Vitamins

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  • Created by: zoe
  • Created on: 31-01-14 11:24
What are the sources of vitamin K?
liver and foods such as leafy green vegetables, fruits, dairy products, vegetable oils, cereals and meat.
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What is the stability of vitamin K?
fat soluble and therefore stable when heated
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What are the functions of vitamin K?
essential to aid blood clotting and regulates quantity of calcium in the blood.
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What are the deficiency's of vitamin K?
prevents blood clotting, can cause internal bleeding or anaemia, not enough in new born babies could cause a deficiency, excess is not a problem.
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Why is vitamin B also known as vitamin B complex?
it is a variety of substances, the main ones being thiamin, niacin, riboflavin and folic acid
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What are the sources of vitamin B?
Cereals, wheatgerm, yeast, yeast extract, meat fish, eggs, dairy produce and pulses
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Where is thiamin found?
brazil nuts and peanuts
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Where is riboflavin found?
almonds, mushrooms, spinach and broccoli
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Where is niacin found?
dried peaches, peanuts and dried apricots
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Where is folic acid found?
green vegetables, sprouts and potatoes
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What is the stability of vitamin B?
water soluble, should not be exposed to light and should be stored in the dark
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What is the stability of thiamin?
heat destroys some of the vitamins
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what is the stability of riboflavin?
destroyed if in the presence of an alkali
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What is the stability of niacin?
not destroyed by heat or alkalis
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What is the function of thiamin?
releases energy from fats and carbohydrates
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What is the function of riboflavin?
releases energy from food
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What is the function of niacin?
forms part of enzyme which releases energy
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What can a deficiency of vitamin B cause?
loss of appetite, confusion, lack of muscle, beri-beri, poor healing, sore/cracked lips, slow child growth, illness
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What can a folic acid deficiency cause?
anaemia, extra required when pregnant
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What is vitamin C also known as?
ascorbic acid
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What are the sources of vitamin C?
citrus fruits, strawberries, blackcurrants, tomatoes, green vegetables, potatoes and red and green peppers
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What is the stability of vitamin C?
Water soluble, easily destroyed during preparation (heat)
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What is the function if vitamin C?
Helps absorb calcium and iron from food, protects against infection and allergies
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What doe a vitamin C deficiency cause?
Slow healing wounds, poor skin, scurvy
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What is vitamin E also known as?
Tocopherol
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What are the sources if vitamin E?
Vegetable oils, nuts, seeds, cereal products, egg yolk
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What is the stability of vitamin E?
Fat soluble, stable when heated, doesn't dissolve in water
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What are the functions of vitamin E?
Keeps lungs and red cells healthy, prevent certain cancers and protect against heart disease, preserve fats and oils, found in all cells
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What are the effects of a vitamin E deficiency?
Rarely found
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What is vitamin A also known as?
Retinol and carotene
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Where is Retinol found?
Liver, eggs, butter, fish oils
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Where is carotene found?
Yellow and orange fruits and vegetables
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What has to be added to margarine and low fat spreads by law?
Vitamin A and vitamin D
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What is the stability of vitamin A?
Fat soluble, destroyed by heat and air
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What is the function of vitamin A?
Helps bone to grow, aids night vision, forms cells on skin and internal lining
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What can a vitamin A deficiency cause?
Dry skin, slow growth in children, impaired vision, blindness
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Where is vitamin D stored?
Fatty tissues of the body and liver
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What is vitamin D also known as?
Calciferol, ergocalciferol, cholecalciferol
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What are the sources of vitamin D?
Food produced under the skin by sunlight, fatty fish, eggs
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What are most breakfast cereals fortified with?
Vitamin D
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What is the stability of vitamin D?
Fat soluble, stable in heat, doesn't leak into water when cooking
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What are the functions of vitamin D?
Aids calcium absorption
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What can a vitamin D deficiency cause?
Rickets
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Card 2

Front

What is the stability of vitamin K?

Back

fat soluble and therefore stable when heated

Card 3

Front

What are the functions of vitamin K?

Back

Preview of the front of card 3

Card 4

Front

What are the deficiency's of vitamin K?

Back

Preview of the front of card 4

Card 5

Front

Why is vitamin B also known as vitamin B complex?

Back

Preview of the front of card 5
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