Friday 19 September 2014

PHYSIOLOGICAL ROLE OF IMPORTANT MINERALS



Elements
Sources(1)
Physiological Role
Deficiency Disease
Potassium (k) 
Banana
Major-intracellular positive ion: nerve and muscle function; acid base balance
Secondary to illness, injury or diuretic therapy; paralysis, mental confusion muscular weakness
Calcium (Ca)
Dairy products, beans, leafy vegetables
Component of bones, teeth; regulation of nerve, muscle function, blood clotting
Children –rickets
Adults- ostomalacia

Phosphorus (P)
Phosphate food additives
Bone formation, part of DNA, RNA, ATP, etc.; energy metabolism
Children –rickets
Adults-ostomalacia

Magnesium (Mg)
Leafy green vegetables
Bone and teeth; carbohydrate metabolism
Secondary to malabsorption or diarrhea, alcoholism
Chlorine (CI)
Table salt
Major extracellular negative ion; osmotic and acid-base balance; stomach acid

Mineral and trace element requirements are met by a varied intake of whole grain cereal, legumes, leafy green vegetables, meat and dairy products.

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