Vitamin B1 (thiamine)

Question 1

List the properties of vitamin B1 (thiamine)

6

Answer 1

Water soluble

Insoluble in fat

70% lost during milling

Destroyed by high temperatures

Destroyed by alkalis

Destroyed by light

Question 2

What destroys vitamin B1 (thiamine)?

4

Answer 2

High temperatures

Alkalis

Light

To some degree milling (70% is lost)

Question 3

List the sources of vitamin B1 (thiamine)

6

Answer 3

Wholegrain cereals 
Fortified breakfast cereals
Eggs 
Meat 
Milk 
Offal

Question 4

List an alternative source of vitamin B1 (thiamine) other than food

Answer 4

A small amount is synthesised by bacteria in the large intestine

Question 5

List the functions of vitaminB1 (thiamine)

4

Answer 5

Aids the metabolism of carbohydrates and fats to release energy

Aids the correct functioning and maintenance of nerves

Makes HCL in the stomach

Aids the growth and development of children

Question 6

List the effects of a deficiency of vitamin B1 (thiamine)

3

Answer 6

Tiredness and irritability due to a lack of energy

Beri beri

Stunted or delayed growth

Question 7

What is beri beri?

Answer 7

A serious nerve disease that causes muscular pain, paralysis and death as a result of a severe deficiency of vitamin B1