1.Indigo naturalis,indigo dye 2.Indigo 2%, 3%,4%, indirubin 0.3%, ... and pancreatic cancer;5. natural blue colorantApplicationPharmaceuticals, cosmetics, dye industiresRecommend Dosage-StoragePlease keep it away from direct light, ... USP27 / BP98 /EP standard, widely applied in pharmaceutical industry, food & beverages industry, cosmetics, nutraceuticals, and agricultural chemicals industries. With ...