<prompt> All are Essential fatty acids EXCEPTLinoleic acidLinolenic acidArachidonic acidGlutamic acid  <response>: Ans. d Glutamic acidRef: K. Park 23rd ed. 609-10 Essential fatty acid are Linoleic Acid: most essential fatty acid Linolenic Acid Arachidonic acid Eicosapentanoic acid DHA Richest source of essential fatty acid: Safflower oil Richest source of saturated fatty acid: coconut oil Richest source of MUFA: groundnut oil. 