Chemical Studies on Cirsium Species (V) -Chemical Constituents of the Roots of Cirsium xanthocanthum-

Cirsium속(屬) 식물(植物)의 성분(成分) 연구(硏究)(V) -가시엉겅퀴 지하부(地下部)의 성분(成分)-

Cirsium xanthocanthum (Compositae) is a perennial herb. From the roots of this plant which were used for arthritis, neuralgia and carbuncular abscess as folkloric remedies, linarin, mp $255{\sim}257^{\circ}$, was isolated and identified by chemical reactions and spectral data with authentic samples.