[Phenolics from traditional Chinese medicine Sargentodoxa cuneata].

OBJECTIVE

To study the chemical constituents of Sargentodoxa cuneata.

METHODS

To isolate compounds with chromatography technology and to elucidate their structures by spectral analysis.

RESULTS

Ten phenolics were isolated from Sargentodxa cuneata and their structures were determined as 1-O-(vanillic acid )-6-O-( 3", 5"-dimethoxy-galloyl)-beta-D-glycoside (I), (-)-epicatechin (II), phydroxyphenylethanol ferulate (III), chlorogenic acid (IV), methyl chlorogenate (V), apocynin (VI), vanillic acid (VII), protocatechuic acid (VIII), 3,4-dihydroxy-phenylethanol (IX), tyrosol (X).

CONCLUSIONS

Compound I is new compound, compound III-VI and VIII-X were isolated from Sargentodoxa cuneata for the first time.