Source:http://linkedlifedata.com/resource/pubmed/id/10721089
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2000-5-9
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pubmed:abstractText |
Recently, 5-hydroxy-L-tryptophan (5-OHTrp) has been promoted as an alternative to banned L-tryptophan as a dietary supplement. It has been claimed to help alleviate obesity, insomnia, depression, and headaches. However, eosinophilia-myalgia syndrome (EMS)-like symptoms have also been associated with ingestion or exposure to 5-OHTrp. HPLC-UV analysis of EMS-implicated 5-OHTrp revealed the presence of peak X, described as case-implicated. We show that peak X is actually a family of contaminants with the same molecular weight (234 Da) and similar HPLC retention times. We also demonstrate that all eight samples of commercially available 5-OHTrp analyzed by HPLC-MS contained three or more contaminants of the peak X family. The significance of these findings is discussed.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0065-2598
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
467
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
461-8
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:10721089-5-Hydroxytryptophan,
pubmed-meshheading:10721089-Chromatography, High Pressure Liquid,
pubmed-meshheading:10721089-Dietary Supplements,
pubmed-meshheading:10721089-Drug Contamination,
pubmed-meshheading:10721089-Eosinophilia-Myalgia Syndrome,
pubmed-meshheading:10721089-Humans,
pubmed-meshheading:10721089-Mass Spectrometry,
pubmed-meshheading:10721089-Reproducibility of Results
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pubmed:year |
1999
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pubmed:articleTitle |
Eosinophilia-myalgia syndrome case-associated contaminants in commercially available 5-hydroxytryptophan.
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pubmed:affiliation |
Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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