To study the rancidity of oils.

Rancidity in oils is a significant concern in the field of food chemistry and nutrition as it affects both the quality and safety of food products. Rancidity refers to the process by which oils and fats degrade, leading to the development of unpleasant odors, flavors, and potentially harmful compounds. This degradation occurs due to chemical reactions involving oxygen, moisture, light, or microbial activity. Understanding the mechanism, types, and prevention of rancidity is crucial for maintaining the nutritional value and sensory properties of edible oils.

There are primarily three types of rancidity: oxidative rancidity, hydrolytic rancidity, and microbial rancidity. Among these, oxidative rancidity is the most common and occurs when unsaturated fatty acids in oils react with atmospheric oxygen. This reaction produces peroxides and secondary oxidation ___ ________ _______ _______ _______ ________ _________ _______ ____ ___.
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