Vitamin B3, nicotinic acid, niacin, or 3-pyridine carboxylic is involved in the oxidative release of energy from food, protects the skin and helps improve circulation. Nicotinic acid is an essential component of mammalian diet. It is the pellagra-preventing factor of vitamin B. The amide, nicotinamide is incorporated into nicotinamide adenine dinucleotide.
It can be prepared synthetically by oxidizing nicotine with a variety of agents or more cheaply from pyridine or quinoline.
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Vitamin B3 -3D structure |
Vitamin B3 -2D structure - m.p. 232 oC., C6H5NO2 |
