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tryptophan
tryptophan
tryptophan (trip-tŏ-fan) n. an essential amino acid. See also
amino acid.
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Tryptophan: rip-off or remedy?
Newspaper article from: Nutrition Action Healthletter; 4/1/1988; ; 700+ words
; TRYPTOPHAN: RIP-OFF OR REMEDY? Having trouble sleeping...proponents, all you may need for quick relief is tryptophan, a "natural, hundred percent safe" amino acid. Like other amino acids, tryptophan does occur naturally in protein foods...
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Tryptophan properties in fluorescence and functional stability of plasminogen activator inhibitor 1
Magazine article from: Biophysical Journal; 7/1/2003; ; 700+ words
; ...1 harbors four tryptophans at positions 86...see Fig. 1). Tryptophan residue 86 is located...characterized 15 tryptophan mutants in which tryptophans have been replaced...importance of the tryptophan side chains on the...
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Tryptophan trips up. (dietary supplements ) (Cover Story)
Newspaper article from: Nutrition Action Healthletter; 10/1/1991; ; 700+ words
; ...used to purify the tryptophan. Because of one...changes, Showa Denko's tryptophan contained a compound...any other company's tryptophan. Referred to as Peak...consists largely of two tryptophans chemically stuck together...
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L-tryptophan.(Monograph)
Magazine article from: Alternative Medicine Review; 3/1/2006; 700+ words
; Introduction L-tryptophan (tryptophan; Trp) is a large neutral amino acid essential to human metabolism...niacin (vitamin B3). As a component of dietary protein, tryptophan is particularly plentiful in chocolate, oats, bananas, dried...
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Tryptophan fluorescence of yeast actin resolved via conserved mutations
Magazine article from: Biophysical Journal; 1/1/2001; ; 700+ words
; ...to the overall tryptophan fluorescence of...contributions of these tryptophans was found to account...transfer between tryptophan residues, via...of each of the tryptophans of actin to its...protein to specific tryptophans, conservative...at each of the tryptophan residues. Several...
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Tryptophan No Turkey in Boosting Immune System, Stanford Study Shows.
Business Wire; 11/3/2005; 700+ words
; STANFORD, Calif. -- Tryptophan is the source of Thanksgiving legend...breaks new ground on the effects of tryptophan -- an amino acid found in turkey...classic toy collection. The myth of tryptophan in turkey causing inordinate sleepiness...
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L-tryptophan and scleroderma: Significance of nutritional supplements containing L-tryptophan
Magazine article from: Journal of Postgraduate Medicine; 7/1/2008; ; 700+ words
; ...containing amino-acid components like L-tryptophan have been banned in some countries...like syndrome possibly linked to L-tryptophan containing pregnancy supplements. A...had amongst its constituent's L-tryptophan and l-phenylalanine (she was getting...
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Tryptophan can lower aggressive behavior.
Magazine article from: Feedstuffs; 2/27/2006; ; 700+ words
; TRYPTOPHAN is one of the essential amino acids in swine diets. Tryptophan is generally supplied in an adequate amount from...optimal performance. If the diet supplies excess tryptophan that is not used for the purpose of protein synthesis...
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Differences in tryptophan binding to hepatic nuclei of NZBWF1 and Swiss mice: Insight into mechanism of tryptophan's effects
Magazine article from: The Journal of Nutrition; 2/1/1997; ; 700+ words
; ...in NZBWF1 mice the affinity for L-tryptophan binding to hepatic nuclei in vitro is...Swiss mice. In vitro binding of [3H]tryptophan to hepatic nuclei from both strains...determined without and with unlabeled L-tryptophan(10^sup-4^ mol/L). The relative...
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Aggressive behavior and L-tryptophan.(Nutritional Influences on Illness)(Clinical report)
Magazine article from: Townsend Letter; 2/1/2009; ; 700+ words
; ...thereby promoting aggressive behavior. Tryptophan is the dietary precursor of serotonin...excessive alcohol intake and a low-tryptophan diet has been found to be associated...evidence suggest that the amount of tryptophan in the diet relates closely to aggressive...
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tryptophan
Book article from: The Columbia Encyclopedia, Sixth Edition
tryptophan , organic compound, one of the 20 amino...of the B complex, can be made from tryptophan in the body, but evidently the rate...supplied in the diet. Deficiency of tryptophan in the diet enhances the progress of...
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Serotonin
Encyclopedia entry from: International Encyclopedia of the Social Sciences
...of a chemical (actually, an enzyme) called tryptophan . This in turn rushes to the brain, where it...Vitamin C is required for the conversion of tryptophan into serotonin. Tryptophan is found in foods such as bananas, plums...
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eosinophilia myalgia syndrome
Book article from: A Dictionary of Food and Nutrition
...people using supplements of the amino acid tryptophan , as a result of which tryptophan supplements were withdrawn in most countries...or perhaps solely) with a single batch of tryptophan from one manufacturer, but doubts remain...
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niacin
Book article from: A Dictionary of Food and Nutrition
...formed in the body from the amino acid tryptophan ; on average 60 mg of dietary tryptophan is equivalent to 1 mg of preformed...niacin plus one‐sixtieth of the tryptophan. This means that most foods that are...
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amino acids
Book article from: A Dictionary of Food and Nutrition
...methionine, phenylalanine, threonine, tryptophan, and valine. In addition, arginine...Three, phenylalanine, tyrosine, and tryptophan, have aromatic side‐chains...isoleucine, phenylalanine, tyrosine, and tryptophan give rise to both ketogenic and glucogenic...
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