparation method according to the arbitrary item of claims 1 to 3 get the overhead product that mass ratio is 1:3��3:1, the glycerine adding the propylene glycol of overhead product weight 4��5 times or the propylene glycol of overhead product weight 4��5 times and 1��2 times adds in new cigarette tobacco product after dissolving.
5. the application of the tobacco extract of an easy low-temperature atomizing, it is characterized in that: the overhead product that mass ratio is 1:2��3:1 is got in evaporating point C and evaporating point D of preparation method according to claim 2 being obtained, after adding the propylene glycol of overhead product weight 4��10 times and the glycerine dissolving of 1��2 times, add in new cigarette tobacco product.
6. the application of the tobacco extract of easy low-temperature atomizing according to claim 4 or 5, it is characterised in that: described new cigarette tobacco product comprises electrically heated new cigarette, carbon heating new cigarette and electronics cigarette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111245.0A CN105639718B (en) | 2016-02-29 | 2016-02-29 | A kind of preparation method and application of the tobacco extract of easy low-temperature atomizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111245.0A CN105639718B (en) | 2016-02-29 | 2016-02-29 | A kind of preparation method and application of the tobacco extract of easy low-temperature atomizing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105639718A true CN105639718A (en) | 2016-06-08 |
| CN105639718B CN105639718B (en) | 2017-06-30 |
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| CN201610111245.0A Active CN105639718B (en) | 2016-02-29 | 2016-02-29 | A kind of preparation method and application of the tobacco extract of easy low-temperature atomizing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107467719A (en) * | 2017-08-29 | 2017-12-15 | 贵州普定印象朵贝农业开发有限公司 | A kind of Chinese yew electronic cigarette |
| CN108077997A (en) * | 2017-12-12 | 2018-05-29 | 江西中烟工业有限责任公司 | A kind of preparation method and applications of cigarette filter combination |
| CN108451003A (en) * | 2018-01-30 | 2018-08-28 | 湖北中烟工业有限责任公司 | The methods and applications of burley tobaccos reactant are prepared using hydrolase |
| CN111480894A (en) * | 2020-03-25 | 2020-08-04 | 内蒙古昆明卷烟有限责任公司 | Cigarette cartridge containing biological enzyme and tobacco product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6167469A (en) * | 1984-09-11 | 1986-04-07 | 日本たばこ産業株式会社 | Production of fragrance for tobacco |
| CN101204249A (en) * | 2007-12-11 | 2008-06-25 | 广东中烟工业公司 | Preparation method for tobacco extracting |
| CN101570717A (en) * | 2009-06-01 | 2009-11-04 | 无锡华海香料有限公司 | Method for preparing tobacco extract and application thereof |
| RU2441515C1 (en) * | 2010-10-07 | 2012-02-10 | Олег Иванович Квасенков | Production method of non-smoking product from wild tobacco |
| CN104489901A (en) * | 2014-12-03 | 2015-04-08 | 河南中烟工业有限责任公司 | Tobacco taste electronic tobacco liquid |
| CN104757703A (en) * | 2014-12-31 | 2015-07-08 | 贵州中烟工业有限责任公司 | Tobacco distillate, and preparation and application thereof |
| CN104839883A (en) * | 2015-05-31 | 2015-08-19 | 中国烟草总公司郑州烟草研究院 | Electronic cigarette liquid with characteristics of tobaccos for tobacco pipes |
| CN105029681A (en) * | 2015-07-14 | 2015-11-11 | 中国烟草总公司郑州烟草研究院 | Natural perfume refining fluid suitable for cigarette fluid of electronic cigarettes and cigarette fluid and preparation method thereof |
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| JPS6167469A (en) * | 1984-09-11 | 1986-04-07 | 日本たばこ産業株式会社 | Production of fragrance for tobacco |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107467719A (en) * | 2017-08-29 | 2017-12-15 | 贵州普定印象朵贝农业开发有限公司 | A kind of Chinese yew electronic cigarette |
| CN108077997A (en) * | 2017-12-12 | 2018-05-29 | 江西中烟工业有限责任公司 | A kind of preparation method and applications of cigarette filter combination |
| CN108451003A (en) * | 2018-01-30 | 2018-08-28 | 湖北中烟工业有限责任公司 | The methods and applications of burley tobaccos reactant are prepared using hydrolase |
| CN108451003B (en) * | 2018-01-30 | 2020-08-07 | 湖北中烟工业有限责任公司 | Method for preparing burley tobacco reactant by using hydrolase and application |
| CN111480894A (en) * | 2020-03-25 | 2020-08-04 | 内蒙古昆明卷烟有限责任公司 | Cigarette cartridge containing biological enzyme and tobacco product |
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| Publication number | Publication date |
|---|---|
| CN105639718B (en) | 2017-06-30 |
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