Shengguo Deng

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Semi-preparative high-speed counter-current chromatography (HSCCC) was successfully used for isolation and purification of flavonoid glycosides from the leaves of Nelumbo nucifera (Lotus) by using a two-phase-solvent system composed of n-hexane-ethyl acetate-methanol-water (1:5:1:5, v/v/v/v). The targeted compounds isolated, collected and purified by HSCCC(More)
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