The stream of hydrogen blown through the hot oil converts the linoleic acid to oleic and then the oleic into stearic.
"Creative Chemistry" by Edwin E. Slosson
It contains glycerides of linoleic and especially palmitic acid.
"Paint Technology and Tests" by Henry A. Gardner
Fat is an essential nutrient that provides energy (nine calories per gram), Vitamin E and two essential fatty acids: linoleic acid (omega-6) and alpha-linolenic acid (omega-3).
Conjugated linoleic acid is one fatty acid we would do well to become reacquainted with.