Studies on chemical constituents in roots of Polygala tenuifolia / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents from the roots of Polygala tenuifolia.</p><p><b>METHOD</b>Column chromatographic techniques were employed for isolation and purification of chemical constituents of the plant and the structures were elucidated by spectroscopic analysis.</p><p><b>RESULT</b>Five chemical constituents were isolated and elucidated as 4-C-beta-glucopyranosyl-1,3,6-trihydroxy-7-methoxyxanthone (1), 4-C-[beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranosyl]-1,3,6- trihydroxy-7-methoxyxanthone (2), presenegenin (3), presenegenin-3-O-beta-D-glycopyranoside (4) and daucosterol (5), respectively.</p><p><b>CONCLUSION</b>Compounds 1,3,4 and 5 were isolated from this plant for the first time. Compound 1 is a new natural product.</p>