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A polyacetylene and flavonoids from Cirsium rhinoceros
Soon-Ho Yim1, Hyun Jung Kim, Ik-Soo Lee
1College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju 500-757, Korea.
Archives of Pharmacal Research
|March 20, 2003
Abstract:
Cirsium rhinoceros Nakai (Compositae) is a herbaceous perennial native to Korea, whole plant of which has been used in folklore medicine. C. rhinoceros was extracted by a standard extraction procedure. Its n-hexane, CHCl3 and n-BuOH extracts were fractionated by column chromatography to provide a polyacetylene, a coumarin and five flavonoids. Ciryneol C, scopoletin, acacetin, cirsimarin were isolated for the first time from this plant.