Addition of dyes or pigments, e.g. in combination with optical brighteners

Full Title

Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor > Colouring or decolouring of foods > Addition of dyes or pigments, e.g. in combination with optical brighteners

Child Classifications

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• A23L 5/43 using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
• A23L 5/46 using dyes or pigments of microbial or algal origin
• A23L 5/47 using synthetic organic dyes or pigments not covered by groups A23L5/43 - A23L5/46