Studies on phenolic compounds from Polygonum aviculane / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents from the aerial parts of Polygomun aviculane.</p><p><b>METHOD</b>The chemical constituents were isolated by silica gel column chromatography and preparative silica thin layer chromatography, and their structures were elucidated on the basis of physico-chemical evidences and spectroscopic analysis (IR, MS, 1H and 13C-NMR).</p><p><b>RESULT</b>Seven phenolic compounds were identified as rosmarinic acid (1), gallic acid (2), gentisic acid 5-O-(6'-O-galloyl)-beta-D-glucopyranoside (3), caffeic acid (4), p-coumaric acid (5), ethyl caffeate (6) and acteoside (7), respectively.</p><p><b>CONCLUSION</b>Compounds 1, 3, 6 and 7 were isolated from this plant for the first time. These results provided theoretical evidences for the further bioactive investigation on this plant.</p>