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5415534
Vitamin B12 Complex
Description
A-Level Food Technology Mind Map on Vitamin B12 Complex, created by Izzy Backhouse on 13/05/2016.
No tags specified
aqa
food technology
a level
vitamin b
micronutrients
water soluble
aqa a level
as level
riboflavin
thiamin
niacin
food technology
a-level
Mind Map by
Izzy Backhouse
, updated more than 1 year ago
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Created by
Izzy Backhouse
over 8 years ago
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0
Resource summary
Vitamin B12 Complex
B1 - Thiamin
Deficiency
Beriberi
Loss of appetite, irritability and tiredness.
Sources
Yeast Peanuts Bacon Eggs Bread
Effect of cooking
Destroyed at high temperatures and very soluble in water.
Lost during food preparation.
Function
Promotes nerve activity. Required for reactions which release energy from carbohydrates.
B2 - Riboflavin
Function
Essential for cell respiration. Maintenance of musocal and eye tissues.
Sources
Yeast, Cheddar cheese, Chocolate, Eggs, Milk, Spinach
Deficiency
Poor appetite, stunted growth, conjunctivitis
Effect of Cooking
More stable to heat than B1.
B3 - Pantothenic Acid
Sources
Found in virtually all foods.
Deficiency
None known to man.
Effect of cooking
Quite stable, less soluble in water
Function
Essential for cell metabolism
Folic Acid
Excess
Disguises vitamin B12 deficiency which eventually damages the nervous system.
Sources
Broccoli, Sprouts Liver, Spinach, Peas, Chickpeas, Fortified breakfast cereals
Deficiency
Folate deficiency anaemia, neural tube defects.
Effect of cooking
Soluble in water, losses at high temperatures
B12
Sources
Lamb, Pork, Beef, Cod, Eggs, Milk
Function
Formation of enzymes and normal red blood cells.
Deficiency
Pernicious anaemia
Vegans can be at risk of deficiency if they do not take supplement tablets as it is only found in animal products.
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