Fuente: WIPO "tomato" What claimed is a consumer preparation comprising or consisting of an antioxidant composition, wherein said antioxidant composition comprises or consists of (a) at least one primary antioxidant, which is a 2,5-dihydroxy alkanoic acid, a salt or an ester thereof according to formula (I): wherein R stands for hydrogen, a monovalent cation, a C1-C6 alkyl or an C2-C4 alkenyl group; and (.......) has the meaning of a single or double bond; and (b) a carrier on condition that said preparation is free of oxidative dyestuffs, and the preparation comprises the at least one 2,5-dihydroxy-alkanoic acid its salt or ester according to formula (I) in a working amount of from about 0.005 to about 0.2 wt.-percent – calculated on the preparation.