(J*****) Tel: 0086-452-6166167 Fax: 0086-452-6166200 our email box is J***** Email: Jesslie@ ***** Web: ***** Extract source: black hull Specification: 5%,10%,15%,20%,25% Active Compound: anthocyanin Test methods :UV Solvent: Ethanol Color: purple pruple red powder. Packing Type: Double-decker vacuum plastic, 2.5kgs/bags,25kgs/carton, 25kgs/drum Effection: Black beans are rich in vitamin E, VE is also an antioxidant, can scavenge free radicals and reduce skin wrinkles, keep youth fit.