The chemical reactions and pathways resulting in the breakdown of nicotinamide adenine dinucleotide, a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; catabolism may be of either the oxidized form, NAD, or the reduced form, NADH. [ https://www.worldcat.org/search?q=bn%3A0618254153 GOC:jl ]
Synonyms: oxidized nicotinamide adenine dinucleotide catabolic process NAD (reduced) catabolism oxidized NAD catabolic process NAD breakdown NADH catabolic process NAD degradation NADH catabolism NAD (reduced) catabolic process NAD (oxidized) catabolism oxidized NAD catabolism reduced nicotinamide adenine dinucleotide catabolic process NAD (oxidized) catabolic process reduced NAD catabolism nicotinamide adenine dinucleotide catabolism nicotinamide adenine dinucleotide catabolic process reduced NAD catabolic process reduced nicotinamide adenine dinucleotide catabolism oxidized nicotinamide adenine dinucleotide catabolism NAD catabolism