3.2.1.3 Carbohydrates Flashcards
What is a function of carbohydrates?
Provides us with 50% of our daily energy intake.
Helps get rid of solid waste.
How much of our daily energy intake should come from carbohdyrates?
50%
State three sources of carbohydrates.
Fruits, vegetables, milk, cereals, sweets, pasta, bread, cake, pastries, nuts, seeds, fizzy drinks, biscuits, rice, lentils, milkshakes etc…
State an effect of having an excess of carbohydrates in the diet.
Obesity (if we do not burn off enough energy). Damage to the pancreas. This reduces the amount of insulin in our bodies and can lead to type 2 diabetes. Tooth decay (from eating too many sugary foods).
State an effect of having a deficiency of carbohydrates in the diet.
Tiredness.
The body will become weaker as it will start to break down protein to obtain energy.
How many teaspoons should the average adult have per day as a maximum?
6 teaspoons.
How many sugar molecules are in a monosaccharide?
1 sugar molecule
How many sugar molecules are in a disaccharide?
2 sugar molecules
How many sugar molecules are in a polysaccharide?
3+ sugar molecules
Is starch a monosaccharide, disaccharide or polysaccharide?
Polysaccharide
Is sugar a monosaccharide, disaccharide or polysaccharide?
Sugar can either be a monosaccharide or disaccharide.
Which type of carbohydrate gives us slow release energy?
Starch
Which type of carbohydrate can the body not break down?
Dietary fibre
Dietary fibre can be referred to as NSP. What does NSP stand for?
Non-starch polysaccharide
What is meant by a free sugar?
A sugar which is added to food.