Product Name:  Sophora Flavescens Extract Matrine 98% Test Method:HPLC Specs Available:0.5%,1%,4%,20% 35% 98% by HPLC Appearance:White powder 98%                        Brown yellow powder &  Brown Liquid  2% 4%20% 35% Active ingredients:Matrine,oxymatrine Matrine and oxymatrine are the two major alkaloid components found in sophora roots. They are obtained primarily from Sophora japonica (kushen), but also from Sophora subprostrata (shandougen), and …