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A new flavan glucoside from Glochidion eriocarpum.

Vũ Thị Kim Thư, Phan Văn Kiệm, Châu Văn Minh, Phạm Hải Yến, Nguyễn Xuân Cường, Hoàng Thanh Hương


From the aerial parts of Glochidion eriocarpum, a new flavan glucoside, 5,7,3',4'-tetra-O-methyl-ent-epicatechin 3-O-b-D-glucopyranoside (1), a known flavan, 5,7,3,4-tetra-O-methylepicatechin (2), and three known triterpenes, lupeol (3), 3-epi-lupeol (4), and glochidonol (5), were isolated by using combined chromatographic separations. Their structures were elucidated on the basis of spectroscopic data.

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