Các hợp chất flavonoid phân lập từ cành cây máu chó đá (Knema saxatilis de Wilde)

Abstract

om the methanol extracts of the stems of Knema caxatilis (de Wilde) native to the central provinces of Vietnam, four known fiavonoids were isolated and identified as: Genistein (1), eriodictyol (2), sulfuretin (3) and (+)-taxifolin (4). Their chemical structures were determined by NMR and MS in reference to the literature.