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Title: | Flavonoids isolated from the flowers of camellia chrysantha |
Authors: | Nguyen, Thi Hong Van Pham, Cao Bach Cam, Thi Inh Doan, Lan Phuong Le, Tat Thanh Tran, Quoc Toan Pham, Quoc Long |
Keywords: | Camellia chrysantha (Hu) Tuyama Theaceae Catechin Epicatechin Quercetin Quercetin-3-O-methyl ether Kaempferol |
Issue Date: | 2019 |
Series/Report no.: | Vietnam Journal of Science and Technology;Vol. 57, No. 03 .- P.287-293 |
Abstract: | Camellia chrysantha (Hu) Tuyama (the golden camellia, golden tea) is a species of evergreen shrub or small tree belonging to the family Theaceae. The flowers and the leaves of this plant are used as tea due to their health benefits. The aim of this study was to investigate the chemical constituents of the flowers of Camellia chrysantha (Hu) Tuyama. Five flavonoids were isolated from the flowers of Camellia chrysantha (Theaceae), including (+)-catechin (1), (-)-epicatechin (2), quercetin (3), quercetin-3-O-methyl ether (4) and kaempferol (5). Their chemical structures were elucidated by spectroscopic data analysis and by comparison with those reported in the literature. Among five compounds, compound 4 was isolated for the first time from this species. |
URI: | https://dspace.ctu.edu.vn/jspui/handle/123456789/63941 |
ISSN: | 2525-2518 |
Appears in Collections: | Vietnam journal of science and technology |
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