Carbohydrates

Question 1

What is the function of carbohydrates?

Answer 1

Provides the body with energy (1g provides 3.75kcal)
Has a protein sparing affect, so that protein is used for growth and repair rather than energy
Provides fibre to aid digestion and prevent bowel disorders

Question 2

What are the sources of starchy and sugary carbohydrates?

Answer 2

Starchy - cereals, grains, pasta, rice, potatoes
Sugary - table sugar, sweets, cakes, biscuits, honey, fruit juice

Question 3

What is the protein sparing effect of carbohydrate?

Answer 3

This is where the protein is used for growth and repair rather than energy

Question 4

What is the percentage of dietary energy that should be provided by carbohydrate

Answer 4

About 50% dietary energy should come from carbohydrates

Question 5

Why should we try to reduce the consumption of free sugars

Answer 5

Reduces risk of obesity
Reduces risk of dental caries
Reduces the risk of type 2 diabetes later in life

Question 6

Explain two differences between starches and sugars

Answer 6

Starches - slow release of energy, keeps blood sugar levels constant
Sugars-quick burst of energy, raises blood sugar levels quickly