Harm caused by edible oil rancidity

Edible oil rancidity body will bring big harm. For example, the loss of a large number of unsaturated fatty acids; many intermediate products of oxidation - into the body of free radicals damage the body's tissues and cells, thereby causing chronic diseases and aging effects, and even cancer; long-term consumption of rancidity of fats, can lead to a lack of essential fatty acid and a series of symptoms; when processing rancid cooking oil, other foods can also unstable to oxygen vitamin destruction.