How to use potassium sorbate

1. It can be used by direct addition, spraying, dipping, dry powder spraying, processing on packaging materials and other methods. Potassium sorbate is incompatible with alkali, oxidizing agents and reducing agents. The antibacterial activity of sorbic acid is reduced when encountering non-ionic surfactants and plastics. Heavy metal salts can catalyze oxidation reactions.

2. Sorbic acid can also react with sulfur-containing amino acids, but this reaction can be inhibited by adding vitamin C, propyl gallate or butylated hydroxytoluene. The solution is very sensitive to pH when stored in glass containers. Therefore, preparations using potassium sorbate as a preservative need to be tested for microbial content after being stored for a long time. If sorbic acid solutions are stored in polypropylene, polyvinyl chloride or polyethylene containers without adding antioxidants, sorbic acid will degrade quickly.

3. Potassium sorbate is made from sorbic acid and potassium carbonate as raw materials after a chemical reaction. The sorbate radicals and potassium ions combine to form potassium sorbate. Since the prices of potassium carbonate and potassium benzoate are lower than sorbic acid, potassium carbonate is illegally added to the product. Strict management is also one of the reasons for the existence of fake potassium sorbate. At present, health supervision, quality supervision and other departments can supervise the quality of food additives.