Vitamin B2 (riboflavin)

Question 1

List the properties of vitamin B2 (riboflavin)

5

Answer 1

Water soluble

Insoluble in fat

Unstable at high temperatures

Destroyed by alkalis

Sensitive to light

Question 2

List the sources of vitamin B2

Answer 2

Fortified breakfast cereals 
Meat 
Offal 
Milk 
Eggs 
Yeast extract e.g. marmite

Question 3

List the functions of vitamin B2 (riboflavin)

4

Answer 3

Aids the metabolism of carbohydrates, protein and fats to release energy

Maintains healthy mucous membranes of the body e.g. eyes and mouth

Aids growth and development

Healthy hair, skin and eyes

Question 4

List the effects of deficiency of vitamin B2 (riboflavin)

6

Answer 4

Tiredness and irritability due to a lack of energy

A swollen, red tongue,

Sore and cracked lips

Dry eyes

Stunted or delayed growth in children

Dermatitis which is a skin rash