important for overall health of the body, strengthening immunity against infections, helping vision in dim light, keeping skin and the linings of some parts of the body, such as the nose healthy by lining with mucus membrane
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what are some good sources of vitamin A?
cheese, eggs, oily fish, such as mackerel, milk, fortified low-fat spreads, yoghurt, liver
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How much of vitamin A do we need a day?
0.7mg a day for men and 0.6mg a day for women
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what if we have too much Vitamin A?
According to some research, having more than an average of 1.5mg a day of vitamin A over many years may affect your bones, making them more likely to fracture when you are older.
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What happens if there is a defiency?
can cause blindness or an effect on vision. An increase risk of disease or infection. Can cause dry or scaly skin. Can cause infertility. Can cause abnormal bone growth.
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is Vitamin A a fat or water soluble Vitamin?
This is a fat soluble vitamin
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are there any effects on heating?
mostly unaffected by cooking methods, but small amounts can be lost by frying or prolonged cooking. Can be affected by heat or air if the fat is rancid.
control of normal calcium and phosphate blood levels to keep bones and teeth healthy. It is also necessary for the change in immune system.
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what happens during a deficiency of Vitamin D?
this can cause bowed legs in children, rickets and osteoporosis
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what happens during an excess amount of vitamin D?
this can lead to excess amounts of calcium as more is absorbed than excreted. This can lead to damage to the kidneys and can encourage calcium to be removed from the bones which can weaken them.
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what happens when Vitamin D is heated?
there is no vitamin loss. Only when the fat is removed from foods.
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what happens when vitamin D is cooked?
very little vitamin D is lost as it is a stable vitamin. But can be lost due to cooking ater being boiled.
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what is the recommended amount of vitamin D for adults?
the reccomended dietary allowances for 19-50 year olds is 15mg for men and women.
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Other cards in this set
Card 2
Front
name four functions of vitamin A
Back
important for overall health of the body, strengthening immunity against infections, helping vision in dim light, keeping skin and the linings of some parts of the body, such as the nose healthy by lining with mucus membrane
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