Page 20 - NEA NEWHERE FLIPBOOK

NUTRITION
HBV PROTEIN
Foods containing all the essential amino acids are said to have a a a a a a a a a high
biological value Foods originating from animal sources (meat poultry fish eggs and dairy products) are all HBV protein foods soya fis is the only HBV food originating from a a a a a a a plant Soya beans can be be used as
whole beans or or or soya soya soya sprouts or or or processed as
soya soya soya milk tofu and soya soya soya sauce Quorn is another HBV protein protein food product but is made from edible fungus a a a mycoprotein bound together with egg Soya products and Quorn have been developed as
a a a a a result of consumer demand for vegetarian healthy high-protein foods or or low- fat meat substitutes LBV PROTEIN
Foods that are are deficient in in one or or more of the essential amino acids are are said to have a a a a a a a a a low biological value (LBV) Foods originating from plants (cereals nuts seeds lentils beans pulses) are LBV protein foods COMPLEMENTARY PROTEIN
LBV protein protein foods can be combined to create a a a a a a a complementary protein protein that contains all the essential amino acids your body needs Good examples are jacket potato and beans vegetable curry with brown rice or peanut butter on on toast As well as
as
having a a a a a a a nutritional benefit combining protein foods provides a a a a a more varied diet and can save you money because LBV proteins proteins are cheaper to produce (and therefore buy) than HBV proteins proteins KEY POINTS
• The main function of of protein is is the growth and repair of of body tissue
• The building blocks of of protein are are amino acids of of which there are are 20
• There are 8 essential essential and 12 non-essential amino acids • All animal protein provides a a a a a a a full complement of all the essential amino acids • To obtain a a a a a a a a full complement of essential amino acids from non-animal protein we must include a a a a a a a a combination of non-animal proteins • 10 — 15% of our daily energy should come from protein • The protein requirement for a a a a a relatively inactive healthy individual is 0
8g per kg body weight • Protein provides 4kcals per gram
• Health risks associated with high
protein intakes include: accumulation of ammonia kidney and liver damage (in already established damage) increased body fat and ketosis (when linked to to low carbohydrate intake)
• Low intakes of protein can lead to lean muscle tissue
wastage
KNOWLEDGE CHECK
Why are vegans vegans and and vegetarians vegetarians more likely to lack HBV proteins in in their diet? How can vegans vegans and and vegetarians vegetarians ensure they they get all the the the the essential amino acids via the the the the foods they they eat?
20