Functions of Major Nutrients

Function of Carbohydrates (+ 4 examples of source)

To provide fuel for the body as glucose eg. vegetables, rice, bread, pasta

Function of Fibre (3) (+ 3 examples of source)

provides a feeling of fullness, reduces cholesterol level and adds bulk to faeces eg. wholemeal bread, fruit and vegetables

Function of Fats

development and maintenance of cell membranes, HDL helps to lower cholesterol

Function of Protein (+ 5 examples of source)

to build, maintain and repair body cells eg. eggs, lean meat, seafood, legumes, nuts

Function of water (3) (+ 5 examples of source)

facilitates chemical reactions in body, transporting nutrients in blood, thermoregulation eg. water, watermelon, apple, celery, cucumber

Function of Vitamin C (+ 2 examples of source)

assists in repairing skin and tissues, promotes production of collagen eg. citrus fruits, vegetables

Function of Vitamin D (+ 3 examples of source)

helps to absorb calcium from intestines and assists immune system eg. fish, cheese, egg yolks

Function of Iron (+ 4 examples of source)

carries oxygen in the blood eg. lean red meat, chicken, leafy green vegetables, eggs

Function of Calcium (+ 2 examples of source)

building bone, teeth and cartilage, preventing dental decay eg. dairy products, green leafy vegetables

Function of Sodium (+ 2 examples of source)

regulation of fluids in the body eg. olives, table salt

Function of Folate (+ 4 examples of source)

DNA synthesis, cell growth, formation of red blood cells eg. green leafy vegetables, citrus fruits, chicken and eggs