关键词 甾体皂苷 结构修饰 生物转化 甾体皂苷(steroid saponins)是植物体中一类重要的次生代谢产物， 大多存在于单子叶植物中，特别是以百合科为中心的百合群植物，如 百合科、薯蓣科、菝葜科、...
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（一）概述定义：甾体皂苷 (steroidal saponins)是一类由螺甾烷类化合物与糖结合的寡糖苷,迄今发现的甾体皂苷类化合物已达一万种。
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Steriodal saponins are the kind of natural products with diversity sugar chains. Many traditional Chinese herbs containing steroidal saponins as main active components have been widely used in folk medicine in many years.
甾体皂苷作为作为一类具有丰富糖链结构的天然产物，多年来一直作为传统中药的药效成分于民间广泛使用。
参考来源 - 氨基葡糖皂苷的糖基化The results of property identification show that the crude water-soluble starfish glycosides we get by the methods of water extraction and macroporous resin column eluted by 70% alcohol are steroidal glycosides.
对水抽提物的大孔吸附树脂70%乙醇洗脱组分的性质鉴定结果显示,所得水溶性海星皂苷粗品为甾体皂苷。
参考来源 - 罗氏海盘车（Asterias rollestoni）水溶性海星皂苷的分离纯化及其部分生物学活性研究However the effect of the ethanol extract was minor. The results suggested that the active components mostly consist in the petroleum ether extract, few in water extract, and it maybe steroid saponin or terpenes in petroleum ether extract.
由此可知具有治疗糖尿病作用的活性成分主要存在于卵鞘的石油醚提取物中,有少部分存在于水提取物中,且活性成分可能是卵鞘石油醚提取物中的甾体皂苷或萜类物质。
参考来源 - 小刀螂生物学及其卵鞘对糖尿病小鼠的作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了甾体皂苷的提取和分离技术现状，对其分析测定也作了简单概述。
The current state of extracting and separating steroidal saponin was introduced, and analysis and measure of steroidal saponin were also discussed.
植物化学研究表明，麦冬中含有甾体皂苷、高异黄酮、多糖等多种化学成分。
Phytochemical researches have shown that this plant mainly includes steroidal saponins, homoisoflavonoids, polysaccharides and so on.
同时，结合本课题组的研究结果，对从甾体皂苷中寻找新型抗菌药物提出展望。
Combining with our findings, it was put forward of searching for new antifungal drugs from steroidal saponins.
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