... kg7 Mercury ≤0.3mg/kg8 Ash ≤2.0%Applications:Food chitosan made by our company is made from unpolluted ... , it's the optimal choice for medicine, health care products and food. Chitosan is awarded as the 6th life essence ... the physiological activities. Widely used in the following fields: medication, health food, food, feed, cosmetic, color film, bioengineering, agriculture, sewage treatment. textile ...