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.

AnalytesRetention 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-AHD3.37248.9134.0106/17/10178.1106/21/8104.0106/27/8
2-NP-AOZ3.57236.0134.1116/17/8149.0116/19/12104.0116/33/12
2-NP-AMOZ1.95334.7291.296/17/8262.196/23/10128.196/27/10
2-NP-SEM3.23209.0166.110/13/8134.066/15/8192.066/17/8
2-NP-13C15N2·SEM3.22211.6168.056/15/8
2-NP-13C3-AHD3.37252.0179.161/21/6
2-NP-AOZ-d43.55240.0134.0111/17/10
2-NP-AMOZ-d51.93340.0296.246/17/14

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.