Food additives have greatly contributed to the development of the food industry and have been hailed as the soul of the modern food industry, mainly because it has brought many benefits to the food industry. Its main functions are as follows:
Preservatives prevent spoilage of foods caused by microorganisms, prolong the shelf life of foods, and prevent food poisoning caused by microbial contamination. In another example, antioxidants can prevent or delay the oxidative deterioration of foods to provide food stability and storage stability, while also preventing the formation of potentially harmful lipid auto-oxidants. In addition, it can also be used to prevent enzymatic browning and non-enzymatic browning of food, especially fruits and vegetables. These are the preservation of food is of some significance.
Improve food sensory quality
Food color, smell, taste, shape and texture are important indicators of food quality. Appropriate use of colorants, color care agents, bleach, flavors and emulsifiers, thickeners and other food additives, can significantly improve the sensory quality of food to meet people's different needs.
Maintain and improve nutritional value
Appropriate addition of some natural food nutrition fortifier in the food processing can greatly improve the nutritional value of food, which is important to prevent malnutrition and nutritional deficiencies, promote nutritional balance and improve people's health level.
Convenient supply, increase variety and convenience
As many as 20,000 kinds of food are available on the market for consumers to choose from. Although the production of these foods is mostly handled through certain packaging and different processing methods, most products of different colors, fragrances and tastes are different in production engineering To the extent of adding coloring, aroma, seasoning and even other food additives. It is these large quantities of food, especially the convenience food, which bring great convenience to people's life and work.
Convenient food processing
The use of defoamers, filter aids, stabilizers and coagulants in food processing can be beneficial for food processing operations. For example, the use of glucono delta lactone as a tofu coagulant may facilitate mechanization and automation of tofu production.
Other special needs
Food should meet people's different needs as much as possible. For example, diabetics can not eat sugar, you can use non-nutritive sweeteners or low-calorie sweeteners such as sucralose or aspartame to make a sugar-free food supply.