Preservatives are a general term for chemical substances added to food to prevent food from spoiling, extend the shelf life of food, and inhibit the reproduction of microorganisms in food.

According to surveys and statistics from the Ministry of Health, the most harmful factors in food are microbial contamination and nutritional imbalance, which are much more harmful than the abuse of food additives. Adding preservatives is to prevent the growth of microorganisms in food and cause food deterioration. Using preservatives in accordance with national standards is a guarantee for food safety. Most preservatives added in appropriate amounts will be digested by the human body. When used rationally, they are harmless to the human body. . The state has strict requirements on the amount of preservatives added to different foods. For example, the amount of preservatives in soy sauce is one thousandth of the amount of food, and the amount of preservatives in soda is two thousandths of the amount of food. Within this range, even if you eat food with preservatives every day, it will not cause adverse effects on the body. But if it contains too much preservatives, it will bring unhealthy risks to the body

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