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Four flavonoids, isoastilbin, astilbin, isoengelitin, and engelitin were isolated and purified simultaneously from Smilacis Glabrae Roxb. for the first time by high performance counter‐current chromatography using a system consisting of n‐hexane–n‐butanol–water (1:2:3, v/v/v). A total of 392.6 mg of astilbin, 71.4 mg of isoastilbin, 47.4 mg of engelitin, and 10.3 mg of isoengelitin were purified from...
Four chromones, prim‐O‐glucosylcimifugin, 4′‐O‐β‐D‐glucosyl‐5‐O‐methylvisamminol, cimifugin and sec‐O‐glucosylhamaudol, were isolated and purified from Saposhnikovia divaricata for the first time by high‐performance counter‐current chromatography (HPCCC) using a system consisting of ethyl acetate/n‐butanol/ethanol/water (1:1:0.1:2, v/v/v/v). The separation parameters were first performed on the analytical...
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