Studies on chemical constituents from Tetrastigma hypoglaucum

Object To investigate the chemical constituents in the aerial part of Tetrastigma hypoglaucum Planch native to China in order to obtain a more comprehensive understanding of its effective components Methods Compounds were isolated by various column chromatographies with silica gel Their structures were elucidated by spectral analysis (IR, MS, 1HNMR, 13 CNMR) and chemical evidence Results Ten compounds were isolated from the ethanol extracts of T hypoglaucum, which were identified as β sitosterol (Ⅰ), palmitic acid (Ⅱ), pentacosane (Ⅲ), daucosterol (Ⅳ), resveratrol (Ⅴ), gallic acid (Ⅵ), ethyl gallate (Ⅶ), catechin (Ⅷ), 7 O galloylcatechin (Ⅸ), and 3, 3′ dimethoxy ellagic acid 4 O β D glucopyranoside (Ⅹ) Conclusion All compounds were obtained from this plant for the first time