Topic summary
Polyunsaturated fats
Extracted from the Wikipedia article Polyunsaturated fat.
Some polyunsaturated fatty acids – alpha-linolenic acid and linoleic acid – are called "essential" because they cannot be synthesized by humans and must be obtained from the diet. Polyunsaturated fatty acids are precursors to and are derived from polyunsaturated fats, which include drying oils.