Min. Order Reference FOB Price
1 kg US$10.00-20.00 / kg
Product Description
E.K Herb Chinese Factory Wholesale 100% Pure Natural Plant Extract 98% Betulinic Acid Birch Bark Extract Betulin, also known as betulinol, betulinol, betulinol, betulinol.Soluble in ethanol, ether, chlor oform and benzene, slightly soluble in cold water, petrole um ether and other organic ...