E300–E399: antioxidants & acidity regulators

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E300–E399 cover antioxidants and acidity regulators — additives that stop fats and oils turning rancid or control how acidic a food is. Well-known examples include E300 (ascorbic acid, vitamin C) and E330 (citric acid).

This range includes antioxidants, which delay the oxidation (rancidity) of fats and oils, and acidity regulators, which set or maintain a food’s pH. Familiar examples are E300 (ascorbic acid / vitamin C), E306 (tocopherols / vitamin E), E322 (lecithins) and E330 (citric acid).

As with all additives, the authorised uses are listed in the EU food additives database and the safety evaluations are carried out by EFSA.

FAQ

Is E300 the same as vitamin C?

Yes. E300 is ascorbic acid, which is vitamin C, used here as an antioxidant to help stop food oxidising.

What is E330?

E330 is citric acid, a very common acidity regulator that also occurs naturally in citrus fruit.

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