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phenylalanine

[ fen-l-al-uh-neen, -nin, feen- ]

noun

, Biochemistry.
  1. a crystalline, water-soluble, essential amino acid, C 6 H 5 CH 2 CH(NH 2 )COOH, necessary to the nutrition of humans and most animals, obtained chiefly from egg white or skim milk. : Phe; : F

phenylalanine

/ ˌfiːnaɪlˈæləˌniːn; ˌfɛnɪl- /

noun

  1. an aromatic essential amino acid; a component of proteins
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

phenylalanine

/ fĕn′əl-ăl′ə-nēn′ /

  1. An essential amino acid. Chemical formula: C 9 H 11 NO 2 .
  2. See more at amino acid
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Word History and Origins

Origin of phenylalanine1

First recorded in 1880–85; phenyl + alanine

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phenylacetic acidphenylamine

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