CN1220459C - Application of bamboo leaf extract as free radical scavenger of tobacco products and relevant tobacco products thereof - Google Patents
Application of bamboo leaf extract as free radical scavenger of tobacco products and relevant tobacco products thereof Download PDFInfo
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- CN1220459C CN1220459C CN 200410022412 CN200410022412A CN1220459C CN 1220459 C CN1220459 C CN 1220459C CN 200410022412 CN200410022412 CN 200410022412 CN 200410022412 A CN200410022412 A CN 200410022412A CN 1220459 C CN1220459 C CN 1220459C
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- free radical
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Abstract
The present invention belongs to an application of a natural extract of plant in tobacco manufacture. An extract of bamboo leaf is used as the free radical scavenger for tobacco products, and the added extract can be the extract of a plurality of mixed ingredients or the mixture of one or more of separated extracts. The tobacco products can be cigarettes, cigars or pipe tobacco shreds. For cigarettes, the extract of bamboo leaf can be added into the tobacco shreds or inside the filter tip; if the extract of bamboo leaf is added into the tobacco shreds, the step can be carried out during the process of rolling the tobacco shreds, and the extract of bamboo leaf accounts for 0.02 to 0.06 wt% of the tobacco shreds. The invented product of the present invention is the tobacco product of the purpose. The application develops a new health care function and a new application field of bamboo leaf. As a free radical scavenger for cigarettes, the extract of bamboo leaf has the advantages of obvious effect and good application prospect for the development of safety tobacco with low toxicity and low free radical.
Description
Affiliated technical field
The invention belongs to the natural plant extract in the tobacco product Application in Manufacturing Industry.
Background technology
People aspirate the flue gas that the tobacco product burning is produced, but have the free radical of cytotoxic molecule in the flue gas.These cytotoxic molecules bring out cancer in smoker's body, particularly lung cancer.The safety-type tobacco product of Development and Production low free radical is the important R﹠D direction of tobacco product industry in recent years.
The main active ingredient of bamboo extractive is: flavonoids and glucoside thereof, and the active polysaccharide class, extraordinary amino acid and peptide class thereof, various trace elements such as manganese, zinc, selenium, and based on fragrance ingredient of aldehyde, alcohol etc.
The leaf of bamboo has long utilization history in China, is traditional simply heat-clearing and detoxifying drug.Its drug effect is all on the books in ancient books such as " book on Chinese herbal medicine is looked for the truth ", " herbal classic is met former ", " medicine justice ", " through day " and present " Chinese medicine voluminous dictionary ".In addition, the people in area, the middle and lower reach of Yangtze River are since ancient times with regard to the useful custom that waits the BAMBOO LEAVES BUN pyramid-shaped dumpling, and the southwest is except that the leaf with rice-pudding leaf reed, and also with BAMBOO LEAVES BUN pyramid-shaped dumplings such as Long Zhu, the Japanese likes using BAMBOO LEAVES BUN food.The volatile ingredient that extracts from the leaf of bamboo and get has the delicate fragrance of greenery, can be used as the pastil that adds of food additives or washing, cosmetics.Bamboo scented rice as the Hunan.Bamboo extractive can be as the antistaling agent of food such as meat, bean curd etc.The leaf of bamboo also can extract the preparation chlorophyll copper sodium, and it is a kind of safe natural food coloring agent.The Japanese has extracted Bamfolin powder (its active ingredient is a kind of polysaccharide) from indicalamus leaf, AH39 has 100% inhibitory action to the liver ascites tumor, nasopharyngeal carcinoma, palate cancer, abdominal cavity cancer, cancer of the stomach, oophoroma, cancer of the esophagus and sarcoma etc. all there are in various degree curative effect, and take for a long time liver, blood are all had no side effect.The mao bamboon extract is carried out purifies and separates get a kind of active polysaccharide, can strengthen the phagocytic activity of animal used as test peritoneal macrophage, transplantability lung cancer is had inhibitory action.But bamboo extractive as the free radical scavenger in the tobacco product suction, be there is no bibliographical information so far in the world wide.
Summary of the invention
The object of the present invention is to provide the new purposes of the leaf of bamboo, the purposes of bamboo extractive as the tobacco product free radical scavenger promptly is provided,, satisfy pressing for of cigarette industry exploitation low free radical safety type cigarette with the regional advantages of performance natural plant resource.
The technical scheme of purposes invention is among the present invention: the extract of the leaf of bamboo is used as free radical scavenger in the tobacco product suction.Said tobacco product can be a cigarette, also can be cigar or tobacco pipe pipe tobacco.If cigarette, then the extract of the leaf of bamboo can add in the pipe tobacco of cigarette, also can add in the filter tip of cigarette.
The bamboo extractive that is added can be the extract under the multiple composition admixture, also can be the mixture of isolated a kind of extract or more than one extracts the extract under multiple composition admixture.
The approach that obtains bamboo extractive has multiple, for example can obtain by polar solvent such as alcohol or aqueous alcohols solvent extraction.The alcohol that is used as solvent especially can be ethanol.This extract also can obtain by supercritical carbon dioxide extracting.Certainly also can carry out supercritical carbon dioxide extracting more earlier after polar solvent extracts obtains.
The method of extracting and separating the one-tenth branch of bamboo extractive is a prior art, and it reports visible many public publications, as: 1, Xu Gang etc., " research of flavones extracting method in the leaf of bamboo ", " analytical chemistry bulletin ", 2000.07.20; 28 (70): 857-859.2, Zhang Ying, " from the leaf of bamboo, extracting the production method of flavonoid compound extract or pulvis ", " Liaoning medicine ", 2000.03.15; 15 (1): 40.
If bamboo extractive is added in the pipe tobacco of cigarette, can roll in the process at the pipe tobacco of production of cigarettes and implement.Be added into the bamboo extractive in the pipe tobacco, can account for 0.02%～0.06% of pipe tobacco weight, be preferably and account for 0.03%～0.05% of pipe tobacco weight.Bamboo extractive can be dissolved in the solvent, the solvent that is dissolved with bamboo extractive is sprayed on the pipe tobacco, evaporate said solvent subsequently.
Product of the present invention, the tobacco product that is obtained by above-mentioned bamboo extractive purposes invention exactly.
The anti-oxidant behavior of antioxidant has certain selectivity.The main component of the free radical in the smoking gas phase is alkanes and alcoxyl type free base.Will effectively remove the free radical in the flue gas, selected antioxidant should have versatility, promptly has the ability of removing multiple free radical.Patent applicant's series of experimental research result shows that the bamboo extractive of adding can be removed the free radical in the flue gas effectively when tobacco product aspirates, and promptly bamboo extractive meets the requirement of removing free radical in the tobacco.Add the tobacco product of bamboo extractive and comparing of not adding, no matter the molecule of cytotoxin free radical in the former flue gas is a gas phase or a phase, can both significantly be reduced.
The invention has the beneficial effects as follows, excavated new health purpose, opened up a new application for the leaf of bamboo.Bamboo extractive is as the tobacco product free radical scavenger, and effect is obvious, and exploitation low toxicity safety-type tobacco product harmful, low free radical is had good application prospects.
Description of drawings
Fig. 1 is two original record curves of grain phase free radical paramagnetic resonance signal, and wherein (a) is blank test, (b) is clearance test.
Fig. 2 is two original record curves of gaseous phase free radical paramagnetic resonance signal, and wherein (a) is blank test, (b) is clearance test.
The present invention is described further by embodiment below, but scope of invention is not subjected to the limitation of illustrated embodiment.
The specific embodiment
See following embodiment.
(1) preparation of bamboo extractive
With solvent-resin method preparation.The dragon leaf of bamboo picks up from the Baoshan Prefecture, Yunnan.Process: imperial bamboo bamboo leaf powder → Me
2The CO degreasing, alcohol extract → ethanol extract → recovery EtOH, the pretreated D-101 type macroporous absorbent resin → water elution that is dissolved in water → crosses is use up non-saponin polar components such as free sugar, EtOH wash-out → EtOH eluent → activated carbon decolorizing, and filtration → filtrate → drying → must extract.The main component molecular structure of extract following (wherein R1, R2, R3 are respectively about 20 kinds of variety classes flavones molecule):
(2) in the pipe tobacco of cigarette, add the extract that is obtained
Extract rolled in the pipe tobacco of production of cigarettes add pipe tobacco in the process.Be added into the bamboo extractive in the pipe tobacco, account for 0.04% of pipe tobacco weight.Concrete grammar is earlier the said extracted thing of the leaf of bamboo to be dissolved in the ethanol, and the ethanol that is dissolved with bamboo extractive evenly is sprayed on the pipe tobacco, and ethanol is evaporated subsequently.Pipe tobacco rolls into test sample cigarette through cigarette machine.
(3) the removing effect of free radical in the cigarette smoke
The detection of free radical has multiple known method to adopt, electron spin resonance (ESR) for example, chromatography, chemoluminescence method, XRF, AAS etc.One of the device people such as visible Pryor that are used for holding back cigarette smoke gas phase and grain phase free radical publication " Environmengtal Health Perspectives " (1976, vol.16, report pp161-175).
The main electron paramagnetic resonance method that adopts is tested in the process of the present invention, also uses additive method, particularly AAS simultaneously, test result has been done contrast reflected card, and the result conforms to.Used EPR spectrometer is the BKER-EMX6/1 of German BRUKER company.
1, blank test
Is the concentration adjustment of the gaseous phase free radical trapping agent DMPO in the organic solvent-benzene 20 mMs, and use 5 cigarette that are not added with bamboo extractive (brand is " cloud and mist ") to carry out in its flue gas gas phase and grain catching of free radical mutually, carry out free radical mensuration with ESR then.
ESR instrument parameter: CF:3385G; SW:200G; MA:1G; SP:20MV.Location parameter: scan multiplication factor: 5 * 10 5 times
5How many visual sample free-radical contents of multiplication factor is adjusted.5 times mean value is calculated in parallel determination 5 times.
2, clearance test
Use 5 cigarette that are added with bamboo extractive (brand is " cloud and mist ") to carry out in its flue gas gas phase and grain catching of free radical mutually, repetition aforesaid operations.
Blank test and clearance test are all carried out record with automatic recording instrument to sample free radical signal peak height, and its peak height is directly proportional with free-radical contents, carries out the comparison of free-radical contents relative size with this.
Reduction effect to grain phase free-radical contents in the flue gas sees the following form:
| Numbering | 1 | 2 | 3 | 4 | 5 |
| Blank sample ESR peak height/cm | 6.0 | 6.0 | 7.3 | 7.3 | 6.65 |
| Sample survey ESR peak height/cm | 4.8 | 5.4 | 6.8 | 6.5 | 5.88 |
| Peak height reduced rate/% | 20.0 | 10.0 | 6.9 | 11.0 | 11.6 |
As can be seen from the above table, because the inhomogeneities that sample cigarette rolls, bamboo extractive reduces the ratio of grain phase free radical in the cigarette smoke between 6.9～20.0%, and mean value is 11.6%.
Result of the test shows that also the ratio mean value that bamboo extractive reduces gaseous phase free radical in the cigarette smoke is 17.8%
Fig. 1 is two original record curves of grain phase free radical paramagnetic resonance signal, and wherein (a) is blank test,, its free radical signal peak height is 7.3cm.(b) be clearance test, its free radical signal peak height is 6.8cm.
Fig. 2 is two original record curves of gaseous phase free radical paramagnetic resonance signal, and wherein (a) is blank test, and its free radical signal peak height is 14.9cm.(b) be clearance test, its free radical signal peak height is 10.0cm.
Claims (5)
1, bamboo extractive is as the purposes of tobacco product free radical scavenger.
2, purposes as claimed in claim 1 is characterized in that wherein said bamboo extractive obtains for extracting by polar solvent.
3, as the purposes of claim 1 or 2, it is characterized in that bamboo extractive is added in the pipe tobacco of cigarette, and roll in the process at the pipe tobacco of production of cigarettes and to implement, the bamboo extractive that is added in the pipe tobacco accounts for 0.02%～0.06% of pipe tobacco weight.
4, purposes as claimed in claim 3, the bamboo extractive that it is characterized in that being added in the pipe tobacco accounts for 0.03%～0.05% of pipe tobacco weight.
5, purposes as claimed in claim 4 is characterized in that bamboo extractive is dissolved in the solvent, and the solvent that is dissolved with bamboo extractive is sprayed on the pipe tobacco, evaporates said solvent subsequently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022412 CN1220459C (en) | 2004-04-26 | 2004-04-26 | Application of bamboo leaf extract as free radical scavenger of tobacco products and relevant tobacco products thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022412 CN1220459C (en) | 2004-04-26 | 2004-04-26 | Application of bamboo leaf extract as free radical scavenger of tobacco products and relevant tobacco products thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1568840A CN1568840A (en) | 2005-01-26 |
| CN1220459C true CN1220459C (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410022412 Expired - Fee Related CN1220459C (en) | 2004-04-26 | 2004-04-26 | Application of bamboo leaf extract as free radical scavenger of tobacco products and relevant tobacco products thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006099798A1 (en) * | 2005-03-21 | 2006-09-28 | Zhejiang University (Hangzhou) Innoessen Bio-Technology Co., Ltd. | A method for using bamboo leaf extract as acrylamide inhibitor for heat processing food |
| CN101919581B (en) * | 2009-06-15 | 2012-12-26 | 福建中烟工业有限责任公司 | Method for preparing lophatherum gracile reconstituted sheet and application of lophatherum gracile reconstituted sheet in tobacco product |
| CN102058153A (en) * | 2011-01-18 | 2011-05-18 | 彭荣淮 | Tobacco sheet for replacing indocalamus leaf and preparation method thereof |
| CN112535316A (en) * | 2020-09-28 | 2021-03-23 | 刘永刚 | Free radical adsorbent for cigarette smoke and its usage |
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Effective date of registration: 20060217 Address after: 650031 Yunnan University, Yunnan, Kunming Patentee after: Yunnan University Address before: 121 Kunming 650031 Avenue, Yunnan, Yunnan University, Department of Applied Chemistry, School of chemical and materials engineering Patentee before: Li Cong |
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