Linked from
The 9 pages that link to Lipid oxidation, each with the reason it gives.
RoastingRelated: Prolonged heat exposure can oxidize fats in meat, nuts, and cooking oils.
Cooking oilRelated: Oxygen, light, and heat gradually degrade stored and heated oils.
GheeRelated: Exposure to heat, air, and light can eventually degrade stored ghee.
Food chemistryRelated: It is a major cause of flavor deterioration in foods rich in fats.
Corn oilRelated: Corn oil’s polyunsaturated fats make oxidation and storage stability relevant.
Dried fishRelated: Drying does not stop oxidation, which can make fatty fish rancid during storage.