大黄配伍肉桂前后蒽醌类成分煎出量的变化研究

目的考察大黄与肉桂配伍前后大黄中蒽醌类成分的变化。方法采用紫外分光光度法对大黄单煎剂及大黄与肉桂以不同比例配伍的煎剂中总蒽醌、游离蒽醌分别进行含量测定。结果大黄与肉桂以不同比例配伍后总蒽醌、游离恿醌含量均有不同程度的降低。结论该结果与中医关于两者配伍关系的论述相符。

Study on the change of anthraquinone Extraction from Rhubarb after Compatibility with cinnamomum cassia presl

OBJECTIVE To study the change of Anthraquinone in Rhubarb after Compatibility with Cinnamo- mum cassia PresI,METHODS The amounts of total anthraquinone and free anthraquinone extracted from Rhubarb and decoctions consisted of Rhubarb and Cinnamomum cassia Presl were determined by ultraviolet spectrophotometry. RESULTS The active ingredients of Rhubarb, including total anthraquinone and free anthraquinone, were extracted in a low level when Rhubarb was decocted with Cinnamomum cassia Presl with different proportions. CONCLUSION The result consistent with the Chinese medical discussion on compatibility relations of Rhubarb and Cinnamomum cassia Presl.