Abstract
Flavonoid and icariin contents of five barrenwort species native to Sichuan, China, of the genus Epimedium were determined by HPLC and UV. The icariin and flavonoid contents of the root, stem and leaf were differented significantly among five barrenwort species. The contents showed the same trend in different tissues of the five barrenwort species and differed from each other, that's leaf > root> stem. Although, only the leaf of five barrenwort species meet the standards, the root and stem still can be utilized for herbalist and manufacturing medicines. The icariin content extracted from long-term storage barrenwort was little available, but not flavonoid contents.
Key words: Barrenwort, icariin, flavonoid, Sichuan.
