Higher antibacterial properties inhibit bacteria, fungi, yeast, mold well. Are widely used in food, beverages, cosmetics and pharmaceutical 
 Security, high performance anti-corrosion characteristics, side effects are less than benzoic acid. It will be used to replace toxic additives, sodium benzoate. 
 Preservatives, sorbic acid (sorbic acid, sodium, potassium sorbate), large-scale use by the domestic and foreign, although no harm and poisoning, but some preservative in animal experiments show carcinogenic, such as for the formation of canned food preservative sorbic acid may be associated with fibrosarcoma