CN101862028A - Wintergreen extraction method, cigarette comprising same and preparation method thereof - Google Patents
Wintergreen extraction method, cigarette comprising same and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a wintergreen extraction method, a cigarette comprising same and a preparation method thereof, solving the technical problem of increasing cigarette aroma. The wintergreen extraction method comprises: refluxing and extracting, filtering and concentrating. In the cigarette comprising the wintergreen extractive, wintergreen extractive accounting for 0.001-20% of tobacco shred mass is added in the tobacco shred of the cigarette. The preparation method of the cigarette comprising the wintergreen comprises: dissolving wintergreen extractive by ethanol; evenly spraying onto the tobacco shred; naturally airing; and preparing into the cigarette by the common cigarette technology. Compared with the prior art, the invention contains the wintergreen extractive in the tobacco shred; in the smoking process, wintergreen extractive can enter the human body along with main smoke flow and is adsorbed by the human body through blood circulation so as to perform the functions of stimulating heart, lowering blood pressure, expanding blood vessels, improving immunity, resisting aging, strengthening, resisting fatigue, resisting pregnancy, performing antibiosis and the like; the cigarette has faint scent, full and pure smoke, has after sweetness and no offensive taste and can improve the smoking quality of cigarettes.
Description
Technical field
The present invention relates to a kind of plant extracting method, contain cigarette of this plant and preparation method thereof, particularly a kind of extracting method that contains flavouring, health plant, contain cigarette of this plant and preparation method thereof.
Background technology
China pays much attention to the harmful work of falling of cigarette, and since 2005, State Tobacco Monopoly Bureau has organized cigarette harm index system and two great special research work of cigarette flavouring humectation, has obtained certain achievement." level on the cigarette " proposed since 2009, be that State Tobacco Monopoly Bureau adapts to new situation, new problem, to national tobacco business requirement, make every effort to advancing aspect raw material guarantee, the technological innovation with all strength, can can technological innovation go up level, depend primarily on obtain important breakthrough on key technology.Wherein reduce by 7 indexs of cigarette harm be meant reduce CO, HCN, NNK (TSNA), NH3, B[a in the cigarette main flume] P, phenol and crotonaldehyde.The humectation of cigarette flavouring is to promote Chinese style cigarette quality in addition, increases perfume quantity, carries and raise note, set off nature cigarette perfume (or spice), reduces the flue gas drying sense, strengthens the promote the production of body fluid key of sense, raising cigarette comfort level of flue gas.The humectation of research cigarette flavouring helps improving cigarette product design, processing complex art level comprehensively, helps outstanding Chinese style cigarette style characteristic, strengthens Chinese style cigarette competitiveness.Existing in this respect a plurality of patent applications, as Chinese patent application 200610128283.3 disclosed Sargassum fusiforme aqueous extracts and the application in tobacco thereof, Sargassum fusiforme aqueous extract is joined on the cigarette shreds with feed liquid as cigarette, when burning and sucking cigarette, can produce special chemical component, obviously improve or improve the quality quality of cigarette, have the effect of promoting the production of body fluid significantly and certain relieving cough function, and can reduce some harmful components in the cigarette mainstream flue gas, do not change original performance of cigarette, do not change or influence the sucking quality of cigarette.Chinese patent application number 200710066340.4 disclosed a kind of moist-keeping flavouring additive agents and preparation method thereof, respectively with solvent extraction and refining, moist-keeping flavouring additive agent is made in allotment then with special tobacco, marine alga, vanilla.However, the cigarette of prior art can not be satisfied increases fragrance, the enhancing flue gas promotes the production of body fluid and feels and reduction cigarette harm needs, also will further utilize new industrial research and develop high-quality slender joss stick low harm cigarette new product, to satisfy smoker's needs.
Summary of the invention
The purpose of this invention is to provide a kind of wintergreen extracting method, contain cigarette of wintergreen extract and preparation method thereof, the technical problem that solve is to increase cigarette flavor, strengthen the flue gas sense of promoting the production of body fluid.
A kind of wintergreen extracting method may further comprise the steps: one, with dried wintergreen, removes impurity, is crushed to 10 orders, add 95% ethanol of 8 times, 5 times quality respectively, and refluxing extraction 2 times, each 3 hours, merge 2 times alcohol extract, filter; Two, filtrate concentrates 3 hours under 0.05Mpa, 60 ℃ of conditions, filters the wintergreen extract that obtains.
A kind of wintergreen extracting method may further comprise the steps: may further comprise the steps: one, with dried wintergreen, remove impurity, add the hot water of 10 times of quality, 100 ℃ of lixiviates 2 times each 5 hours, merge 2 times water extract, filtration; Two, filtrate concentrates 3 hours under 0.05Mpa, 70 ℃ of conditions; Three, the filtrate after will concentrating adds 80% ethanol of 5 times of volumes, is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions; Five, 75% ethanol that adds 3 times of volumes is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Six, filtrate concentrates 1 hour under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
A kind of wintergreen extracting method may further comprise the steps: may further comprise the steps: one, with dried wintergreen, remove impurity, material, liquid mass ratio are 1: 15, and room temperature is used flooding 2 hours, each 30 minutes time, filtration, merging filtrate; Two, under 0.05Mpa, 70 ℃ of conditions, concentrate 3 hours; Three, the filtrate after will concentrating adds 75% ethanol of 10 times of volumes, is no more than 10 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
A kind of cigarette that contains the wintergreen extract has pipe tobacco, and adding in the described pipe tobacco has tobacco quality 0.001～20% wintergreen extract.
Add in the pipe tobacco of the present invention tobacco quality 1% wintergreen extract is arranged.
Add in the pipe tobacco of the present invention tobacco quality 0.1% wintergreen extract is arranged.
Add in the pipe tobacco of the present invention tobacco quality 0.01% wintergreen extract is arranged.
A kind of preparation method who contains the cigarette of wintergreen extract, may further comprise the steps: after the wintergreen extract is dissolved with 75% ethanol, the mass concentration of solution is 1-10%, the ratio that accounts for tobacco quality 0.001-10% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, naturally dry, cigarette process is made cigarette routinely again.
The mass concentration of solution of the present invention is 10%.
The mass concentration of solution of the present invention is 8%.
The present invention compared with prior art, the main component Pyrolin that contains the wintergreen extract in the pipe tobacco, in smoking process, can enter human body with main flume, be absorbed by the body by blood circulation, thereby bring into play functions such as its cardiac stimulant, step-down, hemangiectasis, raising immunity, anti-ageing, strong, antifatigue, anti-pregnant, antibacterial action, the cigarette smoke delicate fragrance of making by the cigarette common process, full, pure and mild, Hui Tian, the assorted gas of nothing, can improve the cigarette smoking quality, reduce the harmfulness of flue gas human body.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.Wintergreen extracting method one of the present invention, may further comprise the steps: one, with dried wintergreen, remove impurity, be crushed to 10 orders, add 95% ethanol of 8 times, 5 times quality respectively, refluxing extraction 2 times, each 3 hours, adopt the TQ-3 multi-function extractor of Hengyang City Zhongyi Pharmacy Machine Co., Ltd, power 5.5KW, merge 2 times alcohol extract, filter; Two, filtrate concentrates 3 hours under 0.05Mpa, 60 ℃ of conditions, filters the wintergreen extract that obtains.
Wintergreen extracting method two of the present invention may further comprise the steps: one, with dried wintergreen, remove impurity, add the hot water of 10 times of quality, 100 ℃ of lixiviates 2 times each 5 hours, merge 2 times water extract, filtration; Two, filtrate concentrates 3 hours under 0.05Mpa, 70 ℃ of conditions; Three, the filtrate after will concentrating adds 80% ethanol of 5 times of volumes, is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions; Five, 75% ethanol that adds 3 times of volumes is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Six, filtrate concentrates 1 hour under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
Wintergreen extracting method three of the present invention, may further comprise the steps: one, with dried wintergreen, remove impurity, material, liquid mass ratio are 1: 15, room temperature is used flooding 2 hours, adopts the KJ-1200 supersonic wave cleaning machine of clean ultrasonic electronic equipment Co., Ltd of Wuxi City section, and ultrasonic power is 80W, each 30 minutes time, filtration, merging filtrate; Two, under 0.05Mpa, 70 ℃ of conditions, concentrate 3 hours; Three, the filtrate after will concentrating adds 75% ethanol of 10 times of volumes, is no more than 10 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
The cigarette that contains the wintergreen extract of the present invention, adding in the pipe tobacco of cigarette has tobacco quality 0.001～20% wintergreen extract.
The preparation method who contains the cigarette of wintergreen extract of the present invention, may further comprise the steps: after the wintergreen extract is dissolved with 75% ethanol, the mass concentration of solution is 1-10%, the ratio that accounts for tobacco quality 0.001-10% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, naturally dry, cigarette process is made cigarette routinely again.
The wintergreen extract is Pyrolaceae Pyrolaceae, and the dry herb of pyrola Pyrola plant wintergreen Pyrolacalliantha H.Andres or ovum leaf wintergreen Pyrola decorata H.Andres extracts and gets.Generally believe that in traditional traditional Chinese medicine wintergreen has the effect of clearing and antitussive, inhibiting bacteria and diminishing inflammation, curing rheumatism, strengthening the bones and muscles.Wintergreen has than obvious curative effects cardiovascular disease discovered in recent years.Wintergreen is distributed in China northeast and southwestern, each province, south China.The record of wintergreen sees " the southern regions of the Yunnan Province book on Chinese herbal medicine " the earliest, the another name wintergreen of wintergreen, Xiao Qin imperatoria, POXUE DAN, paper back of the body smallflower milkwort herb with root, laminated sanicle herb, red false aloe, HERBA PYROLAE, deer peace tea, false wintergreen, the diseases such as haematemesis, rheumatism paralysis, waist-leg weakness, menorrhalgia, impairment and cough of a specified duration that are used for the treatment of among the people.
There are some researches show, contain Pyrolin pyrolin in the wintergreen plant
Homoarbutin homoarbutin
Pyrolatin pirolatin
Hyperoside hyperin
Chimaphilin chimaphillin
Quercetin quercetin, gallic acid gallicacid
Volatile oil, amaroid and tannin etc.Also more and more deep to the pharmacological research of wintergreen extract both at home and abroad, and demonstrate good prospects for application.Modern age, pharmacological evaluation showed, the wintergreen extract has functions such as cardiac stimulant, step-down, hemangiectasis, raising immunity, anti-ageing, strong, antifatigue, anti-pregnant, antibacterial action.The pharmacological action of wintergreen extract has: 1, to cardiovascular effect: the wintergreen preserved material has the increase myocardial contractive power to the weak frog heart, antiarrhythmic effect, but normal isolated frog heart effect is not being shown.It also can make dog, rabbit myocardial contractive power strengthen, and blood vessel is showing to be expanded, blood pressure drops, and the effect beguine of leaf, stem are strong.Cardiac stimulant, step-down, hemangiectasis effect, wherein active ingredient chimaphilin chimaphillin, Pyrolin pyrolin and homoarbutin homoarbutin have cardiotonic, the effect of the platelet aggregation of chimaphilin chimaphillin inhibition simultaneously is much better than the aspirin low dose, can increase coronary flow, the wintergreen preparation also can improve symptom to patients with coronary heart disease, there are some researches show that also the wintergreen preserved material can make cardiac arrhythmia recover normal, and blood vessel is significantly expanded.2, strong analgesic effect: the main component 2 in the wintergreen " O-galloyl Hyperoside 2 "-O-gallaogl-hyperin has very strong tannin activity; abroad, the pyrola plant is commonly used for the anodyne and the hemostatic of tonic, sedative, rheumatoid arthritis.Crude drug is usually used in the antidote that snake, worm and dog etc. are bitten.3, antibacterial action: the wintergreen water decoction has inhibitory action to staphylococcus aureus, hemolytic streptococcus, pneumococcus, meningococcus, shigella flexneri, typhoid bacillus and Pseudomonas aeruginosa etc., Pyrolin pyrolin also all has inhibitory action to staphylococcus aureus, typhoid bacillus, Pseudomonas aeruginosa, proteus, sonne bacillus and Escherichia coli, and its MIC is respectively: 12.5,12.5-50,20-50,50 and 100mcg/ml.4, anti-pregnant effect: female mice was obeyed the wintergreen decoction totally 10 days every day, rose with male mouse in the 5th day to mate common January, suppressed fertility and reached 100%, took medicine 10-30 days, can suppress oestrus, caused uterus and ovarian atrophy.5, improve immunity: wintergreen 50% decocting liquid can improve active E one rosette and form, and 1: 20 o'clock rosette formation rate is 34.5 ± 1.48%, and the bow structure formation rate of normal control is 21.8 ± 2.15%.Wintergreen decocting liquid can also promote lymphocyte transformation, and 1: 20 o'clock conversion ratio reaches 65.0 ± 0.5%, and the conversion ratio of physiological saline control group is 1.0 ± 0.5%, and the conversion ratio of PHA control group (50 HAUs) is 76.0 ± 1.0%.
Wintergreen extract of the present invention joins in the cigarette shreds, during smoking, and the cigarette smoke free from extraneous odour, Hui Tian is arranged, fall the evil effect, can improve the strength of cigarette, reduce the harmful components in the cigarette mainstream flue gas, the flavouring humectation, can obviously keep moisture in cut tobacco, cigarette has the distinctive fragrance of wintergreen itself, enriches cigarette perfume (or spice), improves the comfort level of cigarette smoking, have and significantly return sweet taste, and reduce the excitant of flue gas throat.
The cigarette that contains the wintergreen extract of the present invention, regulate the moisture content of cigarette sample by national standard " atmospheric environment that GB/T16447-2004 tobacco and tobacco product are regulated and tested ", by the requirement of group of smokeing panel test of the provincial cigarette in Guangdong by " specification requirement of GB5606.4-2005 cigarette sense organ ", following embodiment is carried out the cigarette aesthetic quality to smoke panel test, Comparative Examples is not for adding the blank cigarette of wintergreen extract, and smoking result sees Table 1.From the contrast smoking result as can be seen, the cigarette that contains the wintergreen extract of the present invention has kept the original style of cigarette constant, increase the sense of flue gas delicate fragrance, cigarette smoke is pure and mild, full, free from extraneous odour, assorted gas, and harmony is better, and significantly time sweet taste is arranged, improve the comfort level of cigarette smoking.
By the method for " mensuration of YC/T184-2004 tobacco and the peculiar N-nitrosamine of tobacco product tobacco " regulation, measure the distinctive N-nitrosamine of tobacco TSNA.By the method for " the mensuration continuous flow method of hydrogen cyanide in the YC/T 253-2008 cigarette mainstream flue gas " regulation, measure hydrogen cyanide HCN.By the method for " the mensuration high performance liquid chromatography of main carbonyls in the YC/T 254-2008 cigarette mainstream flue gas " regulation, crotonaldehyde is measured.Testing result sees Table 2, and the cigarette that contains the wintergreen extract of the present invention is compared with the blank cigarette of Comparative Examples, and the tobacco-specific nitrosamine TSNA in the flue gas, hydrogen cyanide HCN, crotonaldehyde reduce 10-15%, shows to have the evil effect of falling.
Embodiment 1, with dry wintergreen medicinal material, remove impurity, and be crushed to 10 orders, 95% ethanol that adds 8 times, 5 times quality respectively, refluxing extraction 2 times each 3 hours, merges 2 times alcohol extract, filter, filtrate concentrates 3 hours under 0.05Mpa, 60 ℃ of conditions, filter the wintergreen extract that obtains.With the wintergreen extract, after the dissolving of 75% ethanol, mass concentration is 10%, and the ratio that accounts for tobacco quality 1% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, dries naturally, and cigarette process is made cigarette routinely again.
Embodiment 2, with dry wintergreen medicinal material, remove impurity, the hot water that adds 10 times of quality, 100 ℃ of lixiviates 2 times, each 5 hours, merge 2 times water extract, filter, filtrate concentrates 3 hours under 0.05Mpa, 70 ℃ of conditions, the filtrate after concentrating is added again 80% ethanol of 5 times of volumes, being no more than 4 ℃ left standstill 12 hours, filter, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions, add 75% ethanol of 3 times of volumes again, being no more than 4 ℃ left standstill 12 hours, filter, filtrate concentrates 1 hour under 0.05Mpa, 60 ℃ of conditions, obtain the wintergreen extract.After the dissolving of 75% ethanol, mass concentration is 10% with the wintergreen extract, and the ratio that accounts for tobacco quality 0.1% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, dries naturally, and cigarette process is made cigarette routinely again.
Embodiment 3, with dry wintergreen medicinal material, remove impurity, with flooding 2 hours, material, liquid mass ratio were 1: 15, and ultrasonic power is 80W, 30 minutes time, filter, filtrate concentrates 3 hours under 0.05Mpa, 70 ℃ of conditions, the filtrate after concentrating is added again 75% ethanol of 10 times of volumes, being no more than 10 ℃ left standstill 12 hours, filter, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions, obtain the wintergreen extract.After the dissolving of 75% ethanol, mass concentration is 8% with the wintergreen extract, and the ratio that accounts for tobacco quality 0.01% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, dries naturally, and cigarette process is made cigarette routinely again.
The wintergreen extract is after the dissolving of 75% ethanol, and mass concentration is 1-10%, all can evenly be sprayed onto on the pipe tobacco.About the consumption of wintergreen extract,, all can reach effect preferably as long as in the 0.001-20% of pipe tobacco weight.And the wintergreen extract also can adopt the method for any known to obtain.
The marking of table 1 cigarette aesthetic quality smoking result
| Sample | Gloss | Fragrance | Harmony | Assorted gas | Excitant | Pleasant impression | Add up to |
| Embodiment 1 | ??4 | ??29 | ??5 | ??10 | ??20 | ??22 | ??90 |
| Embodiment 2 | ??4 | ??29 | ??5 | ??8 | ??18 | ??22 | ??86 |
| Embodiment 3 | ??3 | ??30 | ??5 | ??10 | ??20 | ??20 | ??88 |
| Comparative Examples | ??4 | ??28 | ??5 | ??10 | ??17 | ??20 | ??84 |
Harmful measurement result falls in cigarette and blank cigarette that table 2 contains the wintergreen extract
Claims (10)
1. wintergreen extracting method may further comprise the steps: one, with dried wintergreen, remove impurity, be crushed to 10 orders, add 95% ethanol of 8 times, 5 times quality respectively, refluxing extraction 2 times each 3 hours, merges 2 times alcohol extract, filtration; Two, filtrate concentrates 3 hours under 0.05Mpa, 60 ℃ of conditions, filters the wintergreen extract that obtains.
2. wintergreen extracting method may further comprise the steps: may further comprise the steps: one, with dried wintergreen, remove impurity, add the hot water of 10 times of quality, 100 ℃ of lixiviates 2 times each 5 hours, merge 2 times water extract, filtration; Two, filtrate concentrates 3 hours under 0.05Mpa, 70 ℃ of conditions; Three, the filtrate after will concentrating adds 80% ethanol of 5 times of volumes, is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions; Five, 75% ethanol that adds 3 times of volumes is no more than 4 ℃ and leaves standstill more than 12 hours, filters; Six, filtrate concentrates 1 hour under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
3. wintergreen extracting method may further comprise the steps: may further comprise the steps: one, with dried wintergreen, remove impurity, material, liquid mass ratio are 1: 15, and room temperature is with flooding 2 hours, each 30 minutes time, filter, merging filtrate; Two, under 0.05Mpa, 70 ℃ of conditions, concentrate 3 hours; Three, the filtrate after will concentrating adds 75% ethanol of 10 times of volumes, is no more than 10 ℃ and leaves standstill more than 12 hours, filters; Four, filtrate concentrates 2 hours under 0.05Mpa, 60 ℃ of conditions, obtains the wintergreen extract.
4. a cigarette that contains the wintergreen extract has pipe tobacco, it is characterized in that: adding in the described pipe tobacco has tobacco quality 0.001～20% wintergreen extract.
5. the cigarette that contains the wintergreen extract according to claim 4 is characterized in that: adding in the described pipe tobacco has tobacco quality 1% wintergreen extract.
6. the cigarette that contains the wintergreen extract according to claim 4 is characterized in that: adding in the described pipe tobacco has tobacco quality 0.1% wintergreen extract.
7. the cigarette that contains the wintergreen extract according to claim 4 is characterized in that: adding in the described pipe tobacco has tobacco quality 0.01% wintergreen extract.
8. preparation method who contains the cigarette of wintergreen extract, may further comprise the steps: after the wintergreen extract is dissolved with 75% ethanol, the mass concentration of solution is 1-10%, the ratio that accounts for tobacco quality 0.001-10% in the wintergreen extract evenly is sprayed onto on the pipe tobacco, naturally dry, cigarette process is made cigarette routinely again.
9. the preparation method who contains the cigarette of wintergreen extract according to claim 8 is characterized in that: the mass concentration of described solution is 10%.
10. the preparation method who contains the cigarette of wintergreen extract according to claim 8 is characterized in that: the mass concentration of described solution is 8%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329208A (en) * | 2011-05-31 | 2012-01-25 | 苏州派腾生物医药科技有限公司 | Method for extracting chimaphilin from one-flowered wintergreen |
| CN102838685A (en) * | 2012-09-29 | 2012-12-26 | 贵州省中国科学院天然产物化学重点实验室 | Wintergreen pure polysaccharide LTC-0-1 and application thereof |
| CN108142442A (en) * | 2017-12-13 | 2018-06-12 | 中央民族大学 | A kind of wintergreen extract and its application as Genes For Plant Tolerance fungus |
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| WO2006097447A1 (en) * | 2005-03-14 | 2006-09-21 | Axamed Limited | Combined use of herbal cigarettes and nicotine replacement therapy |
| CN101401591A (en) * | 2008-11-24 | 2009-04-08 | 王占斌 | Method for extracting bactericide from wintergreen |
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2010
- 2010-06-09 CN CN 201010196080 patent/CN101862028B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006097447A1 (en) * | 2005-03-14 | 2006-09-21 | Axamed Limited | Combined use of herbal cigarettes and nicotine replacement therapy |
| CN101401591A (en) * | 2008-11-24 | 2009-04-08 | 王占斌 | Method for extracting bactericide from wintergreen |
Non-Patent Citations (1)
| Title |
|---|
| 《陕西中医学院学报》 20100331 朱玲等 鹿衔草中黄酮提取工艺的优选 61－62 1－3 第33卷, 第2期 2 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329208A (en) * | 2011-05-31 | 2012-01-25 | 苏州派腾生物医药科技有限公司 | Method for extracting chimaphilin from one-flowered wintergreen |
| CN102329208B (en) * | 2011-05-31 | 2013-09-04 | 苏州派腾生物医药科技有限公司 | Method for extracting chimaphilin from one-flowered wintergreen |
| CN102838685A (en) * | 2012-09-29 | 2012-12-26 | 贵州省中国科学院天然产物化学重点实验室 | Wintergreen pure polysaccharide LTC-0-1 and application thereof |
| CN102838685B (en) * | 2012-09-29 | 2014-09-24 | 贵州省中国科学院天然产物化学重点实验室 | Wintergreen pure polysaccharide LTC-0-1 and application thereof |
| CN108142442A (en) * | 2017-12-13 | 2018-06-12 | 中央民族大学 | A kind of wintergreen extract and its application as Genes For Plant Tolerance fungus |
| CN108142442B (en) * | 2017-12-13 | 2020-10-30 | 中央民族大学 | Wintergreen extract and application thereof as plant antibacterial material |
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