Proteins Flashcards
What are roles of protein?
- makes the body grow
- maintains the body
- gives a bit of energy
What is protein made up of?
Amino acids
What are amino acids made up of?
Peptides (polypeptide chain)
What are the 4 stages of folding in protein molecules?
Primary, secondary, tertiary, quaternary
Name an essential amino acid (9)
Leucine, isoleucine, valine, threonine, methionine, phenylalanine, tryptophan, lysine, histidine
Name a non-essential amino acid (11)
Alanine, glutamine, arginine, glycine, aspartame acid, proline, asparagine, serine, cysteine, tyrosine, glutamic acid
What is an LBV protein?
Low Biological Value protein - lacks an essential amino acid - found in plants
What is a HBV protein?
High Biological Value protein - provides ALL essential amino acids - found in meat, poultry, milk, cheese and soya beans
Give an example of protein complementation
LBV + LBV = HBV
Beans on Toast
Peanut butter on Wholewheat bread
What is a novel source of protein?
Protein that is suitable for vegetarians - Soya, Miso, Tofu, Mycoprotein
Where is ovalbumin found?
Egg white - protein
Where is gluten found?
Wheat - protein
Where is collagen found?
Meat - protein
Where is caseinogen found?
Cheese - protein
Where is Lactoglobulin found?
Milk - protein
