People use food as their food. Food safety has always been the basis of the people’s lives, the basis for the country’s stability, and the advancement of social development. The recent social and food safety problems that have exploded one after another have caused great distrust for the food safety of our country and the people of the world. Confidence in food consumption has also declined sharply. The problem of food safety is ultimately a concern for the majority of consumers. The use of synthetic food additives has a direct impact on the safety of food and is directly related to the health of consumers.
What exactly is a food additive? According to the "Food Hygiene Law of the People's Republic of China" (1995): Food Additives are chemical compounds that are added to foods to improve the quality and colour, aroma, taste, shape of foods and for the need of preservation and processing. "Natural substances" also stipulates that "natural or synthetic food additives that belong to the range of natural nutrients added to foods for the purpose of enhancing nutrient composition" are called "nutritional fortifiers." Therefore, nutritional supplements also belong to the category of food additives.
In the process of food processing and raw material processing, it is also possible to apply certain auxiliary substances in order to enable it to proceed smoothly. These substances are not related to food, such as filter aid, clarification, lubrication, stripping, decoloration, peeling, solvent extraction and nutrients for fermentation. They should generally be removed from the finished food product and should not be part of the final food product, or only There is residue. This type of substance is called a food processing aid, but it also belongs to the category of food additives.
Food additives generally may not be food, nor do they necessarily have nutritional value, but they must meet the definition defined above, that is, do not affect the nutritional value of food, and have the effect of preventing the deterioration of food rot, enhancing the sensory traits of food or improving the quality of food. In general, food additives can be divided into natural and chemically synthesized two categories according to their sources. Natural food additives refer to the natural substances obtained through the extraction using the metabolites of animals, plants or microorganisms as raw materials. Chemically synthesized food additives refer to the use of chemical means for the passage of elements or compounds through oxidation, reduction, condensation, polymerization, and the like. Substances obtained by synthesis reactions such as salts. Most of the chemicals currently used are chemical synthetic food additives.
The merits of food additives made in the food industry cannot be completely ignored by several "black sheep". Food additives can play a role in improving food quality and nutritional value, improving food sensory properties, preventing food spoilage, prolonging the period of food preservation, facilitating food processing, and improving the utilization of raw materials. It makes “hungry†a pleasure. During the processing of various types of food, in order to ensure the quality of the product, appropriate food additives are selected based on the characteristics of the processed product. Therefore, after food additives are used in the food industry, they play the following roles:
(1) Improve and improve sensory indicators such as food color, aroma, taste and mouthfeel Food processing generally involves physical processes such as grinding, crushing, warming and pressurization. During these processing steps, foods tend to fade and discolor. The inherent aroma of some foods has also been lost. In addition, the same processing process is difficult to solve the product's soft, hard, brittle, tough, etc., additives can significantly improve the sensory quality of food to meet people's needs for food flavor and taste.
(2) Maintain and improve the nutritional value of foods Food preservatives and antioxidants can prevent food from oxidizing and deteriorating in foods, and have an important role in maintaining food nutrition. At the same time, adding some nutrients in foods can greatly improve and improve the nutritional value of foods. This has important implications for preventing malnutrition and nutritional deficiencies, maintaining nutritional balance, and improving people's health.
(3) It is good for food preservation and transportation, and extends the shelf life of food.
All kinds of fresh foods and all kinds of high-protein foods, if they do not take anti-corrosion insurance measures, will soon spoil their quality after leaving the factory. In order to ensure that the food maintains its quality and quality during its shelf life, preservatives, antioxidants and preservatives must be used.
(4) Increase food color varieties Food supermarket shelves are filled with a variety of foods. In addition to the main raw materials of these foods are grain, oil, meat, eggs, milk, there is an indispensable raw material, that is, food additives, although the amount of addition is not large, but the combination of different additives can obtain different varieties.
(5) Conducive to food processing operations Many food processing processes require lubrication, defoaming, filtration aids, stabilization, and solidification, which cannot be processed without the use of food additives.
(6) Meeting the Needs of Different Populations Diabetic patients must not consume cane sugar but also satisfy the need for sweetness. Therefore, sugar-free sweeteners are needed. The growth and development of infants require various nutrients, resulting in formula milk powder supplemented with trace elements such as minerals and vitamins.
(7) Increasing economic and social benefits The use of food additives not only increases the variety of food products and improves quality, but also the use of stabilizers, coagulants, and other additives in the production process can reduce the consumption of raw materials and increase product utilization. Lowering production costs can produce significant economic and social benefits.
It can be seen that we do not need to talk about food color additives, as long as we carefully understand the performance of food additives, carefully check the composition, the amount of use and the effective period of the additives in food, make full use of the role of food additives, not only will not damage health, but also for us to add more , more delicious and fresh food, enrich our dining table. Excessive use of additives is indeed a problem, but "food additives = poisoned" in the same way, can not solve any problems. Now there is an important misunderstanding about the reports on food additives and food preservatives. That is, when a certain food product is detected to exceed the standard, it is labeled as “toxic†and there is a stick to kill it. In fact, it exceeds the standard and is toxic and harmful. There is no necessary connection between the words, because our country is adjusted again and again on the bottom line of food safety, and the safety factor index has been raised again and again. Exceeding the standard food does not mean that it is harmful. For example, when a consumer eats a piece of candy and eats sugar every day, the effect of food additives on him is completely different. In this regard, some media reports lack scientificity, accuracy, and objectivity. Of course, excessive food products announced by the government are still to be avoided, but there is no need to oversimplify the issue.
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