Studies on chemical constituents in herb of Polygonum orientale / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of the essential substance from Polygonum oriental.</p><p><b>METHOD</b>Compounds were isolated with silica gel and polyamide chromatography and their structures were determined by spectral analysis and chemical evidence.</p><p><b>RESULT</b>Six compounds were obtained and identified as myricitrin, luteolin, gallic acid, catechin, protocatechuic acid, p-hydroxycinnamic acid.</p><p><b>CONCLUSION</b>Six compounds were isolated from P. oriental for the first time.</p>