This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and Health, Subject name: Social & Preventive Medicine
[{'content': 'All are Essential fatty acids EXCEPT \nSelect and explain. \nA. Linoleic acid, B. Linolenic acid, C. Arachidonic acid, D. Glutamic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]