Rancidification is the process of complete or incomplete oxidation or hydrolysis of fats and oils when exposed to air, light, or moisture or by bacterial action, resulting in unpleasant taste and odor. ... When these processes occur in food, undesirable odors and flavors can result.

How do you explain rancidity?

The term 'rancidity' refers to a condition in which food has become undesirable. It is often used to describe the oxygen content of oils. It's a term used to describe the oxygen damage in food.

How does oxidative rancidity occur?

Oxidative rancidity, known as autoxidation, occurs when oxygen is absorbed from the environment. In the presence of oxygen and/or ultraviolet (UV) radiation, most lipids will break down and degrade, forming several other compounds.