Vitamins Flashcards
Vitamin A (Retinol):
What sort of vitamin is it? (SOLUBLE)
Sources (4)
Deficiency symptoms (3)
What does retinol allow you to produce?
Excess symptoms (3) What should pregnant women not eat?
Fat soluble
Cheese, oily fish, fortified margarine. eggs.
Poor dim light vision - night blindness - total blindness
Visual purple
Toxic. Birth defects, miscarriage, still birth
Liver
Vitamin A (Carotene):
What sort of vitamin is it? (SOLUBLE)
What does it do?
Deficiency symptoms? (2)
What can it be converted into?
Excess?
Sources? (3)
Fat soluble
Antioxodant. Prevents free radical damage.
Increased risk of CHD & Cancer
Retinol equivalent
None
Carrots, broccoli, nectarines
Vitamin D:
What sort of vitamin is it? (SOLUBLE)
What does it do?
Sources? (4)
Deficiency? Symptoms?
Excess?
Fat soluble
Help absorb and deposit calcium
Sunlight, oily fish, eggs, fortified margarine.
Rickets/osteomalacia. Bone pain & weak bones
Weak bones, kidney & gall stones
Vitamin B1:
What sort of vitamin is it? (SOLUBLE)
What does it do? (3)
Sources? (4)
Deficiency Symptoms (3)
Excess?
Water soluble
Release carbohydrate energy. Growth. Maintain nerves.
Fortified cereals, meat, potatoes, pulses.
Tiredness & lethargy. Stunted growth.
Removed in urine
Vitamin B12:
What sort of vitamin is it? (SOLUBLE)
What does it do?
Sources (4)
Deficiency & symptoms (4)
Excess?
Water soluble
Forms healthy red blood cells
Fortified cereals, milks, eggs & liver (animal foods)
Pernicious anaemia.
Tiredness, breathlessness, pale skin, listlessness.
Removed in urine
What is folate found in?
What is folic acid found in?
Food
Supplement
Folate/Folic Acid:
What does it do? (3)
Sources (4)
Deficiency symptoms (3) Excess?
In pregnancy, when do you take it?
Normal growth. Form red blood cells. No spina bifida.
Fortified cereals, pulses, oranges, dairy.
Stunted growth. Megaloblastic anaemia. Spina bifida.
None
400 ug folic acid 3 months before conception and 3 into pregnancy
Vitamin C:
What sort of vitamin is it? (SOLUBLE)
What does it do? (4)
Sources (4)
Deficiency (2) & symptoms (2 each)
Excess (2)
Water soluble
Absorb non-haem iron. Healthy connective tissue. Antioxidant. Anti-infective.
Red peppers, citrus, kiwi, broccoli.
Iron deficiency anaemia (Tired, susceptible to colds)
Scurvy (bleeding gums, wounds not healing)
Diarrhoea & intestinal cramps