tryptophan

[ trip-tuh-fan ]

/ ˈtrɪp təˌfæn /

noun Biochemistry.

an essential amino acid, (C8H6N)CH2CH(NH2)COOH, colorless, crystalline, and aromatic, released from proteins by tryptic digestion and a precursor of serotonin. Abbreviation: Trp; Symbol: W

Also tryp·to·phane

[trip-tuh-feyn]. /ˈtrɪp təˌfeɪn/.

Origin of tryptophan

1900–05; trypto- (irregular combining form representing Greek trīptós “rubbed”) + -phan(e)

Words nearby tryptophan

trypophobia, trypsin, trypsinogen, tryptamine, tryptic, tryptophan, tryptophan 2,3-dioxygenase, tryptophanase, tryptophanuria, trysail, trysail mast

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for tryptophan

Spaghetti squash also contains specific nutrients that help convert the tryptophan in other foods you eat into serotonin.
6 Healthy Foods to Fight the Flu, Beat Stress and More|DailyBurn|February 5, 2014|DAILY BEAST
So tryptophan at pretty big doses is a routine part of being a human on planet Earth.
Eat Turkey All You Want! It’s Not Going to Put You to Sleep|Kent Sepkowitz|November 22, 2012|DAILY BEAST
Probably not—the tryptophan story provides us with the perfect cover for the real reason we so love the holiday.
Eat Turkey All You Want! It’s Not Going to Put You to Sleep|Kent Sepkowitz|November 22, 2012|DAILY BEAST
The premise is this: turkey is chock-full of a soporific essential amino acid, tryptophan, one of the 22 essential amino acids.
Eat Turkey All You Want! It’s Not Going to Put You to Sleep|Kent Sepkowitz|November 22, 2012|DAILY BEAST

Kent Sepkowitz explains why the ‘the tryptophan in turkey means sleep’ trope persists, despite multiple debunkings.
Eat Turkey All You Want! It’s Not Going to Put You to Sleep|Kent Sepkowitz|November 22, 2012|DAILY BEAST
Trypsin: solution of small shreds of fresh fibrin in neutral and alkaline media, and tryptophan test.
The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2|Various
A test for the production of tryptophan was reported positive.
The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2|Various

British Dictionary definitions for tryptophan

tryptophan

/ (ˈtrɪptəˌfæn) /

noun

an essential amino acid; a component of proteins necessary for growth

Word Origin for tryptophan

C20: from trypt (ic) + -o + -phan variant of -phane

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

Medical definitions for tryptophan

tryptophan

[ trĭp′tə-făn′ ]

n.

An essential amino acid formed from proteins during the digestive process by the action of proteolytic enzymes.

Scientific definitions for tryptophan

tryptophan

[ trĭp′tə-făn′ ]

An essential amino acid. Chemical formula: C11H12N2O2. See more at amino acid.

单词	tryptophan
释义	tryptophan [ trip-tuh-fan ] / ˈtrɪp təˌfæn / noun Biochemistry. an essential amino acid, (C8H6N)CH2CH(NH2)COOH, colorless, crystalline, and aromatic, released from proteins by tryptic digestion and a precursor of serotonin. Abbreviation: Trp; Symbol: W Also tryp·to·phane [trip-tuh-feyn]. /ˈtrɪp təˌfeɪn/. Origin of tryptophan 1900–05; trypto- (irregular combining form representing Greek trīptós “rubbed”) + -phan(e) Words nearby tryptophan trypophobia, trypsin, trypsinogen, tryptamine, tryptic, tryptophan, tryptophan 2,3-dioxygenase, tryptophanase, tryptophanuria, trysail, trysail mast Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for tryptophan Spaghetti squash also contains specific nutrients that help convert the tryptophan in other foods you eat into serotonin. 6 Healthy Foods to Fight the Flu, Beat Stress and More\|DailyBurn\|February 5, 2014\|DAILY BEAST So tryptophan at pretty big doses is a routine part of being a human on planet Earth. Eat Turkey All You Want! It’s Not Going to Put You to Sleep\|Kent Sepkowitz\|November 22, 2012\|DAILY BEAST Probably not—the tryptophan story provides us with the perfect cover for the real reason we so love the holiday. Eat Turkey All You Want! It’s Not Going to Put You to Sleep\|Kent Sepkowitz\|November 22, 2012\|DAILY BEAST The premise is this: turkey is chock-full of a soporific essential amino acid, tryptophan, one of the 22 essential amino acids. Eat Turkey All You Want! It’s Not Going to Put You to Sleep\|Kent Sepkowitz\|November 22, 2012\|DAILY BEAST Kent Sepkowitz explains why the ‘the tryptophan in turkey means sleep’ trope persists, despite multiple debunkings. Eat Turkey All You Want! It’s Not Going to Put You to Sleep\|Kent Sepkowitz\|November 22, 2012\|DAILY BEAST Trypsin: solution of small shreds of fresh fibrin in neutral and alkaline media, and tryptophan test. The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2\|Various A test for the production of tryptophan was reported positive. The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2\|Various British Dictionary definitions for tryptophan tryptophan / (ˈtrɪptəˌfæn) / noun an essential amino acid; a component of proteins necessary for growth Word Origin for tryptophan C20: from trypt (ic) + -o + -phan variant of -phane 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 Medical definitions for tryptophan tryptophan [ trĭp′tə-făn′ ] n. An essential amino acid formed from proteins during the digestive process by the action of proteolytic enzymes. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for tryptophan tryptophan [ trĭp′tə-făn′ ] An essential amino acid. Chemical formula: C11H12N2O2. See more at amino acid. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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