Catfish processing (Pangasius hypophthalmus) produces byproducts of belly fat containing unsaturated fatty acids, polyunsaturated fatty acids (PUFAs) consisting of linoleic, linolenic, EPA, and DHA are the essential fatty acids the body needs to maintain health. Utilizing belly fat catfish can be processed into crude fish oil. Raw fish oil is purified to increase its economic value. Purificatio…