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Bleaching Agent

Bleaching Agent. An oxidizing (q.v.) chemical that is added to flour (q.v.) to remove the creamy to yellowish color produced by carotenoid (q.v.) pigments. The primary bleaching agent presently in use is benzoyl peroxide (q.v.), although others, such as chlorine (q.v.), nitrosyl chloride (q.v.), nitrogen peroxide (q.v.), and acetone peroxide (q.v.) are also permitted in flour. Chlorine is used mainly in the treatment of soft wheat flour (q.v.) intended for cake (q.v.) production.