Citric acid, as a food additive, has the functions of regulating sour taste and preserving freshness, and is also used as a detergent in the washing industry. It can be extracted from plant raw materials, or it can be made from sugar by citric acid fermentation. It can be used to make drugs, soda, candy, metal cleaners, mordants, etc. It is an important part of the tricarboxylic acid cycle.

Citric acid is a kind of sourness agent, which is mainly used to add with food, medicine and chemical industry. Different amounts of citric acid are added according to different formulas in the process of food use, and the addition process is generally in the feeding stage of food main raw materials.

Extended information:

Harm of long-term consumption of citric acid:

Proper dose of citric acid is harmless to human body and is used in many foods. Although citric acid has no direct harm to human body, it can promote the excretion and deposition of calcium in the body. For example, long-term consumption of food containing citric acid may lead to hypocalcemia and increase the risk of duodenal cancer. < P > Children show nervous system instability, excitability and autonomic nerve disorder; Adults suffer from hand and foot convulsions, muscle spasms, paresthesia, itching and digestive tract symptoms.

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People's Daily Online-Lotus root exposed to citric acid in Wenzhou vegetable market can seriously cause nervous disorder.