Isolation and structure elucidation of glycosides in n-butanol extracts from rhizome of Periploca calophylla / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents from n-butanol extracts of Periploca calophylla.</p><p><b>METHOD</b>The constituents were isolated and purified by chromatographic technology and their structures were elucidated on the basis of physicochemical property and spectroscopic methods.</p><p><b>RESULT</b>Eight glycosides were isolated and identified as periplocin (I), kaempferol 3-alpha-D-arabinoside (II), kaempferol 3-O-beta-D-glucoside (III), 3',4',5,7-tetrahydroxyflavanone-2(S)-3'-O-beta-D-glucopyranoside (IV), (+)-syringaresinol-4'-O-beta-D-monoglucoside (V), 1-sinapoylglucoside (VI), erigeside C (VII), 2,6-dimethoxy-4-hydroxyphenol 1-O-beta-D-glucoside (VIII).</p><p><b>CONCLUSION</b>All the compounds were isolated for the first time from this plant.</p>