CN1821254A - Artificially cultivating nucleoside active matter in cordycepin and its preparing method and use - Google Patents
Artificially cultivating nucleoside active matter in cordycepin and its preparing method and use Download PDFInfo
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Abstract
The present invention relates to active nucleoside matter from artificially cultivated Cordyceps militaris and its preparation process and use. The preparation process includes crushing dry Cordyceps militaris, hot distillated water extraction, filtering, merging filtrate, decompression concentrating to obtain extractum, dissolving the extractum in acid, filtering to obtain acid solution, extracting the acid solution with dichloro methane, alkalifying the extracted acid solution with NaOH to pH 10, extracting with n-butanol, merging extracted liquid, and decompression concentrating to obtain the active nucleoside matter. Pharmaceutical research shows that the active nucleoside matter has high tumor inhibiting rate on liver cancer of mouse. The active nucleoside matter of the present invention may be prepared into antitumor medicine and has the features of high curative effect, low toxicity, etc.
Description
Technical field:
The present invention relates to the nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. (Cordyceps militaris (L.) Link), and its production and use.
Background technology:
Cordyceps militaris (L.) Link. [Cordyceps militaris (L.) Link], another name Cordyceps militaris (L.) Link., Cordyceps militaris, belong to Mycophyta (Eumycota) Ascomycotina (Ascomycotina) gang pyrenomycetes (Pyrenomycetes) Spheeriales (Sphaeriales) Clavicipitaceae (Clavicipitaceae) Cordyceps (Cordyceps), Chinese scholars thinks that the imperfect stage of Cordyceps militaris (L.) Link. is cephalo bacterium (Cephalosporium) or Paecilomyces varioti (Paecilomyces).Cordyceps militaris (L.) Link. is a cosmopolitan species, mainly is distributed in states such as China, the U.S., Japan, USSR (Union of Soviet Socialist Republics), West Germany, Canada, Italy.China mainly is grown in provinces and regions such as Jilin, Liaoning, Hebei, Shaanxi, Guangxi, Guangdong, Yunnan, Sichuan, Guizhou, Hubei, Hunan.
Cordyceps sinensis generally is grown in the above extremely frigid zones of height above sea level 3800 granular snow lines, and the sea level elevation of growing environment, weather condition etc. are had special requirement, natural resources scarcity.The biological study of Cordyceps sinensis shows, all there are the digenesis phenomenon in Cordyceps sinensis and parasitic pupa thereof, and can be single for the kind of the parasitic pupa of battalion, also very strict to the growth cycle requirement of parasitic pupa, so brought difficulty for its growth conditions of manual simulation.The researchist was once reaching inoculation culture on some polypide on the multiple substratum, except that on different substratum and the polypide that has, forming the bar-shaped coremium, do not observe at present the stroma (Song Zhenyu of perithecium and thecasporous perfect stage as yet, the herbal medicine modern study, combined publication society of China Concord Medical Science University of Beijing Medical University, 1995.100-110).
Because the artificial culture of Cordyceps sinensis can not obtain stroma, Chinese scholars focuses onto the liquid submerged fermentation that the fermentation engineering of seeking surrogate aspect and Applied Biotechnology has been carried out Cordyceps sinensis, succeeded in developing some fermented hypha products in succession and thrown in the medical market, for example paecilomyces hepiall chen, peaceful heart health-care capsule, zhiling capsules etc.
Cordyceps militaris (L.) Link. is grown in secondary forest belt more, ground surface environment is with in softwood forest, broad-leaf forest or the mixed forest, environment requirement does not have the Cordyceps sinensis strictness, the sea level elevation of growth is generally between 150-500 rice, live in the soil or the bark on leaf, thick grass and face of land seam in, its host mostly be the pupa of lepidopterous insects or larva (Xu Jintang, Chinese medicinal fungi is learned, the People's Health Publisher, 1995.354-395).At present, have report to show: the artificial culture of Cordyceps militaris (L.) Link. can grow stroma at solid medium with the bacterial classification inoculation that separates, purifying obtains from natural Cordyceps militaris (L.) Link., with the natural identical (Ran Cuixiang of Cordyceps militaris (L.) Link. stroma CF, cultivate the formation of bringing out of Cordyccps-militaris-(L.)-link. Sporophore, edible mushrooms, 2001.23 (4) 9-10).Liquid culture to Cordyceps militaris (L.) Link. can reach the imperfect stage, forms mycelium, and its zymotechnique has been carried out preliminary exploration (male, the Sun Shuyuan of Wang Qing, the progress of the medicinal Cordyceps mycelium of China's liquid culture, edible mushrooms, 1997.16 (3): 2-4).
Chemical ingredients is numerous in the Cordyceps sinensis fungus, comprises nucleoside compound, Cordyceps polysaccharide, sterols, amino acid, peptide class, organic acid, VITAMIN and trace element etc.Wherein nucleoside compound comprises cordycepin, adenosine, guanosine, uridine, VITAMIN B4, uridylic, xanthoglobulin, inosine etc.
Cunningham and Frederiksen (Cunningham K G etc., J Chem Soc, 1951,2299-2307; Frederiksen, Matting etc., Biochem Bio Acta, 1965,95:189-193) having equaled the reported first fifties isolates ucleosides antibiotic-cordycepin and finds its significant anti-cancer activity from the nutrient solution of Cordyceps militaris (L.) Link., caused the extensive attention of people to nucleoside compound in the Cordyceps sinensis fungus, new nucleosides material constantly is found.Xu great writer (Xu great writer etc., the research of the water soluble component-nucleoside compound of Cordyceps sinensis, bulletin of Chinese materia medica, 226～228) etc. 1988,13 (4): utilize strong-acid ion exchange resin, macroporous adsorbent resin and silica gel column chromatography from the stroma of Cordyceps sinensis is produced in Tibet, to get inosine, thymus pyrimidine, uridylic and the assorted xanthoglobulin that guanine is arranged; From polypide, obtain micro-xanthoglobulin, guanine, VITAMIN B4 and adenosine.Liu Jingming (Liu Jingming etc., Cordyceps militaris (L.) Link. chemical constitution study, CHINA JOURNAL OF CHINESE MATERIA MEDICA, 1989,14 (10): 32-33) wait the Dowex-I[chlorine type that utilizes] resin column separates from the Cordyceps militaris (L.) Link. mycelia and obtains VITAMIN B4, adenosine and cordycepin.Liu Ke (Jiang Hong etc.; artificial cordyceps militaris fruiting body's chemical ingredients; Acta Pharmaceutica Sinica 2000,35 (9): 663-668) wait methods such as utilizing silica gel column chromatography, preparation liquid phase, preparation thin layer from the ethanol extraction of the Cordyccps-militaris-(L.)-link. Sporophore of artificial culture, to separate and obtain cordycepin, adenosine, N6-methyladenosine, O5 '-ethanoyl cordycepin, N6-[β-(ethanamide formyl) oxygen ethyl] 5 nucleoside compounds such as adenosine.
The inventor's comparative study shows: though the domestic report of the Analysis of Nutritional of Cordyceps militaris (L.) Link. and Cordyceps sinensis is more, the content analysis of the multiple composition of Cordyceps militaris (L.) Link. ucleosides is not seen play-by-play.This study group measures through the HPCE method and finds, content of cordycepin can reach 5.04 times of natural Cordyceps militaris (L.) Link. stromas in the artificial culture Cordyceps militaris (L.) Link. stroma, and cordycepin, adenosine, guanosine content can reach 10.85,2.58,3.99 times of natural Cordyceps militaris (L.) Link. stroma respectively in the liquid culture Cordyceps militaris (L.) Link. fermented hypha.This shows that under the situation that natural cordyceps, Cordyceps militaris (L.) Link. resource constantly reduce, the mycelia that can utilize the Cordyceps militaris (L.) Link. stroma of artificial culture and liquid culture is product as an alternative.
In the Cordyceps mycelium of artificial culture and the stroma content majority of nucleoside compound approaching, have in addition surpassed natural cs.Especially content of cordycepin is apparently higher than natural cs in the Cordyceps militaris (L.) Link. mycelia of artificial culture and the stroma, and this is just for providing theoretical foundation the artificial culture Chinese caterpillar fungus as the surrogate of natural cs.
The seventies in 20th century, external scientist had once carried out big quantity research to the antitumour activity of cordycepin, but abandoned owing to its cytotoxicity is excessive.The principle that the present invention mainly " complements each other " according to each component/composition in the Chinese materia medica medication, be surprised to find that the nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. has in the good body and the effect of vitro inhibition tumour, cytotoxicity reduces simultaneously, and cost also reduces.
The inventor does not find the report about nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. and its production and use in the literature search process.
Summary of the invention
The object of the present invention is to provide a kind of nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. and its production and use that derives from, the nucleoside active matter that extracts in the artificial culture Cordyceps militaris (L.) Link. that obtains by preparation method of the present invention can be directly used in the treatment of liver cancer.
The present invention realizes by the following technical solutions.Under aseptic condition, the stroma of wild cordyceps militaris and pupal cell with 75% ethanol disinfection 20-30 second, are washed repeatedly with sterilized water, the sterile gauze suck dry moisture soaked 30 seconds with 0.1% mercuric chloride solution again, rinsed well repeatedly with sterilized water.Be cut into small pieces respectively by stroma head, stroma handle, pupal cell with the aseptic operation cutter, be inoculated on the PDA plate culture medium, 23 ℃ of dark cultivations 8 days of constant temperature.After growing white colony, be inoculated on the slant medium 23 ℃ of dark cultivations 8 days of thermostat container.Subculture once covers with the white hypha body on the inclined-plane again, the bacterium colony fine hair shape that is white in color, quality is tight, the edge is neat, continue 1-2 after generation, as mother plant preserve standby.
The female kind of Cordyceps militaris (L.) Link. inserted in the solid medium, and inoculum size is the 5ml/ bottle, 25 ℃ of dark cultivations, after mycelia has just covered substratum, taking-up is cultivated under natural lighting, and room temperature is controlled at 20-22 ℃, relative humidity 80%, when stroma grows tall to 4-5cm, occur the grain thorn on the stroma head, show maturation, press from both sides out stroma with tweezers, natural air drying, promptly.
Artificial culture Cordyceps militaris (L.) Link. dry product of the present invention also can adopt in the textbook method of the artificial culture Cordyceps militaris (L.) Link. of reporting in conventional or the document to cultivate and obtain.
Artificial culture Cordyceps militaris (L.) Link. dry product is pulverized, and the distillation water temperature lixiviate that adds 5-12 weight multiple is got 1-4 time, filter, and merging filtrate, concentrating under reduced pressure filtrate gets medicinal extract; With this medicinal extract with the acid dissolving, filter acid solution, the acid solution dichloromethane extraction; Acid solution after the extraction alkalizes to pH10 with NaOH, uses n-butanol extraction 1-5 time again, merges butanol extraction liquid, gets nucleoside active matter through concentrating under reduced pressure.The main chemical compositions of nucleoside active matter of the present invention and content thereof see the following form 1.
The content (μ g/g) of nucleoside compound in the Cordyceps militaris (L.) Link. dry product of table 1 capillary electrophoresis mensuration artificial culture
| Compound | The solid culture stroma |
| Cordycepin adenine AZT uracil adenosine hypoxanthine guanosine uridine | 281.9 - - 47.8 18.6 - 28.5 60.1 |
With this nucleoside active matter, make formulations such as powder agent, tablet, capsule, can be used for suppressing liver's tumour.
Antitumor drug with nucleoside active matter of the present invention is made can have 64.3% tumour inhibiting rate, because be the natural biological extracting substance, has the characteristics of low toxicity simultaneously.The extracting method of the nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. of the present invention carries out water after directly artificial culture Cordyceps militaris (L.) Link. dry product being pulverized and carries, and after simple impurity elimination, uses n-butanol extraction again, promptly gets nucleoside active matter through concentrating under reduced pressure.Can reach the effect that the nucleosides material extract is obtained purifying in separation and Extraction, be applicable to medicinal use better.
Preferred forms:
The invention will be further described below in conjunction with embodiment.
Embodiment 1
Artificial culture Cordyceps militaris (L.) Link. dry product 240g pulverizes, and adds distilled water in 1: 8 ratio (w/w), and secondary is got in the lixiviate of 60 ℃ of water-bath temperature, and each 2 hours, filter, merging filtrate, concentrating under reduced pressure filtrate gets medicinal extract I.
Medicinal extract I 2% diluted hydrochloric acid dissolution, filter acid solution, acid solution is with dichloromethane extraction five times;
Acid solution after the extraction alkalizes to pH10 with rare NaOH, uses n-butanol extraction again three times, merges butanol extraction liquid, obtains artificial culture Cordyceps militaris (L.) Link. nucleoside active matter through concentrating under reduced pressure, and its purity is greatly improved.
Embodiment 2
Cancer suppressing ratio is investigated:
External cancer suppressing ratio experiment:
1, draws rat liver cancer H respectively
22Cell suspension (liver cancer H
22Knurl source mouse ascites fluid and 10% calf serum RPMI-1640 were made by 1: 4);
2, obtained cell suspension 2ml adds in 48 well culture plates, and control group replaces with nutrient solution, and experimental group adds the dissolving suspension 200 μ l of Cordyceps militaris (L.) Link. nucleoside active matter, and every kind is subjected to the reagent thing to establish 5 parallel holes.Put into 5%CO
2, in 37 ℃ of cell culture incubators, cultivated 48 hours.
4, expect that with 0.4% tire blue solution dyes to above-mentioned experimental group and control group, viable cell is not painted, and dead cell is painted, and microscopically living cell counting number calculates external tumour inhibiting rate.
Press down the cancer experiment in the body:
Select 2 of 8-10 Kunming mouses in age in week, carry out tumor cell transplantation, get 7 days well-grown H of inoculation
22Mouse, aseptic condition extract ascites down, use physiological saline with dilution (v/v) in 1: 3.
Select 40 of 8-10 Kunming mouses in age in week, male and female half and half are in mouse inguinal region inoculation H
22Cell suspension 0.2ml inoculates next day, weighs, be divided into 4 groups at random, the every mouse of experimental group is irritated stomach 1ml with the Cordyceps militaris (L.) Link. extracting solution, and control group is irritated stomach 1ml with physiological saline under similarity condition, continuous 10 days, inoculate drug withdrawal in the 11st day, put to death animal next day, the stripping knurl is weighed, by formula calculate tumour inhibiting rate, repeat 3 experiments.
Existence fate and increase in life span:
Select 2 of 8-10 Kunming mouses in age in week, carry out tumor cell transplantation, get 7 days well-grown H of inoculation
22Mouse, aseptic condition extract ascites down, use physiological saline with dilution (v/v) in 1: 3.
Select 40 of 8-10 Kunming mouses in age in week, male and female half and half are in mouse peritoneal inoculation H
22Cell suspension 0.2ml inoculates next day, weighs, and random packet, grouping, medication and cancer suppressing ratio are investigated in the experiment identical, and the survival of observing mouse every day changes.Calculate increase in life span.
Experimental result
External tumor-inhibiting action:
Nucleoside active matter is to the liver cancer H of vitro culture in the table 2. artificial culture Cordyceps militaris (L.) Link.
22The influence of cell
| Group | Viable count (1 * 10 5/ml) | Tumour inhibiting rate (%) |
| The negative control test group | 2.86±0.11 1.02±0.12 | - 64.3 |
The external knurl experimental result that presses down shows that total nucleosides is to liver cancer H in the artificial culture Cordyceps militaris (L.) Link.
22Cell has certain lethal effect, points out it to have direct cytotoxicity.
Tumor-inhibiting action in the body:
Table 3: the Cordyceps militaris (L.) Link. extracting solution is to mouse bearing liver cancer H
22Restraining effect
| Group | Route of administration | Number of animals (n) | Average knurl is heavy | Tumour inhibiting rate |
| Test group NS | ig ig | 10 10 | 1.11±0.49 *** 2.58±0.97 | 57.0％ - |
Compare with control group,
* *P＜0.001;
Press down the knurl experimental result in the body and show, test group compares with control group that there were significant differences (P＜0.001).Illustrate that nucleoside active matter has tumor-inhibiting action in the significant body in the artificial culture Cordyceps militaris (L.) Link. of the present invention.
Influence to increase in life span:
Table 4: the Cordyceps militaris (L.) Link. extracting solution is to H
22The influence of ascites survival time of mice
| Group | Route of administration | Number of animals (n) | Survival time (my god) | Increase in life span (%) |
| Test group NS | ig ig | 10 10 | 31.1±2.4 *** 16.2±1.8 | 91.9 - |
Compare with control group,
* *P＜0.001
The Cordyceps militaris (L.) Link. stroma of artificial culture can prolong liver cancer H
22The survival time of tumor-bearing mice [0], the poor heteropole of test group and control group is (P＜0.001) significantly.
Influence to the tumor-bearing mice life quality:
Can observe beginning in the 3rd day behind the mouse inoculation oncocyte in the experiment, subcutaneous touch tubercle 8-9 days of tumor growth after, all mouse all produce tubercle.The existing state of administration group mouse is obviously good than control group.Control group mice hair color dimness, mixed and disorderly, be slow in action.By contrast, administration group mouse hair color is brighter, and is comparatively active.
Influence to metastases:
Control group mice confirms that through pathology 86 metastasis are arranged, and basic, normal, high dosage group has been found 36,30 and 27 metastasis respectively in the administration group mouse.In the pathologic finding of high dose group mouse, find: have forming of 15 metastasis to wrap quilt on every side, there is not this phenomenon to take place around the cancer kitchen range of other experimental group, this result shows that one of reason that the total nucleosides of artificial culture Cordyceps militaris (L.) Link. stroma has the obvious suppression effect to the transfer of mouse cancer kitchen range might be that nucleoside compound can be regulated the mouse body's immunological function, around the cancer kitchen range, form bag by and reduce the generation of metastases.
Claims (5)
1, the nucleoside active matter in a kind of artificial culture Cordyceps militaris (L.) Link. (Cordyceps militaris (L.) Link]), described nucleoside active matter prepares by the following method, method comprises directly pulverizes artificial culture Cordyceps militaris (L.) Link. dry product, the distillation water temperature lixiviate that adds 5-12 weight multiple is got 1-4 time, filter, merging filtrate, concentrating under reduced pressure filtrate gets medicinal extract; With this medicinal extract with the acid dissolving, filter acid solution, the acid solution dichloromethane extraction; Acid solution after the extraction alkalizes to pH10 with NaOH, uses n-butanol extraction 1-5 time again, merges butanol extraction liquid, gets nucleoside active matter through concentrating under reduced pressure.
2, the preparation method of the nucleoside active matter of the artificial culture Cordyceps militaris (L.) Link. of claim 1, this method comprises pulverizes artificial culture Cordyceps militaris (L.) Link. dry product, and the distillation water temperature lixiviate that adds 5-12 weight multiple is got 1-4 time, filters, merging filtrate, concentrating under reduced pressure filtrate gets medicinal extract; With this medicinal extract with the acid dissolving, filter acid solution, the acid solution dichloromethane extraction; Acid solution after the extraction alkalizes to pH10 with NaOH, uses n-butanol extraction 1-5 time again, merges butanol extraction liquid, gets nucleoside active matter through concentrating under reduced pressure.
3, according to the preparation method of the nucleoside active matter of the artificial culture Cordyceps militaris (L.) Link. of claim 2, this method comprises pulverizes artificial culture Cordyceps militaris (L.) Link. dry product, adds 8 times of weight distilled water, the lixiviate of 60 ℃ of water-bath temperature is got 2 times, each 2 hours, filters, merging filtrate, concentrating under reduced pressure filtrate gets medicinal extract I; Medicinal extract I 2% diluted hydrochloric acid dissolution, filter acid solution, acid solution is with dichloromethane extraction 5 times; Acid solution after the extraction alkalizes to pH10 with rare NaOH, uses n-butanol extraction again 3 times, merges butanol extraction liquid, obtains artificial culture Cordyceps militaris (L.) Link. ucleosides actives through concentrating under reduced pressure.
4, the pharmaceutical composition of the nucleoside active matter in a kind of artificial culture Cordyceps militaris (L.) Link. that contains claim 1.
5, the nucleoside active matter in the artificial culture Cordyceps militaris (L.) Link. of claim 1 is used for suppressing the purposes of the medicine of tumour in preparation.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102048770B (en) * | 2009-11-06 | 2013-02-13 | 华中科技大学 | Artificially-cultured cordceps militaris sporocarp extract and preparation process thereof |
| CN103772460A (en) * | 2014-02-14 | 2014-05-07 | 江苏省中国科学院植物研究所 | Extraction process of cordycepin (active substance) from silkworm pupa cordyceps militaris |
| CN104664324A (en) * | 2013-12-02 | 2015-06-03 | 于荣敏 | Preparation method and use of nucleoside effective part of sporocarp of artificial cultivation cordyceps militaris (L.) Link |
| CN110669088A (en) * | 2018-07-02 | 2020-01-10 | 成都阿奇生物医药科技有限公司 | N- (2-ethylamine) benzenesulfonylamino cordycepin derivative and preparation method and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012162479A (en) * | 2011-02-04 | 2012-08-30 | Nippon Tablet Kk | Composition having anticancer activity, containing ingredient extracted from cordyceps and/or mycelia-cultured solution thereof, and food and drug each containing the composition |
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2005
- 2005-02-16 CN CNB2005100077343A patent/CN100567318C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102048770B (en) * | 2009-11-06 | 2013-02-13 | 华中科技大学 | Artificially-cultured cordceps militaris sporocarp extract and preparation process thereof |
| CN104664324A (en) * | 2013-12-02 | 2015-06-03 | 于荣敏 | Preparation method and use of nucleoside effective part of sporocarp of artificial cultivation cordyceps militaris (L.) Link |
| CN103772460A (en) * | 2014-02-14 | 2014-05-07 | 江苏省中国科学院植物研究所 | Extraction process of cordycepin (active substance) from silkworm pupa cordyceps militaris |
| CN103772460B (en) * | 2014-02-14 | 2016-02-10 | 江苏省中国科学院植物研究所 | The extraction process of cordycepin in silkworm Chinese caterpillar fungus |
| CN110669088A (en) * | 2018-07-02 | 2020-01-10 | 成都阿奇生物医药科技有限公司 | N- (2-ethylamine) benzenesulfonylamino cordycepin derivative and preparation method and application thereof |
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