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期 刊 ：中国中药杂志 1995年 20卷 10期 页码：597.

关键词：牛膝；甜菜碱；炮制；紫外可见光谱；

Keywords:Achyranthes bidentata, betaine, processing, UV-visible spectrophotometry,

摘 要 ：通过雷氏盐沉淀,采用紫外可见光谱法分析,测得怀牛膝的生品及酒制、炒制和盐制等不同炮制品中甜菜碱的含量为0.930%～1.029%,平均回收率和变异系数分别为99.2%和6.2%。

Abstract:The contents of betaine in differently processed root of Achyranthes bidentata were determined to be0.930%～1. 029% by reineckate precipitation and UV-visible spectrophotometry. The average recovery and relativestandard deviation were 99.2% and 6.2%, respectively.

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