A rapid determination of histamine and 3-methylhistamine in human plasma by high performance liquid chromatography

Histamine plays an important pathophysiological role in allergy, inflammation, gastric acid secretion, microcirculation and neurotransmission. 3-Methylhistamine is a prominent metabolite of histamine. Different methods for determination of histamine in biological fluids have been developed. In the p...

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Bibliographic Details
Published in:Toxicological and environmental chemistry 2008-07, Vol.90 (4), p.787-793
Main Authors: Ghandforoush-Sattari, Mohammadreza, Mashayekhi, Siminozar
Format: Article
Language:English
Subjects:
1-methylhistamine
3-methylhistamine
fluorescamine
histamine
HPLC
O-phthalaldehyde
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Summary:Histamine plays an important pathophysiological role in allergy, inflammation, gastric acid secretion, microcirculation and neurotransmission. 3-Methylhistamine is a prominent metabolite of histamine. Different methods for determination of histamine in biological fluids have been developed. In the present study, a simple, simultaneous determination of histamine and 3-methylhistamine by HPLC (precolumn derivatization with fluorescamine) was developed in human plasma using fluorescence detection with 1-methylhistamine as the internal standard. Linear regression analysis of the ratios of the concentrations of histamine and 3-methylhistamine (X) against peak height ratios (Y) yielded the following: y = 0.0073x − 0.0096 (R 2  = 0.990) and y = 0.0077x − 0.0111 (R 2  = 0.989). In conclusion, it was possible to detect histamine and 3-methylhistamine below 5 ng mL −1 in 1 mL plasma.
ISSN:0277-2248
1029-0486
DOI:10.1080/02772240701740288