[A polyunsaturated essential fatty acid found mostly in plant oils. It is used in the biosynthesis of prostaglandins and cell membranes. ( NCI )] (UMLS (NCI) C0023749) =Lipid; Pharmacologic Substance; Biologically Active Substance =Linoleic Acids; Inactive Ingredient Preparations =Lecithin 420 MG Oral Capsule