红景天多糖的提取纯化及其分散片制备工艺

Journal of Jiangsu University(Medicine Edition)(2007)

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Abstract
目的:筛选红景天分散片处方及制备工艺.方法:采用均匀设计优选红景天多糖提取工艺;通过对ZTC1+1吸附法,壳聚糖吸附法,醇沉法的比较,选出最佳精制工艺;应用正交试验设计筛选分散片处方.结果:红景天多糖最佳提取工艺为:提取温度为95℃,用12倍的水,提取3次,每次2.5 h.采用ZTC1+1吸附澄清法精制.以8%低取代羟丙基纤维素(L-HPC)、8%羧甲基淀粉钠(CMS-Na)、5%聚乙烯吡咯烷酮(PVPK-30)、6%微晶纤维素(MCC)为崩解剂,内外比例为25∶75,20%乙醇溶液为润湿剂,采用湿法制粒压片.结论:制得的红景天分散片崩解时限符合<中国药典>(2005年版)规定.
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Key words
Uniform design,polysaccharide,orthogonal design,Rhodiola sachalinensis,extraction,dispersible tablet
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