... HPLC ISO Certificated,GMP manufacture Various Epimedium Extract(Icariin10,20,30%)product nameEpimedium Extract specification 10,20,30% appearance brown powdery Constitutional Formula ... root stock Mainly specification and test method Icariin 30% ,20%,10% HPLC Indicatons and Uses It is invigorative, tonic ... & dry place, avoid strong light and heat. Various Epimedium Extract(Icariin10,20,30%)