The results showed that over 95% of cordycepin was in the sporophore after supercritical extraction and the supernate of alcohol sedimentation, which ensured the intermediate products containing cordycepin from massive loss before preparation.
结果证明，95％以上的虫草素仍分布在超临界萃取后的子实体及其醇沉的上清液中，保证了含虫草素的中间产物未在制备前大量流失。
The sporophore of Cordyceps militaris and the cordycepin content of intermediate products were monitored in the whole course according to the relation between fixed and mobile phases of solvents in a combination system of binary and quaternary solvents, in which the applied methods were successively supercritical fluid extraction, alcohol sedimentation, low-pressure normal-phase silica-gel chromatography, reversed-phase high-performance liquid chromatography and fractional crystallization.
根据溶剂的固定相与流动相之间的相对关系，采用了二元和四元组合的溶剂系统，顺次采用超临界流体萃取法、醇沉法、低压正相硅胶色谱法、反相高效制备液相色谱法、分步结晶法和反相高效液相色谱法，子实体及其中间产物中的虫草素含量变化情况。
This article presents an efficient method of extracting and purifying cordycepin from rice medium, the waste of fruiting body production.
本文提供了一种从蛹虫草子实体生产的副产物——大米培养基中高效提取纯化虫草素的新方法。
As the first nucleoside antibiotic separated from epiphyte, Cordycepin, whose chemical name is 3'-deoxyadenosine, has many pharmacological activities and very high price in international market.
虫草素，化学名3`-脱氧腺苷(3`-deoxyadenosine)，又称蛹虫草菌素和冬虫夏草菌素。它是第一个从真菌中分离出来的核苷类抗菌素，它具有多种药理活性作用。在国际市场上，虫草素的价格非常昂贵。本文主要研究虫草素合成的工艺路线。
The results show that with the increase of the time and dosage of cordycepin, the growth of HA22T/VGH cell line is suppressed and the inhibition rate can reach as high as 83%.
研究结果显示：随著时间及剂量之增加，虫草素对HA22T/VGH细胞株的生长抑制亦随之增加，最高可达83%。
The tests of acute toxicity and pharmacology show that cordycepin polysaccharide is non-toxic and has good prospect as anticarcinogen.
急性毒性试验及药理试验表明，虫草多糖无毒，是很有前景的抗癌药物。
This fungi produces an important bioactive compound, cordycepin (3'- Deoxyadenosine). How to enhance the cordycepin production is a bottleneck for commercial application of fungi fermentation technology.
现代医学研究表明虫草菌素（cordycepin）是其重要的生物活性成分，用现代生物技术手段大规模深层培养蛹虫草生产虫草菌素具有重要的应用价值。
The standard curve of cordycepin have been determined and drawn under the range of 0~40 μ g/ml. It can be used as analyzing criterion for checking the affection of fungal elicitors.
测定和制作了检测真菌激发子诱导效果的虫草菌素标准曲线，其线性范围为0～40μg／ml。
Effects of cordycepin on mice with learning and memory acquisition impairment induced by scopolamine Determination of Scopoletin in the Roots and Stalks of Herba Argyreia Seguinii
虫草素对东莨菪碱所致小鼠记忆障碍的影响白花银背藤根和茎中东莨菪内酯的含量测定
Isolation and Purification of Cordycepin from the Solid Medium of Cordyceps militaris
人工蛹虫草固体培养基虫草素的分离纯化研究
The soxhlet extraction showed that water was better than ethanol for the extraction of the cordycepin.
索氏提取结果表明水比乙醇更优于提取虫草素；
Study on Optimization of Cordycepin Extraction from Cordyceps Residue Medium
蛹虫草大米培养残基中虫草素提取方法的优化研究
An efficient method of extracting and purifying cordycepin from waste rice medium of Cordyceps militaris
从废弃蛹虫草大米培养基中高效提取纯化虫草素工艺条件研究
Study of Cordycepin on Regulation of Mouse Spleen Lymphocytes
虫草素对小鼠脾淋巴细胞调节作用的研究
High-yielding cordycepin in Cordyceps militaris modified by low-energy ion beam
低能离子束修饰蛹虫草菌株高产虫草素添加前体促进蛹虫草发酵生产菌丝体和虫草菌素的研究
Furthermore, both kinds of hormones also could change the metabolic rhythm of cordycepin and adenosine based on their productivity during the fermentation.
虫草素和腺苷产量分析结果也表明激素可改变两种活性物质的代谢节奏。
Analysis of Cordycepin and Adenosine Contents in Fermentation Supernatant of Cordyceps militaris by HPLC
北冬虫夏草发酵液中虫草素和腺苷含量的HPLC分析
Concluded from the results of cordycepin content and bottle cultivation, 16 strains were selected to test genetic stability.
综合虫草素含量和人工培养结果，选出16株进行遗传稳定性的测定。
The rate of cordycepin in cordycepin crystalline is 88.9%.
对其进行含量测定，得虫草素结晶中虫草素的含量为88.9%。
Comparing cordycepin purification with standard used infrared method, could decided it was cordycepin.
对虫草素精品和虫草素标准品红外光谱对比，确定为虫草素。