Essential fatty acid

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Essential fatty acids (EFAs) are needed for healthy functioning but cannot be made from other molecules in the body (many other nutrients can be built out of other molecules). However, they can usually be supplied through the diet.

Essential fatty acids have double bonds between adjacent carbon atoms :C=C: which are destroyed during hydrogenation, so hydrogenated oils lack important EFAs. Animal fats naturally are low in such bonds and also lack important EFAs. Fats with fewer of these specific bonds tend to be more solid at room temperature (they stack more closely because the double bonds make the structure more irregular, and less or no double bonds make the structure more regular so the molecules fit more closely together). [1][2][3][4]

Essential fatty acids are important for skin integrity, blood clotting, maintaining cell membranes, the brain and nerves, and immune function, and healing wounds, as well as providing materials to build other needed nutrients. (1-4)

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References[edit | edit source]

  1. Holum, John R. Fundamentals of General, Organic, and Biological Chemistry. Fifth Edition. New York: 1994, John Wiley & Sons, Inc. p. 786
  2. Martin, Laura J. "Dietary Fats Explained." Medline Plus. Review Date 8/22/2016. (Ed) David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
  3. Morley, John B. "Essential Fatty Acid Deficiency." Merck Manual, Professional Version. Last full review/revision October 2016.
  4. Lou, Stephanie. "Fatty Acids." HOPES (Huntington's Outreach Project for Education, at Stanford). Accessed 8/17/2017.

cell membrane - A very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and controls the passage of substances into and out of the cell.

α - Greek letter alpha or alfa (symbol)

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From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.