Nutrition Flashcards
Protein is made up of four elements
Carbon
Hydrogen
Oxygen
Nitrogen
What is protein made up of ?
Protein is made up of a chain of smaller units called amino acids.Amino acids are linked together by peptide links.
What are the two types of protein ?
HBV and LBV
Sources of protein
Meat
Eggs
Milk
Soya beans
Meat alternatives
Functions of protein
1.Protein is needed for the growth and repair of all body cells.
2.It produces heat and energy.
3.A person needs 1g of protein per 1kg of body weight.
Composition of carbohydrates
Carbon
Hydrogen
Oxygen
Classification of carbohydrates
Sugar
Starch
Dietary fibre
Sources of carbohydrates
Sugar:Honey,fruits,sweets,soft drinks
Starch:Bread,pasta,flour,potatoes
Dietary fibre:Whole cereals,wholemeal bread,fruit and vegetables
Protein deficiency symptoms
Slow healing of wounds
Poor general health
Hair breakage and loss of
Functions of carbohydrates
Carbohydrates supply most of the body’s heat and energy.
Excess carbohydrates are stored as fat.
What does BMK stand for
Bare Metal Kernal
What is the meaning of energy balance
The sate at which the number of calories eaten equals the number of calories used.
What is the definition of empty-kilocal
If a food does not contain nutrients the nutrients found in the food is a source.
Factors affecting energy requirements
Physical activity
Age
Growth
