Question
Asked Feb 12, 2020
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What are the health effects of omega-3 fatty acids? List three conditions and explain how omega-3 fatty acids can help to improve these conditions to another classmate.

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Expert Answer

Step 1
  • Omega-3 fatty acids are polyunsaturated fatty acids as they contain multiple double bonds. Their double bond is located three carbon atoms away from the methyl group present at the terminus. The nutritionally important omega-3 fatty acids are docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and alpha-linolenic acid (ALA). They are found in walnut, flaxseeds, fish oil, algal oil, soybean, and canola oil.
  • These fatty acids are essential as they cannot be synthesized in the human body. Our cellular system lacks the proper enzymatic machinery to add a double bond between C3 and C4 of fatty acids. Therefore, these fatty acids are derived from food sources.
Step 2

Omega-3-fatty acids are found in the phospholipids that compose the plasma membrane of cells. DHA is present in a high amount in retina, sperm, and brain, therefore, the intake of DHA can improve eyesight and cognit...

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