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Title: High-performance liquid chromatography of aflatoxins in human urine
Authors: Tongtavuch Anukarahanonta
Chutima Chudhabuddhi
Mahidol University
Keywords: Chemistry
Issue Date: 1-Jan-1983
Citation: Journal of Chromatography B: Biomedical Sciences and Applications. Vol.275, No.C (1983), 387-393
Abstract: A method was developed for the extraction and determination of unconjugated aflatoxins in human urine by high-performance liquid chromatography. The analysis is based on the elimination of lipid-soluble constituents other than unconjugated aflatoxins in urine by light petroleum extraction. The unconjugated aflatoxins were subsequently extracted from the aqueous phase with chloroform-acetone. Chromatography was performed isocratically with a silica column at 40°C. The resolved aflatoxins were detected and identified by ultraviolet and fluorometric detectors. The recoveries of aflatoxins B1and G1added prior to the extraction were 72% and 83%, respectively. This procedure is simple, sensitive and practically useful for epidemiological survey of unconjugated aflatoxins in human urine from areas with a high risk of aflatoxin consumption. © 1983.
ISSN: 03784347
Appears in Collections:Scopus 1969-1990

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