Preservatives

Salt - retards bacterial growth on cheese and butter

Nitrites and nitrates of sodium and potassium - adds to flavour, maintains pink color in cured meats, and prevents botulism in canned foods

Sulphur dioxide and sulphites - used as bleaches and antioxidants to prevent browning in alcoholic beverages, fruit juices, dried fruits and vegetables and to prevent yeast growth

Benzoic acid and sodium benzoate - in oyster sauce, fish sauce, ketchup, non-a alcoholic beverages, fruit juices, margarine, salads, jams and pickled products

Propionic acid and propionates - in bread, chocolate products, cheese

Sorbic acid and sorbates - prevent mould formation in cheese and flour confectioneries

 

 

Food additives 

Preservatives |Antioxidants |Flavoring agents 

Sweeteners |Emulsifiers, stabilisers and thickeners |Leavening agents 

Anticaking agents |Humectants |Coloring agents 

Bleaches |Acids, bases and buffers |Nutrients