The effects and effects of potassium sorbate mainly include the following aspects:

1. Preservative: Potassium sorbate can destroy the microbial dehydrogenase system, effectively inhibit the growth of staphylococcus, salmonella, etc., so as to play a role in preservation and preservative.

2. Antibacterial: Potassium sorbate can effectively inhibit the growth of a variety of bacteria, including but not limited to Salmonella, E. coli, etc., to help maintain food safety and hygiene.

3. Anti-mildew: Potassium sorbate has certain anti-fungal activity, which can effectively prevent food from being contaminated by mold and maintain the freshness of food.

4. Antioxidant: Potassium sorbate as an antioxidant, can delay the process of fat oxidation in food, reduce the odor and deterioration caused by oxidation.

5. Improve food quality: potassium sorbate can stabilize the pigments and vitamins in food, prevent them from being decomposed due to light, heat and other factors, thereby improving the color and nutritional value of food.

6. Supplemental nutrition: Potassium sorbate contains potassium, and appropriate intake can supplement the required potassium for the body and help maintain the normal physiological functions of the body.

7. Beauty and hair: Potassium sorbate is often used in cosmetics, such as shampoo, hair gel and skin cream, can adjust the PH, reduce the irritation of hair, while playing a role in anti-corrosion and improve the skin.

8. Help wine making: Potassium sorbate can stabilize the ingredients in the wine, prevent wine and other wines from losing their taste during the fermentation process, and ensure the quality of the wine.

9. Improve appetite: Potassium sorbate has a sour taste that can promote the secretion of saliva and stomach juices, helping to promote appetite.

It is important to note that reasonable amounts should be followed when using potassium sorbate to ensure safety and avoid long-term excessive intake. For sensitive groups such as children and pregnant women, food containing this substance should be consumed with caution.