Question

A farmer storing sunflower oil for an extended period notices that the oil has developed an unpleasant, off-putting odour and taste over time, a quality deterioration commonly referred to in food science as rancidity. This particular deterioration in the oil's quality is primarily the result of which underlying chemical process taking place within the oil?

A Fermentation
B Hydrolysis
C Polymerization
D Saponification
E Oxidation
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