Prostaglandins are obtained from:-
NOTE:-Arachidonic Acid is a 20 carbon fatty acid. No.of double bonds in Arachidonic acid =4 Key points to Remember Linoleic Acid- Most essential Fatty Acid. Richest source of linoleic Acid - Safflower oil. Richest source of Arachidonic Acid - Safflower oil. Richest source of Linolenic Acid - Flaxseed oil.
Stearic acid
Arachidonic acid
Linoleic acid
Linolenic acid
Histamine, 5-HT and PGs