flavin adenine dinucleotide

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Food Biotechnology

(Abbreviation: FAD). A co-enzyme important in various biochemical reactions. It comprises a phosphorylated vitamin B₂ (riboflavin) molecule linked to AMP, and functions as a hydrogen acceptor in dehydrogenation reactions. The reduced form is oxidized back to FAD by the electron transport chain, generating two molecules of ATP per molecule of reduced FADH.

UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture