Before selling the food enzyme product, the food enzyme Product has to get certificated to control quality of food and drug products by preparing a proposal and sending it to the FDA for approval. There are 4 topics that the product needs to be evaluated before selling to the market by FDA.• Product specification: Be careful with toxic microorganisms, toxic metal ions, and antibiotic activity• Microbiology molecular biology : its impact on human hygiene• Toxicology: toxicity study in rats• Allergenicity : can be determined database of allergen online of allergens