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Stichting Food-Info> E-numbers > E200-300

E210: Benzoic acid

Benzenecarboxylic acid; dracylic acid; phenylcarboxylic acid

Benzoic acid, benzoates and benzoic acid esters are commonly found in most fruits, especially berries. Cranberries are a very rich source of benzoic acid. In addition to fruits, benzoates occur naturally in mushrooms, cinnamon, cloves and some dairy products (due to bacterial fermentation). For commercial purposes, it is prepared chemically from toluene.

Function & characteristics:
Benzoic acid and benzoates are used as preservatives against both yeasts and fungi in acidic products. They are not very effective against bacteria and ineffective in products with a pH above 5 (slightly acidic or neutral). High concentrations result in a sour taste, which limits the application. Benzoates are often preferred, due to better solubility.

Benzoic acid and benzoates are used in a wide range of acid or slightly acidic products.

Daily intake:
Up to 5 mg/kg body weight.

Side effects:
No side effects in the concentrations used. In some people benzoic acid and benzoates may liberate histamine and thus cause pseudo-allergic reactions.

Dietary restrictions:
None benzoic acids and benzoates can be consumed by all religious groups, vegans and vegetarians. is an initiative of Stichting Food-Info, The Netherlands

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