This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which of the following oils has the highest content of linoleic acid? 
Select and explain. 
A. Sunflower oil, B. Soyabean oil, C. Safflower oil, D. Corn oil
C: Safflower oil
Answer: C: Safflower oil 
Explanation: Linoleic and linolenic acid are known as essential fatty acids (EFA) as they cannot be synthesized by the body and must be obtained from dietary sources. EFA lowers the levels of LDL cholesterol and triglycerides in the body and has a protective effect against cardiovascular diseases. It raises levels of protective HDL cholesterol also. TYPE OF OIL LINOLEIC ACID CONTENT(%) Safflower oil 73 Corn oil 57 Sunflower oil 56 Soyabean oil 51 Groundnut oil 39 Mustard oil 15 Coconut oil 2 Ref: Park 21st Edition, Page 564