Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. http://www.myoilpress.com/oil-press-machine-by-raw-materials/soybean-oil-press-machine.htmlAll Rights Reserved