An antifungal and antibacterial preservative, manufactured by neutralisation of Sorbic Acid, E200 with potassium hydroxide. More soluble than E200. (See also E201 and E203)

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, glacé cherries, jams and preserves, margarine, pickled cucumber, processed cheese spreads and slices, salad dressing, seafood dressings, soft drinks, soup concentrates, sweets, table olives, tinned fruit pie fillings, wine and yoghurt.

No known adverse effects.