... )≥50%,80%,90%Particle size: 100 meshPlant origin: Polygonum cusPldatumStorage:Store in a cool and dry area, keep sealed and keep away ... with aluminium foil paper outsidePharmacology function : Emodin is mainly used in antifeedant, antiinflammatory, antimutagenic, antiseptic,antitumor (breast), antiulcer, antiviral, cathartic, gonadotropic ...