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New HPLC method to determine ethyl carbamate in alcoholic beverages using fluorescence detection

Title
New HPLC method to determine ethyl carbamate in alcoholic beverages using fluorescence detection
Type
Article in International Scientific Journal
Year
2002
Authors
P. Herbert
(Author)
Other
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L. Santos
(Author)
FEUP
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Margarida M. S. M. Bastos
(Author)
FEUP
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P. Barros
(Author)
Other
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Journal
Vol. 67 No. 5
Pages: 1616-1620
ISSN: 0022-1147
Publisher: Wiley-Blackwell
Indexing
Scientific classification
FOS: Agrarian Sciences > Other Agrarian Sciences
Other information
Authenticus ID: P-000-P6Q
Abstract (EN): A new methodology to the quantification of ethyl carbamate (EC) has been developed. This method allows the analysis by HPLC of ethyl carbarnate in samples of wine, fortified wine, and wine brandy, by a precolumn derivatization with 9-xanthydrol, and fluorescence detection. This does not require previous sample extraction or concentration. The method presents an average recovery of 96% among samples studied, a detection limit of 4.2 mug/L, and an average intermediate precision of 6.3%. The comparison of the results obtained for EC analysis on the same wine brandy samples by GC/MS and HPLC are statistically indistinguishable with 97.5% probability. The results of the analysis of 42 samples are presented.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 5
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