Citric acid is an edible acid, which can enhance the normal metabolism in the body. Proper dosage is harmless to the human body. Adding citric acid to some foods tastes good and can stimulate appetite. In China, citric acid is allowed to be used in jam, beverage, canned food and candy. 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 foods containing citric acid may lead to hypocalcemia and increase the risk of duodenal cancer. Children are characterized by nervous system instability, excitability and autonomic nervous disorder; Adults have hand and foot convulsions, muscle spasms, paresthesia, itching and digestive tract symptoms.

Benzoic acid, health hazard: mild irritation to skin. Steam can irritate the upper respiratory tract, eyes and skin. This product has no obvious harm in general contact. Environmental hazard: it is harmful to the environment and can pollute water and atmosphere. Danger of explosion: This product is flammable and irritating. Hazard characteristics: flammable in case of open fire and high heat.

Acesulfame K is a synthetic sweetener. Regular consumption of foods containing excessive synthetic sweeteners will do harm to the liver and nervous system, especially to the elderly, pregnant women and children. If eaten in large quantities in a short time, it will cause thrombocytopenia and lead to acute massive bleeding.