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1)  C21 steroidal glycoside of Cynanchum auriculatum
白首乌C21甾苷
2)  C21 steroidal ester saponin of cynanchum auriculatum
白首乌C21甾体酯苷
1.
Aim To study the protective effect of C21 steroidal ester saponin of cynanchum auriculatum royle ex wight on acute CCl4-induced liver injury in mice.
目的研究白首乌C21甾体酯苷对四氯化碳(CCl4)所致小鼠急性肝损伤的保护作用。
3)  C_(21) steroidal glycoside of cynanchum auriculatum
白首乌C_(21)甾苷
4)  C21 steroidal aglycone
C21甾苷元
1.
Using C21 steroidal aglycones(Caudatin steroidal aglycones and Kaider steroidal aglycones) extracted from Sanxia Cynanchum auriculatum as substrate,C11α-hydroxylated Cynanchum auriculatum C21 steroidal aglycones were prepared by Rhizopus nigricans and Aspergillus ochraceus.
以自三峡白首乌提取分离得到的C21甾苷元告达庭甾苷元和开德甾苷元作为底物,采用黑根霉(Rhizopus nigricans)和赭曲霉(Aspergillus ochraceus。
5)  C21 steroid glycosides
C21甾体苷
6)  C21 steroidal glycosides
C21甾苷
1.
Results:The Temperature,the particle size of material and the 95% ethanol dosage were the main factors affecting the extraction of C21 steroidal glycosides,while the extraction duration presented the smallest effect.
目的:对白首乌中C21甾苷超临界CO2流体萃取工艺参数进行优化。
2.
Objective To study content of C21 steroidal glycosides in supercritical carbon dioxide with different solvents.
目的探讨含不同夹带剂的超临界CO2对C21甾苷提取的影响。
补充资料:白前苷B
分子式:
CAS号:

性质:又称田基黄苷,懈皮素-7-鼠李糖苷。黄色结晶(无水乙醇),熔点258~262℃。易溶于吡啶、二甲基亚砜、二甲基甲酰胺,难溶于甲醇、乙醇和水。存在于藤黄科植物田基黄(地耳草)(Hypericum japonicum Thunb.)的全草,萝蘑科植物药用白前(Vincetoxicum officinaleMoench)的叶,十字花科植物桂竹香(Cheiranthus cheiri L.)的花。为田基黄治疗肝炎的有效成分之一,对急、慢性肝炎及重症肝炎有较好疗效。 

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