Calcium sorbate

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Calcium sorbate is the calcium salt of sorbic acid. Calcium sorbate is a polyunsaturated fatty acid salt.

It is a commonly-used food preservative; its E number is E203.

Its formula is CaC₁₂H₁₄O₄; its systematic name is calcium (E,E)-hexa-2,4-dienoate.

An antifungal and antibacterial preservative, manufactured by neutralisation of Sorbic Acid, E200. (See also E201 and E202).

It can be found in candied peel, cheese, cider, concentrated fruit juice, dessert sauces, dried apricots, fillings and toppings, fermented milks, frozen pizzas, fruit salads, gelatin capsules, margarine, processed cheese spreads and slices, soft drinks, soup concentrates, sweets and yoghurt.

No known adverse effects.