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甜叶菊中Stevioside的测定
韦永成;   
广西亚热带作物研究所
摘要:
在硅胶G薄层板上用氯仿:甲醇:水(38:12:2)分离出Stevioside。用蒽酮—硫酸试剂显色,然后用上海72型—分光光度计在620nm波长比色,测出甜叶菊中Stevioside的含量。本法回收率为96.50±0.539%。
关键词:  蒽酮  薄层板  具塞刻度试管  双蒸水  薄层扫描测定  Stevioside  叶中  层离  气相色谱  标准曲线  
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