Protein

Protein

• 17% of the body is made of protein
• Made up of several molecules- carbon, hydrogen, oxygen, nitrogen
• They're arranged into units known as amino acids
• These are joined together by peptide links
• Essential constituent of all cells: hair, nails, organs and blood cells
• Excess protein consumed is converted into energy
• The body cant store protein therefore if it isn't burnt off it will turn into fat

Sources

• Meat and meat products
• Cereal and cereal products
• Milk and milk products
• Egg and egg dishes
• Fish and fish dishes
• Other foods
• Vegetables
• Potatoes and savoury snacks

Biological Value of Protein

• Amino acids are building blocks of protein
• Approxamately 22 different types
• Essential amino acids
• Non essential amino acids

Complementary Proteins

• Biological value=measure of the protein quality
• Low biolgocial Value=…