Food Additives
vinegar
maintains an acidic environment
prevent the growth of micro-organism
e.g.: vegetables
salt
removes moisture on the surface of dried food
micro-organisms cannot growth
e.g.: fish, meat
sodium nitrite / nitrate
prevents bacterial growth
matain the orginal colour of meat
e.g.: sausages, bacon, ham
sugar
removes water from the cells of micro-organisms
inhibits their growth
e.g.: dried fruits, jam, jelly
sorbic acid
prevents mould formation
e.g.: cheese, flour, bread, cakes