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Vitamin B12 - Coggle Diagram
Vitamin B12
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BIOLOGICAL FUNCTIONS
- aids the metabolism of fatty acids to release energy
- aids the metabolism of folate / folic acid
- maintains the myelin sheath which speeds up nerve impulses
- aids formation of red blood cells
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EFFECTS OF DEFICIENCY
- increased risk of neural tube defects in the foetus
- delayed nerve impulses, leading to cognitive impairment
- tiredness and irritability due to lack of energy
- pernicious anaemia, due to low levels of red blood cells that are needed to transport oxygen
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PROPERTIES
heat stable, but some lost during cooking
destroyed by strong acids, alkalis and light
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