Among vegetables, lower and higher levels of
LOD for nitrate were observed for tomato (0.20 mg 100 g1) and
cucumber (1.02 mg 100 g1), respectively. LOD levels of nitrate and
nitrite for meats and processed meats were 0.34–0.51 mg 100 g1
and 0.24–0.26 mg 100 g1.