Definition of autoxidation in English:

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Pronunciation: /ˌɔːtɒksɪˈdeɪʃ(ə)n/


[mass noun] Chemistry
Spontaneous oxidation of a substance at ambient temperatures in the presence of oxygen.
Example sentences
  • Many fatty foods are susceptible to autoxidation, involving the oxidation of lipid molecules to produce malodorous ketones, alcohols and acids that adversely affect the texture, flavour and taste of food.
  • It can also be formed by oxidative deoxyribose breakdown or autoxidation of sugars, such as glucose, and it plays a role in the pathophysiology of diabetes and ageing.
  • Lipid oxidation is a major cause of meat quality deterioration, as products of autoxidation of unsaturated fatty acids affect wholesomeness and nutritional value.



(also autoxidise) verb
Example sentences
  • Thus reaction further autoxidizes to produce free radicals, hydrogen peroxide and hydroxyl radicals.
  • However, the oxy complex has the potential to autoxidise to form the ferric haemoglobin.
  • In view of therapeutic strategies indole-type substances are to be preferred, as these are devoid of autoxidizing reactions as found with phenolic antioxidants like tocopherol.
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