Nutrition Review Flashcards
What is the function of protein?
Growth and repair of the body cells.
Provides energy.
Growth and development.
Build and repair muscles.
What are some sources of protein?
LBV- Fortified cereals,nuts ,pulses
HBV-meat,cheese,eggs,milk
What is a high biological food?
If the food contains all the essential amino acids it is said to have a high biological value.
What is a low biological food?
If the does not contain all the essential amino acids it is said to have a low biological value.
What are some alternatives to protein?
Soya,mycoprotein, quinoa
What is a deficiency of protein?
Can delay growth in children.
Delay the healing of wounds.
Protein energy malnutrition occurs in developing countries and mainly affects young children.
What is excess of protein?
Can be harmful to kidneys and liver.
If we don’t use the protein we consume for energy it will be stored as excess fat
Functions of fat.
Warmth/insulation.
Protection of vital organs.
For energy.
Source of fat-soluble vitamins(A,D,E,K).
Source of essential fatty acids(omega 3 and 6).
How much energy does protein provide per gram?
4Kcal
How much energy per gram does fat provide?
9Kcal
What are some animal fat sources?
Butter,lard.
Beef,lamb,chicken,bacon.
Meat products like sausages.
Oily fish like tuna or salmon.
Eggs
What are some vegetable fat sources?
Vegetable and plant oils like olive and sunflower.
Avocados and olives.
Nuts and nut products like peanut butter.
Seeds like sesame seeds.
What is visible fat?
Example
Fat can be visible on some foods such as a fat layer on the outside of lamb or pork.
Sometimes you can see the fat inside meat as white marbling.
Steak,bacon
What is invisible fat?
Example
Some fats are invisible and cannot be seen easily because they have been used to make the product.
Crisps,biscuits and cakes contain invisible fat.
What can eating too much saturated fat do?
Can lead to obesity and coronary heart disease.
Foods that are high in saturated fat will contain cholesterol.
A combination of saturated fat and cholesterol can lead to a build-up of fatty deposits around the heart.