查询词典 hydrastine
- 与 hydrastine 相关的网络例句 [注：此内容来源于网络，仅供参考]
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DONG Xin rong; ZENG Jian guo （Hunan OSST Chinese Traditional Medicine Modernization Institute; Changsha 410014; China）Abstract: The experimental studies on the extracting method of Goldenseal and isolating method of Hydrastine and Berberine have been given.
摘 要：简述了北美黄连的概况，对北美黄连的提取工艺进行了实验研究，最后对北美黄连中所含主要生物碱———北美黄连碱和小檗碱进行了几种分离方法和实验研究。
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Hydrastine(97.7%) was obtained with extracted rate 65%by extracting the Goldenseal with mixed Solvent;Berberine hydrochloride (99.9%) was obtained by adding hydrochloride acid to alcohol (alcohol∶H 2O=1∶1) solution of the extract and Hydrastine (99.5%) was gained by CLC method with the yield 1%.
原药材用混合溶剂直接提取分离，可得到含北美黄连碱 97.7%的结晶体，提取率达 6 5%；提取物经醇水溶解、酸化，可直接获得小檗碱盐酸盐结晶，纯度达到 99.9%；用柱色谱法，可得到 99.5%的北美黄连碱，收率约 1
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