protein Flashcards
1
Q
Define amino acids
A
The smallest units of a protein
2
Q
Define essential amino acids
A
Amino acids that cannot be made by the body, so have to be provided through the food we eat
3
Q
Define food combining
A
Mixing different low biological value proteins to supply all the essential amino acids
4
Q
Define HBV proteins
A
Proteins that contain all the essential amino acids
5
Q
Define LBV proteins
A
Proteins that do not contain all the essential amino acids
6
Q
List 4 examples of HBV proteins
A
- meat
- fish
- poultry
- dairy
- soya
- tofu
- quorn
7
Q
List 4 examples of LBV proteins
A
- cereals
- peas
- beans
- pulses
- nuts
- seeds
8
Q
List 3 examples of vegetarian meals that combine LBV proteins
A
- beans on toast
- dhal and rice
- hummus and pitta bread
9
Q
State 3 functions of protein in the diet
A
- used for growth, especially in children and pregnant women
- used to repair body tissue after illness, accidents and surgery; renewal of cell proteins for people of all ages
- enzymes vital for metabolism are composed of proteins
- hormones, which regulate some important bodily functions, are also composed of protein
- proteins provide a secondary source of energy. When the body has used all the amino acids it needs for construction, the remainder are burnt for energy
10
Q
State 3 health problems of protein deficiency
A
- in children, growth slows down or stops
- digestive upsets are caused as enzymes are not produced
- the liver fails to functional normally
- muscles become weak, so limbs are thin and the tummy is soft and may look distended
11
Q
List 4 examples of animal sources of protein
A
- all meat (including poultry, offal and game)
- fish
- cheese
- milk
- eggs
- gelatine
12
Q
List 4 examples of vegetable sources of protein
A
- soya beans and soya products
- pulses and beans
- cereal grains and cereal products
- nuts
- quorn
