A rapid supercritical fluid extraction method for the detection of 2-alkylcyclobutanones in gamma irradiated beef and chicken

Tewfik, Ihab and Ismail, H. and Sumar, S. (1998) A rapid supercritical fluid extraction method for the detection of 2-alkylcyclobutanones in gamma irradiated beef and chicken. Lebensmittel-Wissenschaft und-Technologie = Journal of Food Sciences and Technology, 31 (4). pp. 366-370. ISSN 0022-1155

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Official URL: http://dx.doi.org/10.1006/fstl.1998.0371

Abstract

2-alkylcyclobutanones have been successfully used as chemical markers for irradiated foods. Unfortunately, most sample preparation, and isolation methods for these markers from their food matrices involve a long and very tedious clean-up regimen prior to analysis. A simple and rapid method for the isolation of these markers using carbon dioxide as a supercritical fluid is described for beef and chicken samples irradiated up to 8 kGy. Significant levels of both 2-dodecylcyclobutanone (2-DCB) and 2-tetradecylcyclobutanone (2-TCB) were extracted from all irradiated samples using carbon dioxide as a supercritical fluid, the method is proposed as an alternative to the florisil chromatography method currently in use.

Item Type: Article
Subjects: University of Westminster > Science and Technology > Life Sciences, School of (No longer in use)
Depositing User: Miss Nina Watts
Date Deposited: 04 Feb 2010 11:39
Last Modified: 04 Feb 2010 11:39
URI: http://westminsterresearch.wmin.ac.uk/id/eprint/7500

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