Preparative Separation and Isolation of Three Flavonoids and Three Phloroglucinol Derivatives from Hypericum japonicum Thumb. using High‐Speed Countercurrent Chromatography by Stepwise Increasing the Flow Rate of the Mobile Phase

Author： Peng Jinyong   Fan Guorong   Wu Yutian  

Publisher： Taylor & Francis Ltd

ISSN： 1082-6076

Source： Journal of Liquid Chromatography & Related Technologies, Vol.29, Iss.11, 2006-07, pp. : 1619-1632

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