Topic 8: Vitamins Flashcards
what is the function of vitamin A?
growth and development
keep throat, digestive system and lung lining moist free infection
keeps eyes healthy
helps with vision in dim light
what is the function of B12?
maintains the sheath that surrounds and protects nerve fibers and promotes their normal growth.
helps B12 to divide cells
What does vitamin A deficiency cause?
night blindness or permanent blindness
child not growing properly
weak immune system
liver and bone damage
What are the sources of retinol?
Animal sources: primarily dairy products and liver (cod liver oil, other fish oils, egg yolk)
what is another name for vitamin D?
cholecalciferol
what are the sources of vitamin E?
Vegetable oils (corn and safflower oils) green leafy vegetables and whole grains. (Found in many foods including polyunsaturated vegetable oils)
what are the sources of vitamin K?
green leafy vegetables, cheese, liver, coffee
what are the factors affecting vitamin C?
oxygen, water and enzymes
what is another name for vitamin B1?
Thiamine
what are the sources of vitamin B1?
wholegrain cereals, yeast, marmite, wheatgerm
what is the function of vitamin B1?
growth and general good health
breakdown of CHO foods
what does a deficiency of vitamin B1 cause?
Beriberi - failure to grow
nervous system damage, paralysis
what are the sources of vitamin B2?
lean meat, milk, eggs, yeast, liver
what does a deficiency of B2 cause?
tiredness, apathy, failure to grow
what are the sources of vitamin B3?
Wheat, nuts, meat and fish
what are the sources of vitamin B6?
wholegrain cereals, yeast, marmite, wheatgerm
what is the function of vitamin B6?
release energy of CHOs, alleviate stress