Potassium sorbate

Potassium Sorbate

What Is Potassium Sorbate Preservative?

Commercially known as Potassium Sorbate, it is a chemical anti-mold agent with the chemical formula C6H7KO2 and is highly soluble in water.
In the food industry, it is used as a shelf-life extender. When used in permitted amounts, it is non-toxic and shows its best effect at pH below 6.
Its pH is 8.4 and its effective antimicrobial concentration in food products is between (0.3–0.5)%.
Potassium sorbate is a colorless salt, highly soluble in water, and is widely used in foods as an anti-mold preservative.
It prevents spoilage and deterioration caused by mold activity.
Its target sites in microbial cells include **sulfhydryl-containing enzymes**, the **oxidative phosphorylation system**, and the **respiratory system**.
In addition to inhibiting bacteria, sorbates also prevent **spore germination** and **vegetative cell growth**.

Applications of Potassium Sorbate

Potassium sorbate is used in meat products, bakery items, beverages, and to prevent mold, fungal growth, and undesired fermentation in cheese.
It increases the shelf life of the final product.

Uses of Potassium Sorbate in the Food Industry:

• Meat products
• Bakery products (cakes and cookies)
• Jam
• Cheese – Margarine (as a preservative)
• Pickled products
• Non-alcoholic beverages

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