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Coixlachryside A: A new lignan glycoside from the roots of Coix lachryma-jobi L. var. ma-yuen Stapf.
- Hong, Seong Su, Choi, Chun Whan, Choi, Yun-Hyeok, Oh, Joa Sub
- Phytochemistry letters 2016 v.17 pp. 152-157
- Coix lacryma-jobi, chemical structure, chromatography, circular dichroism spectroscopy, glycosides, lignans, nuclear magnetic resonance spectroscopy, roots, spectral analysis
- A new lignan glycoside, 1-[3,6-(4,4⿲-dihydroxy-3,3⿲-dimethoxy-δ-truxinyl)-β-fructofuranosyl]-α-glucopyranoside (1), named coixlachryside A, together with nine known simple phenolic compounds (311) were isolated from the roots of Coix lachryma-jobi var. ma-yuen using various chromatographic methods. Their chemical structures were determined based on the spectroscopic data interpretation, particularly circular dichroism (CD), 1D and 2D NMR data including HSQC and HMBC.