Specification: 5%,10%,15%,20%,25% Active Compound:anthocyanin Test methods :UV Solvent: Ethanol Color:purple red powder. Packing Type: Double-decker vacuum plastic, 2.5kgs/bags,25kgs/carton, 25kgs/drum Effection:(info@sports-ingredient.com)Flavonones and Anthocyanin are the main parts of the black sesame seed color.We can see black glossy powder with our naked eyes.It is easily water-soluble. It is absolute a natural pigment abstracted from Sesamum indicum by modern biotechnology.Widely used in foodstuff industry as natural coloring. Our packing type is Double-decker vacuum plastic, 2.5kgs/bags,25kgs/carton.