Min. Order Reference FOB Price
1 kg US$10.00-110.00 / kg
Product Description
Product Name White Birch Bark Extract Part Used Bark Appearance white powder Active Ingredient Betulin and betulinic acid Specification Betulin 99%; Betulinic acid 98% Birch bark powder betulinic acid is a naturally occurring pentacyclic triterpenoid.Betulinic acid was found active ...