Food additives | DermNet NZ
The main food additives. 1. To prevent food spoilage and maintain freshness. Antioxidants: these prevent or delay the rancidity of fats by retarding the process of oxidation due to oxygen in the air. Many crude fats and oils contain antioxidants naturally. Antioxidants also prevent enzyme browning which causes the discolouration of fruit, vegetable and fruit juices.
