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http://hdl.handle.net/1942/3422
Title: | beta-agonists in animal feed .3. Optimization of the clean-up and the end-determination step | Authors: | LEYSSENS, Luc Courtheyn, D Schilt, R Berthoz, Y. Moermans, R. Boenke, A |
Issue Date: | 1996 | Publisher: | TAYLOR & FRANCIS LTD | Source: | FOOD ADDITIVES AND CONTAMINANTS, 13(7). p. 795-810 | Abstract: | This study represents the second part of an interlaboratory study intended to develop an official modular Community confirmatory method for the detection of beta-agonists in animal feed. Homogeneous pools of primary extracts were prepared by means of an extraction module based on the conclusions of a previous part of this work. The primary extracts were further processed by four laboratories each using a different clean-up scheme. The final extracts thus obtained were cross-distributed between the same laboratories and measured either by GCMS or HPLC. Two laboratories (B and D) applied separate clean-up schemes for clenbuterol and salbutamol. All clean-up schemes for clenbuterol were found to be compatible with all end-determination steps. In contrast, for salbutamol clean-up method D was found not to be compatible with the end-determination steps applied by laboratories B and C. The results of this study have clearly demonstrated that the clean-up methods for both clenbuterol and salbutamol applied by laboratory B yielded superior recoveries with an acceptable standard deviation. Therefore, in conclusion to this study, the participating laboratories recommend the clean-up schemes applied by laboratory B to serve as part of the official Community confirmatory method. | Notes: | Leyssens, L, DR L WILLEMS INST,UNIV CAMPUS,B-3590 DIEPENBEEK,BELGIUM. | Keywords: | beta(2)-agonist; clenbuterol; salbutamol; residues; animal feedingstuffs; gas chromatography mass spectrometry; high-pressure liquid-chromatography; reference methods | Document URI: | http://hdl.handle.net/1942/3422 | ISI #: | A1996VH92300006 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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