Niacinamide crystals, SEM

Niacinamide crystals, SEM

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Caption: Nicotinamide crystals, coloured scanning electron micrograph (SEM). This is the amide of nicotinic acid. The acid and amide are both B vitamins. Nicotinamide is a component of two vital coenzymes, NAD (nicotinamide adenine dinucleotide) and its phosphate NADP, which are responsible for electron transport in cellular respiration. A deficiency of these and other B vitamins may lead to pellagra, shown by severe dermatitis, diarrhoea and depression. Sources of niacinamide include vegetables, lean meat, milk and some cereals. Magnification: x917 when printed 10 centimetres wide.

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Keywords: b vitamin complex, biochemical, biochemistry, biological, biology, chemical, chemistry, coloured, compound, compounds, crystal, crystals, essential nutrient, false-coloured, niacinamide, nicotinamide, nicotinic acid amide, scanning electron micrograph, scanning electron microscope, sem, vitamin, water-soluble

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