Minerals

Question 1

Function and Food sources of calcium

Answer 1

• Works together with phosphorus & vitamin D for the formation & maintenance of bones & teeth.
• 99% of the body’s calcium is deposited in the skeleton & teeth
• dried anchovies with bones (ikan bilis)
• milk
• sesame seeds
• tofu
• watercress

Question 2

Function and Food sources of Phosphorus

Answer 2

• Works together with calcium & vitamin D for the formation & maintenance of strong bones & teeth
• helps maintain a normal pH in the body by functioning as a buffer to prevent extreme pH changes
• forms a part of a molecule that stores & releases energy in the body
• liver
• mackerel
• milk
• pistachio nut
• potato
• spinach
• sunflower seeds

Question 3

Function and Food sources of Iron

Answer 3

• essential for the formation of haemoglobin & myoglobin
• needed to activate enzymes
• beef
• clam
• liver
• prawn
• sesame seeds
• spinach
• tofu

Question 4

Function and Food sources of Sodium chloride

Answer 4

• works together with potassium to regulate the movement of minerals and fluids in and out of body cells (fluid balance)
• works together with potassium to enable nerve impulses throughout the body (nerve impulse transmission)
• chloride is essential for the formation of hydrochloric acid (found in the stomach) which is needed for digestion
• potato chips
• salted egg/fish
• sausage
• soya sauce
• tomato ketchup

Question 5

Function and Food sources of Potassium

Answer 5

• works together with sodium to regulate movement of minerals & fluids in and out of body cells (fluid balance)
• works together with sodium to enable transmission of nerve impulses throughout the body. (Nerve impulse transmission)
• beef
• salmon
• yoghurt
• banana
• potato
• spinach