tryptophan(redirected from Tryptafan)
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tryp·to·phan(trĭp′tə-făn′) also tryp·to·phane (-fān′)
An essential amino acid, C11H12N2O2, formed from proteins during digestion by the action of proteolytic enzymes. It is necessary for normal growth and development and is the precursor of several substances, including serotonin and niacin.
[trypt(ic), of trypsin (formed on the model of pepsin, peptic); see trypsin + -phan(e).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) an essential amino acid; a component of proteins necessary for growth
[C20: from trypsin + -phan from Greek phainō appear]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an essential amino acid, (C8H6N)CH2CH(NH2)COOH, released from proteins by the enzyme trypsin during digestion. Abbr: Trp;Symbol: W
[< German (1890), =trypto- (representing Greek trīptós rubbed; see trypsin) + -phan < Greek phaínein to show]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An essential amino acid. See more at amino acid.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||tryptophan - an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin|
essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. triptófano, aminoácido cristalino presente en las proteínas, esencial a la vida animal.
English-Spanish Medical Dictionary © Farlex 2012
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.