Essential fatty acid
fatty acids that humans and other animals must ingest because the body requires them for good health but cannot synthesize them
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Essential fatty acids, or EFAs, are fatty acids that humans and other animals must eat. The body needs them for good health but cannot make them.[1]
Only two fatty acids are needed for humans.[2] When the two EFAs were discovered in 1923, they were called "vitamin F", but in 1929, research on rats showed that the two EFAs are fats rather than vitamins.[3]
Some other fatty acids are "conditionally essential", meaning that they may become essential under some circumstances.
References
change- ↑ Robert S. Goodhart and Maurice E. Shils (1980). Modern nutrition in health and disease (6th ed.). Philadelphia: Lea and Febinger. pp. 134–138. ISBN 0-8121-0645-8.
- ↑ alpha-linolenic acid (an omega-3 fatty acid) and linoleic acid (an omega-6 fatty acid) Whitney Ellie and Rolfes SR (2008). Understanding nutrition (11th ed.). California: Thomson Wadsworth. p. 154.
- ↑ Burr G.O; Burr M.M. and Miller E. (1930). "On the nature and role of the fatty acids essential in nutrition". J. Biol. Chem. 86 (587): 587–621. doi:10.1016/S0021-9258(20)78929-5.
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