Basic Knowledge of Food additives

May 23, 2019 / By Rebecca

Food additives for improving the quality of food color, aroma, taste and so on, and put into food for the needs of the preservation and processing of synthetic or natural substance. Now there are 23 categories food additives in China, more than 2000 varieties, including acidity regulator, anticaking agent, defoaming agent, antioxidant, bleach, raising agent, colorant, stabilizer.color-protecting, enzymes, flavoring agent, nutrition enhancer, preservatives, sweeteners, thickening agent, spice, etc.

Definition of food additives is not the same countries around the world, the United Nations food and agriculture organization (FAO) and the world health organization (WHO) joint committee on food additives food regulations are defined as food additive is consciously general with a small amount added to the food, to improve the appearance and flavor of food and organizational structure or the nature of the storage of nutrients.According to this definition, food fortifiers intended to enhance the nutritional content of food should not be included in the scope of food additives.

Food additives greatly promote the development of the food industry and are known as the soul of the modern food industry. This is mainly because it brings many benefits to the food industry. Its main functions are as follows:

To prevent deterioration

For example, preservatives can prevent food spoilage caused by microorganisms, extend the shelf life of food, and prevent food poisoning caused by microbial contamination.Another example: antioxidants can prevent or delay the oxidative deterioration of food, to provide stability and storage resistance of food, but also to prevent the formation of potentially harmful oil oxides.In addition, it can also be used to prevent enzymatic Browning and non-enzymatic Browning of food, especially fruits and vegetables.These are of certain significance to the preservation of food.

To improve the sensory

Improve the sensory properties of food

Appropriate use of colorants, protectants, bleaches, spices, emulsifiers, thickeners and other food additives can significantly improve the sensory quality of food, to meet the different needs of people.

Keep the nutrition

Maintain and improve nutritional value

In food processing, proper addition of some food nutrition fortifier belonging to the scope of natural nutrition can greatly improve the nutritional value of food, which is of great significance to prevent malnutrition and lack of nutrition, promote nutritional balance, and improve people's health.

Before food additives are used, strict quality indexes and safety tests should be carried out. Quality indicators are generally divided into three aspects: appearance, content and purity, and some include indicators of microorganisms and aflatoxin. Food additives can improve the quality, grade, color and aroma of food; Maintain the quality and freshness from raw materials to finished products; To improve and maintain the nutritional value of foods; Development of new products; It plays an important role in the smooth process of food processing. With the development of food industry, food additive has become an indispensable base material for processing food

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