Vitamin B3. Polarised light micrograph of vitamin B3 crystals. Vitamin B3 exists in two main forms: niacin and niacinamide. It is one of the B vitamins complex,and takes part in many metabolic reactions. Good sources of vitamin B3 are liver meat,groundnuts and sunflower seeds. Deficiency in the diet causes the disease pellagra. Pellagra symptoms include a swollen tongue,diarrhoea,mental confusion and depression. Magnification: x80 when printed 10cm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Pasieka, Alfred |
Taille de l’image : | 4256 px × 2848 px |
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Property Release : | Non requis |
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