Proteins

-Proteins-

Functions

· Build up, repair and replace body tissues

· Assist building process of red blood cells

· Used as energy

· Can make antibodies and haemoglobin

Chemistry

· Made up of amino acids (22 different acids)

· 8 essential amino acids (cannot be made in the body)

· Contain carbon, hydrogen, oxygen and nitrogen

Sources of protein

HBV

· Supply all essential amino acids

· Often in animal produce – eggs, meat, fish, dairy etc

· Soya beans

· Quorn – meat alternative (myco-protein)

LBV

· Vegetable sources (cereals, nuts, beans, pulses etc)

· Not all essential amino acids present

· Mixed together with other foods – provides all