Extraction, isolation and characterization of chemical constituents of the leaves of Magnolia lamdongensis
Recently, a number of new species of the Magnoliaceae family have been discovered and published such as Magnolia tiepii, M. lamdongensis, M. bidoupensis. Phytochemical study of the leaves of M. lamdongensis, an endemic species of Lam Dong province, Vietnam, resulted in the isolation of four compounds, which were named stigmast-5-en-3β-ol-3-O-β-D-glucopyranoside (1), stigmast-5-en-3β-ol (2), quercetin (3), and palmitic acid (4). Their structural elucidations were confirmed by 1 D and 2 D NMR experiments and a comparison with those reported in the literature. These metabolites isolated for the first time from this species.
Keywords:Magnolia lamdongensis, stigmast-5-en-3β-ol-3-O-β-D-glucopyranoside, stigmast-5-en-3β-ol, quercetin, palmitic acid
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Copyright (c) 2022 Pham Van Huyen, Nguyen Thi Thu Hien, Trinh Thi Luong, Nguyen Huu Huong Duyen, Tran Thi Ngoc Hanh, Nguyen Thi Dieu Thuan, Nguyen Huu Toan Phan
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