Research Article
Development and Validation of a LC-MS/MS Method for the Determination of Nitrofuran Metabolites in Soft-Shell Turtle Powder Health Food Supplement
Table 1
Mass spectrometry parameters for the optimal operational analysis of the derivatized NF metabolites.
| | Analytes | Retention time (min) | Precursor ion (m/z) | Product 1 ion (m/z) | DP/CE/CXP (eV) | Product 2 ion (m/z) | DP/CE/CXP (eV) | Product 3 ion (m/z) | DP/CE/CXP (eV) |
| | 2-NP-AHD | 3.37 | 248.9 | 134.0 | 106/17/10 | 178.1 | 106/21/8 | 104.0 | 106/27/8 | | 2-NP-AOZ | 3.57 | 236.0 | 134.1 | 116/17/8 | 149.0 | 116/19/12 | 104.0 | 116/33/12 | | 2-NP-AMOZ | 1.95 | 334.7 | 291.2 | 96/17/8 | 262.1 | 96/23/10 | 128.1 | 96/27/10 | | 2-NP-SEM | 3.23 | 209.0 | 166.1 | 10/13/8 | 134.0 | 66/15/8 | 192.0 | 66/17/8 | | 2-NP-13C15N2·SEM | 3.22 | 211.6 | 168.0 | 56/15/8 | ㅡ | ㅡ | ㅡ | ㅡ | | 2-NP-13C3-AHD | 3.37 | 252.0 | 179.1 | 61/21/6 | ㅡ | ㅡ | ㅡ | ㅡ | | 2-NP-AOZ-d4 | 3.55 | 240.0 | 134.0 | 111/17/10 | ㅡ | ㅡ | ㅡ | ㅡ | | 2-NP-AMOZ-d5 | 1.93 | 340.0 | 296.2 | 46/17/14 | ㅡ | ㅡ | ㅡ | ㅡ |
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RT: retention time (min); DP: declustering potential (electron volt); CE: collision energy (electron volt); CXP: collision cell exit potential (electron volt). Transitions for quantifier peaks. |