Apperarance Brown fine powder Product Content Osthole≥50% Test Mothed 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. Analysis Product content Osthole≥50% Sieve analysis 100% pass 80 mesh Loss on Drying ≤5.0% Residue on Ingition ≤5.0% Heavy Metal <20ppm As <2ppm Residual Solvents Eur.Pharm.2000 Microbiology Total Plate Count <1000cfu/g Yeast & Mold <100cfu/g E.Coli Negative Salmonella Negative 　 Conclusion Conform with specification Storage Store in sealed containers at cool & dry place. Protect from light,moisture and pest infestation Shelf life 2 year when properly stored