CN103734906B - Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke - Google Patents

Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke Download PDF

Info

Publication number
CN103734906B
CN103734906B CN201410042431.4A CN201410042431A CN103734906B CN 103734906 B CN103734906 B CN 103734906B CN 201410042431 A CN201410042431 A CN 201410042431A CN 103734906 B CN103734906 B CN 103734906B
Authority
CN
China
Prior art keywords
alcoholization
benzo
biological preparation
pyrene
bacillus
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.)
Expired - Fee Related
Application number
CN201410042431.4A
Other languages
Chinese (zh)
Other versions
CN103734906A (en
Inventor
陈昆燕
戴亚
汪长国
周学政
陶文生
冯广林
鲜兴明
朱立军
谭兰兰
唐士军
袁月
肖克毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Sichuan Industrial Co Ltd
Chongqing China Tobacco Industry Co Ltd
Original Assignee
China Tobacco Chuanyu Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Tobacco Chuanyu Industrial Co Ltd filed Critical China Tobacco Chuanyu Industrial Co Ltd
Priority to CN201410042431.4A priority Critical patent/CN103734906B/en
Publication of CN103734906A publication Critical patent/CN103734906A/en
Application granted granted Critical
Publication of CN103734906B publication Critical patent/CN103734906B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses the burst size redrying of benzo [a] pyrene and the method for alcoholization in reduction cigarette smoke, including smoked sheet multiple roasting operation and alcoholization operation, described alcoholization operation is interpolation alcoholization agent in the Nicotiana tabacum L. after redrying, described alcoholization agent is biological preparation aqueous solution, and described biological preparation is one or more in bacillus subtilis, bacillus megaterium, Bacillus circulans, bacillus amyloliquefaciens lyophilizing mycopowder.The present invention adds biological preparation as alcoholization agent, degraded and the conversion of benzo in raw tobacco material [a] pyrene can be effectively improved during tobacco mellowing, benzo [a] pyrene burst size in cigarette smoke will be reduced and move forward to beating and double roasting and alcoholization stage, and organically combine beating and double roasting and two processes of alcoholization process, there is important theory significance and actual application value.

Description

Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke
Technical field
The invention belongs to Nicotiana tabacum L. manufacture field, be specifically related to benzo [a] pyrene burst size in a kind of reduction cigarette smoke Redrying and the method for alcoholization.
Background technology
Benzo [a] pyrene is a kind of typical condensed-nuclei aromatics (being called for short PAH) in flue gas.Condensed-nuclei aromatics is that Nicotiana tabacum L. is at height Products of incomplete combustion under temperature anoxia condition.The Organic substance fragment that various organic matter pyrolysis are generated, passes through Complicated polymerization process and formed.In flue gas, the kind of condensed-nuclei aromatics has more than hundred kinds, in cigarette smoke Identifying about 30 kinds of condensed-nuclei aromatics having carcinogenecity, wherein most typically is exactly benzo [a] pyrene, it carcinogenic Property is the highest, next to that the condensed-nuclei aromatics such as dibenzo [a, h] anthracene, benzo [b] firefly anthracene.2009, Taken the lead by Zhengzhou Nicotiana tabacum L. academy and carried out the cigarette smoke hazardness index research of Chinese-style cigarette, Medicated cigarette master Stream 29 kinds of harmful components of flue gas filter out representative 7 kind composition refer to as Medicated cigarette Evaluation of Harmfulness Mark, benzo [a] pyrene is one of which.Therefore, benzo [a] pyrene release quantifier elimination pair in cigarette smoke is reduced Improve cigarette quality, improve smoking property of cigarette safety significant.
Nicotiana tabacum L. is the primary raw material producing Medicated cigarette, and after beating and double roasting with alcoholization, Nicotiana tabacum L. is allowed for access industrialization Production phase, existing beating and double roasting technology is mainly focused on improving Nicotiana tabacum L. physical arrangement, chemistry one-tenth after beating and double roasting Point uniformity etc., such as: Yang Kai etc. with nicotine as parameter, carry out tobacco beating double-roasting formula uniformity research (based on Tobacco beating double-roasting formula uniformity controlling model study, 2012,12) so that formula module under each control model Finished product sheet cigarette nicotine content coefficient of variation meansigma methods all controls below 4%;Zhang Qilong etc. use correlation analysis Method, have studied Nicotiana tabacum L. routine chemical components during beating and double roasting, physical index and quality index and piece rate Relation (dependency of beating and double roasting process Nicotiana tabacum L. character, quality index and piece rate, 2011,3).Cigarette Folic alcoholization is then to improve quality of tobacco, the raising requisite link of tobacco leaf usability.Prior art mainly collects During alcoholization the variation tendency research of related substances, the difference such as chemical composition, enzyme and phylloplane organisms Alcoholization conditions and environment and additional means such as refining quality correlation research, biological preparation are applied to promote Nicotiana tabacum L. Aesthetic quality and shortening alcoholization phase etc. after alcoholization.Chinese patent ZL200410040526.9 discloses a kind of logical Cross and add enzyme preparation in beating and double roasting application in beating and double roasting process, the natural alcoholization of Nicotiana tabacum L. can be accelerated Speed, shortens the alcoholization cycle, improves the blue foreign smell in Nicotiana tabacum L. and zest, has the effect such as humectation and mildew-resistant. The Application No. that Chinese patent is announced: the patent of invention of 201310092968.7 proposes one and utilizes Herba Pelargonii Graveolentis Flos Pelargonii carries out the method for tobacco mellowing perfumery, utilizes this longer process of tobacco mellowing, at closed environment In allow Nicotiana tabacum L. fully absorb Pelargonium gravelens fragrance, increase tabacco fragrance, promote Nicotiana tabacum L. entirety aesthetic quality. How to reduce benzo in cigarette smoke [a] pyrene burst size, reduce the smoking harm to health, have in recent years Many researchs.This type of research is mainly the cigarette filter made by special material or adds interpolation in Medicated cigarette Agent reduces benzo [a] the pyrene content in cigarette smoke.The Application No. announced such as Chinese patent 200910263548.4 patent of invention propose a kind of composite filter tip containing biological composition, use this filter Mouth can substantially reduce benzo [a] the pyrene burst size in cigarette smoke.The Application No. that Chinese patent is announced The invention of 201110180023.1 provides a kind of active adsorption being made up of porous carbon materials and comprises institute in Nicotiana tabacum L. The adsorbent of the tar ingredients contained and benzo [a] pyrene etc.;More than study benzo [a] in reducing cigarette smoke The effect aspect of pyrene burst size achieves better effects, but for tobacco threshing and redrying and alcoholization processing technique with Reduce benzo [a] pyrene burst size in cigarette smoke then to be paid attention to, also have no relevant patent and document report Road.Therefore, reduce a kind of redrying and the alcoholization method of benzo [a] pyrene burst size in cigarette smoke, guaranteeing Nicotiana tabacum L. On the premise of raw produce style, will reduce benzo [a] pyrene burst size in cigarette smoke move forward to beating and double roasting with Alcoholization process, has important value for mentioning safety cigarette.
Summary of the invention
It is an object of the invention to provide a kind of reduction benzo [a] pyrene burst size redrying and the method for alcoholization, the method The biological system of extracting and developing in Nicotiana tabacum L. that can reduce benzo [a] pyrene burst size is added in multiple cured tobacco leaf Agent, air exercise leaf Cased strips redrying procedure technology parameter is rationally arranged simultaneously, can effectively reduce Medicated cigarette Benzo [a] pyrene burst size in flue gas, thus contribute to the harm alleviating smoking to human body.
In order to reach above-mentioned technique effect, the present invention takes techniques below scheme:
The burst size redrying of benzo [a] pyrene and the method for alcoholization in a kind of reduction cigarette smoke, including smoked sheet multiple roasting work Sequence and alcoholization operation, described alcoholization operation is interpolation alcoholization agent, described alcoholization in the Nicotiana tabacum L. after redrying Agent is biological preparation aqueous solution, and described biological preparation is bacillus subtilis, bacillus megaterium, ring-type In bacillus cereus, bacillus amyloliquefaciens lyophilizing mycopowder one or more.
Further technical scheme is: the addition of described alcoholization agent is the 1~5% of quality of tobacco.
Further technical scheme is: the technological parameter of described smoked sheet multiple roasting is as follows: guipure speed 38HZ, It is dried district's temperature 60 C, is dried two district's temperature 70 Cs, be dried three district's temperature 73 DEG C, be dried four district's temperature 70℃。
Further technical scheme is: in described biological preparation aqueous solution, the mass percent of biological preparation is 0.1 ‰~1.5 ‰.
Further technical scheme is: described bacillus subtilis, bacillus megaterium, ring-type spore bar Bacterium, bacillus amyloliquefaciens are to extract to separate from Nicotiana tabacum L..
Further technical scheme is: in described biological preparation aqueous solution, the bacteria containing amount of every kind of biological preparation is 1×1010~1 × 1016CFU/g。
The present invention compared with prior art, has a following beneficial effect:
(1) in the present invention, interpolation biological preparation, as alcoholization agent, can effectively carry during tobacco mellowing The degraded of benzo [a] pyrene and conversion in high raw tobacco material, will reduce in cigarette smoke before benzo [a] pyrene burst size Move to beating and double roasting and alcoholization stage, and organically combine beating and double roasting and two processes of alcoholization process, there is weight The theory significance wanted and actual application value.
(2) can not be too big for the raw tobacco material aesthetic quality fluctuation obtained after parameter adjustment, otherwise can affect Raw material usability, thus affect consumer to the acceptance of cigarette product and the degree of recognition, so this method is to work The adjustment of skill parameter should be suitable, in addition it is also necessary to ensures raw tobacco material aesthetic quality and reduces benzo [a] pyrene in flue gas Burst size.
Accompanying drawing explanation
Fig. 1 is the process chart of embodiment in the present invention.
Detailed description of the invention
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Nicotiana tabacum L. certain real estate X3F Nicotiana tabacum L. in 2011 obtained will be produced as sky by existing beating and double roasting process parameter White sample;Combine according to different technical parameters and Optimizing Process Parameters and adjust, remaining procedure technology parameter constant, Produce the tobacco sample 1~3 obtained and optimize sample;Each group tobacco sample with condition loosening and gaining moisture, shredding, Naturally after system of drying in the air, rolling cigarette sample.Flue gas benzo [a] the pyrene content detection of sample is shown in Table 1.
Table 1 redrying process optimization sample and blank sample benzo [a] pyrene burst size testing result
As can be seen from Table 1, smoked sheet multiple roasting operation each grade Nicotiana tabacum L. produces under Optimizing Process Parameters combines To tobacco sample flue gas in benzo [a] pyrene burst size reduce by 16.11% than blank sample, there is significantly fall Low benzo [a] pyrene burst size effect.
Embodiment 2:
Using by existing beating and double roasting process parameter produce the tobacco sample that obtains X3F somewhere Nicotiana tabacum L. in 2011 as Blank sample;After smoked sheet multiple roasting, remaining technological parameter is constant, and adding biological preparation sample is to optimize sample, This biological preparation is made up of bacillus subtilis, bacillus amyloliquefaciens, Bacillus circulans, according to quality After percentage ratio 2:1:1 proportioning, with water as solvent, it is equipped to 1.0 ‰ biological preparation aqueous solutions, biological preparation Middle bacillus subtilis bacteria containing amount 1 × 1014CFU/g, bacillus amyloliquefaciens bacteria containing amount 1 × 109CFU/g, ring Shape bacillus cereus bacteria containing amount 1 × 1010CFU/g, sample with condition refine, with condition loosening and gaining moisture, shredding, from After system of so drying in the air, rolling cigarette sample.Flue gas benzo [a] the pyrene content detection of sample is shown in Table 2, in table in 2% be The addition of biological preparation aqueous solution is smoked sheet mass percent.
Table 2 adds biological preparation and optimizes sample and blank sample benzo [a] pyrene burst size testing result
Sample ID Add biological preparation Benzo [a] pyrene content (ng/cig)
Blank sample / 16.53
Optimize sample 2% 13.97
Note: in table, "/" represents and is not added with biological preparation aqueous solution.
As can be seen from Table 2, biological preparation, benzo [a] pyrene burst size in the tobacco sample flue gas obtained are added Reduce 15.49% than blank sample, have and significantly reduce benzo [a] pyrene burst size effect.
Embodiment 3:
Using by existing beating and double roasting process parameter produce the tobacco sample that obtains X3F somewhere Nicotiana tabacum L. in 2011 as Blank sample;After smoked sheet multiple roasting, remaining technological parameter is constant, and adding biological preparation sample is to optimize sample sample, This biological preparation is made up of bacillus subtilis, Bacillus circulans, after mass percent 1:2 proportioning, With water as solvent, it is equipped to 1.5 ‰ biological preparation aqueous solutions, bacillus subtilis bacteria containing amount in biological preparation 1×1013CFU/g, Bacillus circulans bacteria containing amount 1 × 1012CFU/g, sample refines with condition, with condition pine After dissipating moisture regain, shredding, the naturally system of drying in the air, rolling cigarette sample.Flue gas benzo [a] the pyrene content detection of sample is shown in Table 3, in table 2% be the addition of biological preparation aqueous solution be smoked sheet mass percent.
Table 3 adds biological preparation and optimizes sample and blank sample benzo [a] pyrene burst size testing result
Sample ID Add biological preparation Benzo [a] pyrene content (ng/cig)
Blank sample / 16.69
Optimize sample 2% 14.01
As can be seen from Table 3, biological preparation, benzo [a] pyrene burst size in the tobacco sample flue gas obtained are added Reduce 16.06% than blank sample, have and significantly reduce benzo [a] pyrene burst size effect.
Embodiment 4:
Using by existing beating and double roasting process parameter produce the tobacco sample that obtains X3F somewhere Nicotiana tabacum L. in 2011 as Blank sample;After smoked sheet multiple roasting, remaining technological parameter is constant, and adding biological preparation sample is to optimize sample sample, This biological preparation is by bacillus subtilis, bacillus megaterium, Bacillus circulans, bacillus amyloliquefaciens Constitute, after mass percent 1:1:1:3 proportioning, with water as solvent, be equipped to 0.5 ‰ biological systems Agent aqueous solution, bacillus subtilis bacteria containing amount 1 × 10 in biological preparation10CFU/g, bacterium contains bacillus megaterium Bacterium amount 1 × 1010CFU/g, Bacillus circulans bacteria containing amount 1 × 1014CFU/g, bacillus amyloliquefaciens bacteria containing amount 1×1014CFU/g, sample refines with condition, after condition loosening and gaining moisture, shredding, the naturally system of drying in the air, rolls volume Cigarette sample.Flue gas benzo [a] the pyrene content detection of sample is shown in Table 4, and in table, 2% is adding of biological preparation aqueous solution Dosage is smoked sheet mass percent.
Table 4 adds biological preparation and optimizes sample and blank sample benzo [a] pyrene burst size testing result
Sample ID Add biological preparation Benzo [a] pyrene content (ng/cig)
Blank sample / 17.28
Optimize sample 2% 14.24
As can be seen from Table 3, biological preparation, benzo [a] pyrene burst size in the tobacco sample flue gas obtained are added Reduce 17.59% than blank sample, have and significantly reduce benzo [a] pyrene burst size effect.
Embodiment 5:
X3F somewhere Nicotiana tabacum L. in 2011, makees producing the tobacco sample obtained by existing beating and double roasting process parameter For blank sample.Smoked sheet multiple roasting operation, is arranged according to parameter after different technical parameters and optimization;Redrying posterior lobe Sheet adds the biological preparation of 3%, and this biological preparation is by bacillus subtilis, bacillus amyloliquefaciens, ring-type bud Spore bacillus is constituted, and after mass percent 2:1:1 proportioning, with water as solvent, is equipped to 1.0 ‰ biological Preparation aqueous solution, bacillus subtilis bacteria containing amount 1 × 10 in biological preparation14CFU/g, bacillus amyloliquefaciens Bacteria containing amount 1 × 109CFU/g, Bacillus circulans bacteria containing amount 1 × 1010CFU/g, remaining procedure technology parameter is not Become, produce and obtain sample 1~3 and optimize sample;With condition refine, then with condition loosening and gaining moisture, shredding, Naturally after system of drying in the air, rolling cigarette sample.Flue gas benzo [a] the pyrene content detection of sample is shown in Table 5.
The full operation blank sample of table 5 and optimization sample benzo [a] pyrene testing result
As can be seen from Table 5, after wind dispensing, smoked sheet multiple roasting operation use Optimizing Process Parameters, in conjunction with adding Ratio biological preparation, the Nicotiana tabacum L. obtained optimizes benzo [a] pyrene burst size in sample flue gas and reduces than blank sample 22.63%, have and significantly reduce benzo [a] pyrene burst size effect.
The Indexs measure value that this patent obtains under Optimizing Process Parameters combines is three techniques and produces product inspection Survey meansigma methods.
Benzo [a] pyrene: according to " benzo [a] pyrene in GB/T21130-2007 cigarette smoke condensates Measure " detect.
Although reference be made herein to invention has been described for the explanatory embodiment of the present invention, and above-described embodiment is only For the present invention preferably embodiment, embodiments of the present invention are also not restricted to the described embodiments, it should Understanding, those skilled in the art can be designed that a lot of other amendments and embodiment, and these are revised and real The mode of executing will fall within spirit disclosed in the present application and spirit.

Claims (1)

1. reduce the burst size redrying of benzo [a] pyrene and a method for alcoholization in cigarette smoke, including smoked sheet multiple roasting work Sequence and alcoholization operation, it is characterised in that the grade of described smoked sheet is X3F, the technique of described smoked sheet multiple roasting Parameter is as follows: guipure speed 38HZ, is dried district's temperature 60 C, is dried two district's temperature 70 Cs, dry Dry three district's temperature 73 DEG C, is dried four district's temperature 70 Cs;Described alcoholization operation is the Nicotiana tabacum L. after redrying Middle interpolation alcoholization agent, described alcoholization agent is biological preparation aqueous solution, and described biological preparation is ring-type Bacillus cereus, bacillus amyloliquefaciens and the mixture of bacillus subtilis lyophilizing mycopowder;Described alcohol The addition of agent is the 1~5% of quality of tobacco;The matter of biological preparation in described biological preparation aqueous solution Amount percentage ratio is 0.1 ‰~1.5 ‰;The bacteria containing amount of every kind of biological preparation in described biological preparation aqueous solution It is 1 × 109~1 × 1016CFU/g;Described bacillus subtilis, Bacillus circulans, solution starch bud Spore bacillus is to extract to separate from Nicotiana tabacum L..
CN201410042431.4A 2014-01-28 2014-01-28 Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke Expired - Fee Related CN103734906B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410042431.4A CN103734906B (en) 2014-01-28 2014-01-28 Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410042431.4A CN103734906B (en) 2014-01-28 2014-01-28 Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke

Publications (2)

Publication Number Publication Date
CN103734906A CN103734906A (en) 2014-04-23
CN103734906B true CN103734906B (en) 2016-09-14

Family

ID=50492041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410042431.4A Expired - Fee Related CN103734906B (en) 2014-01-28 2014-01-28 Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke

Country Status (1)

Country Link
CN (1) CN103734906B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106579544B (en) * 2016-12-05 2018-03-27 河南中烟工业有限责任公司 Application of the bacillus subtilis in degrading tobacco product in terms of polyphenols
CN106723311B (en) * 2016-12-05 2018-08-03 河南中烟工业有限责任公司 Application of the bacillus subtilis in degrading tobacco product in terms of cellulose

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651759A (en) * 1983-04-12 1987-03-24 Philip Morris Incorporated Start-up process for the thermophilic denitrification of tobacco
CN1439715A (en) * 2002-02-23 2003-09-03 王革 Microbe(No.1) and production thereof
CN1439716A (en) * 2002-02-23 2003-09-03 王革 Microbe(No.J1) and production thereof
EP1668113B1 (en) * 2003-08-11 2013-06-19 Verenium Corporation Laccases, nucleic acids encoding them and methods for making and using them
CN101084800A (en) * 2006-06-08 2007-12-12 河南农业大学 Tobacco biological quality-enhancer, preparation method and application thereof
CN101416778B (en) * 2008-11-30 2011-05-18 华南理工大学 Ferment for tobacco fermentation and use thereof
CN101787362B (en) * 2009-12-30 2012-05-30 云南万芳生物技术有限公司 Enzyme preparation using protease as assistant for tobacco processing and preparation and application method
CN102318892A (en) * 2011-06-19 2012-01-18 红云红河烟草(集团)有限责任公司 Functional material liquid for improving cigarette quality and preparation and application thereof
US20130269719A1 (en) * 2012-04-11 2013-10-17 R.J. Reynolds Tobacco Company Method for treating plants with probiotics
CN102669811B (en) * 2012-05-28 2015-06-17 川渝中烟工业有限责任公司 Method for producing cigarette expansion cut tobacco with low tar content and low harm by using microbial fermentation
CN102660461B (en) * 2012-05-28 2014-05-07 川渝中烟工业有限责任公司 Microbial preparation for shortening tobacco fermentation period and application of microbial preparation
CN103251126A (en) * 2013-05-14 2013-08-21 红云红河烟草(集团)有限责任公司 Method for preparing microorganism derived spice component for improving cigarette quality

Also Published As

Publication number Publication date
CN103734906A (en) 2014-04-23

Similar Documents

Publication Publication Date Title
CN104223353B (en) A kind of tobacco fermentation gained tobacco aromatics and application thereof
CN110214971B (en) Method for improving sensory quality of inferior tobacco leaves
CN103478903B (en) A kind of tobacco stalk fibre composite filter and preparation method thereof
CN105146712A (en) Method for improving cigarette moisturizing and aroma-improving effects by utilizing red rose
CN103734906B (en) Reduce the burst size redrying of benzo [a] pyrene and the method for alcoholization in cigarette smoke
CN103393217A (en) Tea cigarette and preparation method
CN103230089B (en) Preparation method for ultralow tar oil flue-cured tobacco type cigarettes with quiet and beautiful aroma
CN103416841A (en) Shred manufacturing technology based on high-temperature tobacco soaking processing
CN103783647A (en) Redrying and alcoholizing method for reducing release amount of NNK
Ning et al. Study on the effect of enzymatic treatment of tobacco on HnB cigarettes and microbial succession during fermentation
CN103876269A (en) Baking technology method capable of reducing phenol release amount in flue-cured tobaccos
US20040094175A1 (en) Process for manufacturing nicotine free cigarette substitute
CN102578697A (en) Irradiation degradation method for tobacco-specific nitrosamines in cigarette
CN102250813A (en) Bacillus pumilus preparation for processing tobacco stems
CN103750548B (en) Reduce the method for crotonaldehyde release amount redrying and alcoholization
CN103689792A (en) Composite filter rod with corncob particles
CN103892437A (en) Novel tobacco production method
CN102586016A (en) Sweet mary extract and application thereof
CN102703214B (en) Spice for cigarettes and extracting method and application thereof
CN103783646A (en) Redrying and alcoholizing method for reducing release amount of ammonia
CN102266117A (en) Production method of liquid cigarette
CN104774693A (en) Tobacco flower essential oil prepared from tobacco waste and application and preparation method thereof
CN105779307A (en) Trichoderma aureoviride strain and method for preparing Pu'er Tea tobacco flavor
CN102100400B (en) Method for treating tobacco
CN112553955A (en) Perfuming and moisture-retaining groove paper and preparation method of groove filter tip

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20161221

Address after: Nanping Nan'an District of Chongqing City Road 400060 No. 2

Patentee after: CHONGQING CHINA TOBACCO INDUSTRIAL CO., LTD.

Patentee after: CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD.

Address before: 610000 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No.

Patentee before: China Tobacco Chuanyu Industry Co., Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160914

Termination date: 20170128

CF01 Termination of patent right due to non-payment of annual fee