Extraction and Purification of Houttuyniae cordata Flavonoids and Identification of Flavonoids Type

Abstract

Abstract: In this research,extraction of flavonoids-natural antioxidant in Houttuyniae cordata by alcohol was studied.Meanwhile,contents of flavonoids were assayed.Results showed that the 60% density alcohol as extraction solution,the optimum conditions are:Houttuyniae cordata powder quantity with alcohol solution volume 1:50,temperature 70 ℃ and the time 70 min.The Houttuyniae cordata flavonoids were purified by polyamide,and the yield of flavonoids reached 0.586%.Houttuyniae cordata flavonoids was identified as flavonol by physical and chemical properties analysis,TLC and UV-VIS.

Key words: Houttuyniae cordata, flavonoids, flavonol, UV-VIS

GUO Yan-Hua, XU Jiang-Yang. Extraction and Purification of Houttuyniae cordata Flavonoids and Identification of Flavonoids Type[J]. FOOD SCIENCE, 2007, 28(9): 287-291.

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Extraction and Purification of Houttuyniae cordata Flavonoids and Identification of Flavonoids Type

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