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Anoxomer

Anoxomer is a food additive with E number E323. It is a non-digestible polymeric antioxidant. It was designed to allow the introduction of established antioxidants in a non-absorbable manner in order to avoid potential health risk associated with their digestion.

Anoxomer is prepared by condensation polymerization of divinylbenzene and a mixture of antioxidant monomers including tert-butylhydroquinone, tert-butylphenol, hydroxyanisole, p-cresol and 4,4'-isopropylidenediphenol.