Sorbic Acid, is a natural organic compound used as a food preservative. It is a colourless solid that is slightly soluble in water and sublimes readily. Sorbic Acid can be widely used as food ingredient or food additive in our daily life. It is the most widely used preservatives in the world.       They have high antibacterial properties, inhibit the growth and reproduction of molds, inhibit the growth of microorganisms and prevent corrosion by inhibiting the dehydrogenase system in microorganisms. It has an inhibitory effect on mold, yeast and many good bacteria, but it is almost ineffective against anaerobic spore forming bacteria and Lactobacillus acidophilus. It is widely used in the preservation of foods such as cheese, yoghurt and other cheese products, bread snack products, beverages, juices, jams, pickles and fish products.