A new diarylheptanoid from barks of mangifera indica / 中草药·英文版

Objective: To study the chemical constituents from the barks of Mangifera indica. Methods: The constituents were separated and purified by different methods of chromatography, and their structures were elucidated by IR, MS, 1D and 2D NMR techniques. Results: Six compounds were isolated from the barks of M. indica. Their structures were identified as mangiferone (1), mangiferin (2), myricetin (3), myricitrin (4), rutin (5), and quercetin (6). Conclusion: Mangiferone (1) is a new diarylheptanoid compound isolated from the barks of M. indica. © 2013 Tianjin Press of Chinese Herbal Medicines.