2004•Xibei Linxueyuan xuebaoRequires access

Technology Extractiong of Flavonoids from Portulaca oleracea

Jingfang Zhang

Abstract

Extraction of flavonoids in Portulaca oleraca was studied. The best condition of extraction was selected by using orthogonal experiment. The results showed that extraction rate of flavonoids with ethanol was higher than with acetone or methonal, and the optimum condition of extraction was the ration of 1 (P. oleracea) : 6 ( 70% ethanol ) and backwatering at 80℃ for three times ( for 2 h once time).

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Key concepts: Portulaca, Extraction (chemistry), Acetone, Chemistry, Ethanol, Botany, Food science, Traditional medicine