st people use it in cosmetic fields, and as health food.
5,The appearance is light yelloworbrown yellow powder, dissoluble in water and ethanol, Bitter and acerbity.
6, It's stable between PH4-8, easy to deteriorate when meeting with strong acid, strong alkali, sunlight, heat and transitional metal. The quality is safety and non-toxic.
7,Storage: Keep in a cool and dry area away from light and heat.
8,Package: Double layers plastic bag inner, cardboard barrel outside (25kgs/barrel).
9,Shelf life