1.

What are synthetic antioxidants? Give an example.

Answer»

Synthetic antioxidant:

  • Synthetic antioxidants are chemicals that are synthesized in the laboratory and used as a substitute for natural antioxidants. 
  • They delay the onset of oxidant or slow down the rate of oxidation of foodstuff. 
  • They are added as additives to increase the shelf life of packed foods. 
  • Common structural units found in synthetic antioxidants are phenolic -OH group and tertiary butyl group. e.g. BHT, which is 3,5-di-tert-butyl-4- hydroxytoluene.


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