Acids, bases and buffers

Citric acid and lactic acid - in beverages and dressings 

 

Sodium hydrogencarbonate - in tinned custard 

 

 

Food additives 

Preservatives |Antioxidants |Flavoring agents 

Sweeteners |Emulsifiers, stabilisers and thickeners |Leavening agents 

Anticaking agents |Humectants |Coloring agents 

Bleaches |Acids, bases and buffers |Nutrients