Antimicrobials will undoubtedly continue to be needed to provide the food supply that will be demanded in the future. The global economy in which we live will result will be demanded in the future. The global economy in which we live will result in foods being transported throughout the world. If foods are arriving in the condition expected, preservatives will be needed. Many chemical compound, either present naturally or formed during processing or legally added as ingredients, are capable of killing microorganisms or controlling their growth in foods. They are designated as antimicrobial inhibitors. A preservative is defined as any substance, which is capable of inhibiting, retarding, or arresting the growth of microorganism, of any deterioration of food due to microorganism or of masking the evidence of any such deterioration. Antimicrobial compound add to products during manufacturing process to reduce bacterial or fungal growth. According to PFA Act, (1951) ...