We are one of chinese main professional manufacturers of plant extracts. We would like to introduce our products to your esteemed company. Product name: Common cnidium P. E. Active Ingredient: Osthole Part used: Seed Apperarance: Brown fine powder Product Content: Osthole10% 30% 50% 90% Test Method: HPLC Product Origin: Cnidium monnieri (L. ) Cuss. Action and Uses: Osthole is a libido stimulator: Researchers investigate the cavernosal relaxant effect of osthole, has been long used in China as a herbal medicine to improve male sexual dysfunction. The data suggested that osthole posseses a relaxant effect on rabbit corpus cavernosal tissues which is attributable to the release of NO from sinusoidal endothelium and to the potentiation of the cGMP and/or cAMP signal mediating relaxation of cavernosal smooth muscle by inhibiting phosphodiesterase.