Nutrients Flashcards
(28 cards)
What are carbohydrates
An energy source made by plants during photosynthesis
What are carbohydrates functions
Energy source and protein sporer
What have higher intakes of free sugar been linked to
Obesity and tooth decay
What are single sugars called
Monosaccharides
What are double sugars called
Disaccharides
What are sugars the simplest form of
Carbohydrates
Name 5 free sugars
Castor. Granulated. Treacle. Golden syrup. Demerara. Icing sugar.
What are the two different types of nutrients
Macronutrients and micronutrients
What are the three macronutrients essential for health
Carbohydrate and protien and fat
What are the two types of micronutrients
Vitamins and minerals
What is protein needed for
Growth of body cells and tissue
repair and maintenance of all body tissue providing a secondary source of energy
What is a protein made of
A long chain of amino acids
What are essential amino acids
Amino acids that can only be obtained from food
What does lbv mean
Low biological value which means they like one of the essential amino acids
What are lbv protein supplied by
Buy plant foods beans pulses nuts seeds Cereals
What happens when two lbv proteins are eaten together
The food becomes higher in biological value and examples of this are beans on toast… Hummus and pita bread… rice and peas
What is kwashiorkor
Deficiency disease caused by lack of protein symptoms include
poor growth rates
hair loss
and infections
What happens if you don’t use extra protein that’s been consumed
It will be stored as fat which can lead to weight gain
Name the two complex carbohydrates
Fibre and starches
What are free sugars
Sugars that are added to food or found outside the cell structure
Where does 50% of total food energy come from
Carbohydrates and no more than 5% from free sugars
Name three free sugars
Corn sugar/ dextrose / fructose /glucose / maltose/ molasses / invert sugar
What does soluble fibre do
Keeps you full up
What does insoluble fibre do
Helps you go to the toilet
