Study on flavanols from Glochidion hirsutum / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the flavanols from Glochidion hirsutum.</p><p><b>METHOD</b>The column chromatographic methods were employed for the isolation and purification of the chemical constituents. The structures were elucidated by spectroscopic methods.</p><p><b>RESULT</b>Five flavanols were isolated and identified as 3-O-(3-methylgalloyl) catechin (1), 3-O-( 3-methylgalloyl) gallocatechin (2), 3-O-galloylgallocatechin (3), gallocatechin (4), catechin (5).</p><p><b>CONCLUSION</b>Compound 1 is a new compound. The other four compounds were isolated from this plant for the first time.</p>