Vitamin b Flashcards
What is the 4 properties of vitamin B12
Water soluble
Insoluble in fat
Destroyed by strong acids alkali and light
Heat stable but some loss during cooking
Wha is 4 food sources of Vitamin B12
Offal
Eggs
Milk
Meat
What is 3 function of vitamin B12
Aids formation orders blood cells
AIDS metabolism of folate/folic acid
Aids metabolism of fatty acids to release energy
The effects of deficiency of vitamin B12
Tiredness and irritability due to a lack of energy
Increased risk of neural tube defects in the foetus
Pernicious anaemia due to low levels of red blood cells that are needed to transport oxygen
What are the properties of vitamin B1
Water soluble
Insolvable in fat
Destroyed by high temperatures alkalis and light
The functions of vitamin B1
Aids the metabolism of carbohydrates and fats to release energy
Aids the correct functioning and maintenance of nerves
AIDS the growth and development of children
Effects of Deficiency of vitamin B1
Tiredness and irritability due To a lack of energy
Severe : result in beri beri a serious nerve disease
Stunted or delayed growth in children leaving them smaller in height that the average their age
Properties of vitamin b2
Water soluble Insoluble in fat Unstable at high temperatures Destroyed by alkalis Sensible to lights
Functions of vitamin B2
AIDS the metabolism of carbohydrates protein and fats to relate energy
Maintains healthy mucous membrane if the body
Aids growth and development of children
Properties of vitamin B3
Water soluble
Insoluble in fat
Stable to acids and alkalis
Heat stable
Vitamin B3 food sources
Meat and offal
Bread
Nuts also produces in the intestine by the amino acid tryptophan
Functions of vitamin b3
Aids the metabolism of carbohydrates to release energy
Heβs
Helps maintain healthy skin
Supports healthy nerve activity
Effects of deficiency of vitamin B3
Tiredness and irritability due to a lack of energy
Pellagra: symptoms include depression diarrhoea dementia death
Delayed nerve impulses leading to cognitive impairment e.g memory loss
Functions of vitamin b6
Supports healthy nerve activity
AIDS the metabolism of carbohydrates protein and fats to release energy
Relieve symptoms of pmt and nausea in early pregnancy