Introduction of food additive potassium permanganate.
Potassium permanganate is a common food additive, mainly used to maintain the color and antioxidant properties of food. It plays an important role in food processing to ensure the quality and extend the shelf life of food products.
First, let us understand the basic properties of potassium permanganate. Potassium permanganate is a purple-black crystal that is easily soluble in water and alkaline. It has strong oxidation and can effectively delay the oxidation process of food and prevent food from discoloring and deterioration. In the food industry, potassium permanganate is widely used in the processing of foods such as meat, fish, fruits and vegetables.
So, how does potassium permanganate work? In food processing, potassium permanganate can come into contact with food surfaces by soaking, spraying, or smearing, thereby playing the role of sterilization, disinfection, and preservative. At the same time, potassium permanganate can also react with proteins on the surface of food to form a protective film to prevent food from coming into contact with oxygen in the air and delay the oxidation process of food. In addition, potassium permanganate can also remove dirt and odor on the surface of food, improving the quality and taste of food.
Although potassium permanganate plays an important role in food processing, its use also requires care for appropriate amounts and compliance. According to national regulations, the use of food additives must comply with relevant standards and regulations, and shall not exceed or abuse. At the same time, consumers also need to pay attention to the product description and expiration date when buying and using foods containing potassium permanganate to ensure food safety.
In addition, it is important to note that potassium permanganate is not only used in food processing. It also has a wide range of applications in other fields, such as chemical experiments, sewage treatment, and household cleaning, among others. However, when using potassium permanganate, special attention needs to be paid to safety issues. If potassium permanganate is accidentally ingested or comes into contact with it, it should be rinsed with clean water immediately and seek medical attention in time.
In summary, potassium permanganate, as a common food additive, plays an important role in food processing. It can maintain the color and antioxidant properties of food, improve the quality of food and extend the shelf life. However, when using potassium permanganate, there are standards and regulations that need to be followed to ensure food safety. At the same time, consumers also need to pay attention to check the product description and expiration date to avoid buying and using substandard food. Food processing aids