we are matrine manufacture in china Detection Method:HPLC Source of plant:Sophora Flavescens Ait Use Part: Root Content: 98 matrineName: matrineAppearance:wihite powderDetection Method:HPLC Source of plant:Sophora Flavescens AitUse Part: RootContent: 98.0% min. on dry basis, according to C15H24N2O.Storage: Store in cool & dry place. Keep away from strong light and heat.Shelf Life: Two years when ...