Birch bark extract
betulin
Product Description:
Resources: Birch bark
Appearance: White fine powder
Main Components: Betulin, Betulinic acid
Specification: Betulin 70%, 90%, 98%, 99%
Betulinic acid 50%, 90%, 98%
Packing: 1~5kgs/drum, 25kgs/drum
Lead Time: Within 10 Days
Shelf Life: 36 Month