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2047654
Iron
Description
Properties of Iron
No tags specified
nutrition
minerals
iron
properties
fe
Mind Map by
lorettamccann
, updated more than 1 year ago
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Created by
lorettamccann
almost 10 years ago
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Resource summary
Iron
Dietary Forms
Haem Iron
Flesh Foods - Red Meat, Organ Meats & Poultry
Represents 10% of the dietary iron but absorption is 25%
Non-haem Iron
Flesh & Plant foods - Dark Leafy Green Veg (Parsley), Pine Nuts, Apricots & Dried Fruits
Represents 90% of our dietary iron but absorption is only 17%
Supplements
Recommended for
Pregnant Women / Infants / Young Children
Best Absorbed = Iron Sulphate & Iron Chelate
Absorption improves when supplements are taken on empty stomach or between meals
Absorption impaired with tannins, Ca 2+, Oxalates & Phytates
Examples Spinach, Kale, Chocolate, Rhubarb, EDTA in foods additives reduces absorption by 50%
RDA = Women at 14mgs/day
RDA = Men at 10mgs/day
Metabolic Functions
Haemoglobin - Oxygen Transport
Myoglobin - Oxygen storage in muscle
Catalase & Peroxidase - enzymes that prevent against reactive oxygen species
Cytochromes critical for energy production in the electron transport chain
Immune Function Regulator - essential growth factor for bacteria
Prooxidant - excess Iron promotes Lipid Peroxidation and tissue damage
Iron Recycling
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