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Separation and determination of anthraquinone derivatives in rhubarb and its preparations by micellar electrokinetic capillary chromatography

✍ Scribed by Ji Song-gang; Chai Yi-feng; Wu Yu-tian; Yin Xue-ping; Xiang Zhen-bing; Liang Dong-sheng; Xu Zi-ming; Li Xiao

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
38 KB
Volume
12
Category
Article
ISSN
0269-3879

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✦ Synopsis

A micellar electrokinetic capillary chromatographic method was set up for the quality control of rhubarb and its preparations. Anthraquinone derivatives were separated successfully within 10 min in the buffer solution of 50 mmol/L H 3 BO 3 -NaOH (pH 11) containing 25 mmol/L sodium deoxycholate. The established method, with a recovery of extraction of over 90%, has good linear relationship and reproducibility. The contents of anthraquinone derivatives in rhubarb and a tablet of Niu-huang-jie-du differed significantly, showing that the quality control of rhubarb and its preparations is necessary.

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