Share LC Proteins
Save to Folder
What is the elemental Composition of Protein?
Carbon, Oxygen, Hydrogen and Nitrogen
When drawing the structure of protein what does R stand for?
A variable group, changes with each amino acid
Name 3 essential amino acids
Valine, Lysine, Leucine
Name 3 non-essential amino acids
Alanine, Aspartic Acid, Serine
What reaction occurs when two amino acids join together?
Condensation reaction
Name the conjugated proteins
Lipoproteins and Phosphoproteins
Name some plant sources of protein
Beans, nuts, lentils, peas and cereals
Name a protein found in eggs
Ovalbumin, vitellin and livetin
Name a protein found in meat
Collagen, actin, elastin, myosin, globulin
Name a protein found in wheat
Gluten
Name a protein found in meat bones
Gelatine
Name an example of dish that has complimentary proteins
Beans on toast, hummus and pitta, lentil dahl and naan
What are the causes of denaturation of protein
Heat, chemicals, ,mechanical action, enzymes
Explain foam formation
When an egg is whisked, protein chains unfold and air bubbles form. The protein chains entrap air, creating a foam. Temporary and Permanent foam
Explain Maillard Reaction
Non-enzymatic browning of food due to a reaction between certain amino acids and sugars under dry heat. Produces a nice colour and crust e.g. roast meat
What is the RDA of protein for teenagers?
60-80g
