A preservative is a substance or a chemical that is added to product such as food producta, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or by undesirable chemical changes. One of the most efficient way to preserve food is using chemical additive. Chemical preservation food additives are having the ability to reduce the risk of foodborne infections, decrease microbial spoilage, and preserve fresh attributes and nutritional quality. These food additives are working as antimicrobial agents. The mechanism of these agents is inhibiting growth of the bacteria to inhibition of specific enzyme.