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Flavonoid isolated from the stems of Melastoma candidum D. Don collected in Vietnam.

Trần Thanh Hà, Nguyễn Thị Hà, Mai Văn Cương

Abstract


A phytochemical fractionation of the ethyl acetate extract of the stems of Melastoma candidum D. Don led to the isolation of two flavonoids. By means of the spectrocopic methods including MS, NMR, the isolated compounds were determined to be quercetin, quercitrin.

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