Biological value of protein Flashcards
Give some animal sources of protein
Meat Fish Eggs Milk Cheese
Give some plant sources of protein
Beans Nuts Lentils Peas Cereals
What is biological value of a protein?
A measure of the protein quality in a food
It is displayed as a percentage
It is determined by the number of essential amino acids a food contains in proportion to the needs of the body
How is biological value displayed?
As a percentage
How is biological value determined?
By the number of essential amino acids a food contains in proportion to the needs of the body
What does 100% biological value mean?
This means the food contains all the essential amino acids in proportion to the needs of the body
What are the two classifications of protein foods?
High biological value (HBV)
Low biological value (LBV)
What are high biological value proteins also called?
Complete proteins
What are low biological value proteins also called?
Incomplete proteins
What is a complete protein?
A high biological value protein
What is an incomplete protein?
A low biological value protein
What is a HBV protein?
One that contains all essential amino acids
What are the main sources of HBV proteins?
6
Animal sources and soya beans Eggs Milk Meat Fish Cheese Soya beans
What is a LBV protein?
One that lacks one or more of the essential amino acids
What are the main sources of LBV protein?
4
Plant sources and meat bones Rice Wheat Maize Meat bones