Food Preparation and Nutrition GCSE
Chemical Oxidation
What Chemical Oxidation means in Food Preparation and Nutrition GCSE, as defined for AQA.
Definition of Chemical Oxidation
The impact of atmospheric oxygen on lipid-rich foods. This involves the development of oxidative rancidity, resulting in the formation of aldehydes and ketones which produce characteristic 'paint-like' or 'cardboard' off-flavors.
Topics that use Chemical Oxidation
- Food safety (AQA GCSE)
Related terms
- Blanching
- Cross-contamination
- Cross-Contamination Vectors
- Culinary Traditions and Recipe Modification
- Danger Zone
- Denaturation
- Enzymatic Degradation
- Enzymatic Hydrolysis
Using Chemical Oxidation in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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