... , sorbic acid (potassium sorbate) has been used extensively in food, drink, vegetables in soy, tobacco, drugs, cosmetics, agricultural products, forage ... sorbic acid (potassium sorbate) is also used well in neutral food (ph6.0-6.5). The preservative efficiency of ... direct adding, spraying, retting, dry spraying, using in packing material and other method. food additive Potassium Sorbate Preservatives