AQA GCSE Food preparation and nutrition - vitamins - (1.1.4) Flashcards
What is the chemical name for vitamin A?
Retinol
Name 1 source of vitamin A
Milk, cheese, butter, eggs, oily fish, vegetable fat spreads
State 2 functions of vitamin A in the body.
Healthy skin
helps the body to see in dim light
Helps children to grow
Produces mucus
State the effects of a vitamin A deficiency in the body.
Children do not grow properly
Skin and mucus membranes become dry and infected
Inability to see in dim light
Can lead to total blindness
State 1 effect of a vitamin A excess in the body.
Vitamin A is poisonous when consumed in large amounts
Can damage the development of an unborn baby
How is vitamin D made in the body?
The reaction of sunlight under the skin causes vitamin D to be made
State 3 food sources of vitamin D
Oily fish, meat products, eggs, butter, vegetable fat spreads, fortified breakfast cereals
State 2 functions of vitamin D in the body.
Helps calcium to be absorbed from from the small intestine during digestion
Helps calcium to be deposited into bones and teeth
Explain the effects of a vitamin D deficiency in children.
Their bones and teeth will not strengthen and the bones in the legs will bend under the weight of the body. This condition is called rickets.
Explain the effects of a vitamin D deficiency in adults.
Their bones will start to weaken and break easily. This condition is called osteomalacia.
Explain the affects of a vitamin D excess in the body.
If too much calcium is absorbed, the kidneys will be damaged. This is especially prevalent in young children.
Name 2 sources of vitamin E
Soya, corn oil, olive oil, nuts, seeds, wheatgerm, vegetable fat spreads
What is the function of Vitamin E in the body?
Vitamin E is an anti-oxidant
Name 1 source of vitamin K
green leafy vegetables, cheese, green tea
What is the function of vitamin K?
To help the blood clot over a wound
