Vitamin B3 crystals,polarised light micrograph. Vitamin B3 exists in two main forms: niacin and niacinamide. This image is of crystals of niacinamide. Vitamin B3 is part of the vitamin B complex,and takes part in many metabolic reactions. Good sources of vitamin B3 are liver meat,groundnuts and sunflower seeds. A deficiency of this vitamin in the diet causes the disease pellagra. Magnification: x25 when printed at 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gaff, Karl |
Bildgröße: | 6000 px × 4000 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |