The calcium salt of benzoic acid (E210).

Used as a preservative, both antibacterial and antifungal.

Can be found in concentrated pineapple juice.

People who suffer from asthma, aspirin sensitivity or the skin disease urticaria may have allergic reactions and/or find their symptoms become worse following consumption of benzoic acid, particularly in combination with tartrazine (E102).

Not recommended for consumption by children.