nicotinamide /nic·o·tin·a·mide/ (nik″o-tin´ah-mīd) niacinamide.
nicotinamide.
nicotinamide adenine dinucleotide (NAD) a coenzyme composed of nicotinamide mononucleotide in pyrophosphate linkage with adenosine monophosphate; it is involved in numerous enzymatic reactions, in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH).
nicotinamide adenine dinucleotide phosphate (NADP) a coenzyme composed of nicotinamide mononucleotide coupled by pyrophosphate linkage to adenosine 2′,5′-bisphosphate; it serves as an electron carrier in numerous reactions, being alternately oxidized (NADP+) and reduced (NADPH).
nic·o·tin·a·mide (n k  -tn -m d, -t n-)n. The biologically active amide of niacin having similar vitamin activity and used in the prevention and treatment of pellagra. Also called niacinamide. |
nicotinamide.
See niacinamide.
nicotinamide
the amide of the B group vitamin, niacin, occurring naturally in the body and interconvertible with niacin; used in the prophylaxis and treatment of pellagra in humans. Called also niacinamide.
nicotinamide adenine dinucleotide (NAD)
a coenzyme that is involved in many biochemical oxidation-reduction reactions. The symbols for the oxidized and reduced forms are NAD+ and NADH.
nicotinamide adenine dinucleotide phosphate (NADP)
a coenzyme similar to nicotinamide adenine dinucleotide but involved in fewer reactions. The symbols for the oxidized and reduced forms are NADP+ and NADPH.
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