(+)-α-Viniferin, an Anti-inflammatory Compound from Caragana chamlagu Root

Abstract

The roots of Caraganas chamlagu LAMARCK (Leguminosae) are used as an anti-neuralgic, anti-rheumatic, anti-arthritic, etc. in the folk medicine of Korea. An ether extract was fractionated with monitoring of the anti-inflammatory activity, and teh active principle was elucidated as (+)-α-viniferin on the basis of spectroscopic data, including two-dimensional nuclear magnetic resonance and circular dichroism spectra.