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| Titel: |
Determination of chloramphenicol in shrimp by liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS-MS) |
| Auteur: |
Tyagi, A. Vernekar, P. Karunasagar, Iddya Karunasagar, Indrani |
| Verschenen in: |
Food additives and contaminants. Pt. A, Chemistry, analysis, control, exposure & risk assessment |
| Paginering: | Jaargang 25 (2008) nr. 4 pagina's 432-437 |
| Jaar: |
2008-04 |
| Inhoud: |
A liquid chromatographic method with electrospray ionization tandem mass spectrometric (LC-ESI-MS-MS) detection and identification is described for the determination of chloramphenicol (CAP) in shrimp tissue. Homogenized shrimp samples were extracted by liquid-liquid extraction using ethyl acetate. d5-Chloramphenicol (5D-CAP) was used as the internal standard. Data acquisition was in negative-ion multiple reaction monitoring (NMRM) mode using three transition reactions for CAP (m/z 321 → 152, m/z 321 → 257 and m/z 321 → 194) and two for d5-chloramphenicol (m/z 326 → 262 and m/z 326 → 157). Method validation was carried out according to European Commission decision 2002/657/EC. The calibration curve was linear in the range 0.10-2.00 µg l-1, with typical r2 > 0.99. The decision limit (CCα) and detection capability (CCβ) were 0.06 and 0.10 µg kg-1, respectively. There was no influence of the matrix on the determination of chloramphenicol. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 14 gevonden artikelen
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