*4.1. Chemicals and Reagents*

HPLC grade acetonitrile, methanol, water and formic acid were purchased from Fisher Scientific. Japanese aflatoxin mixture (25 µg/mL) from Sigma-Aldrich; deoxynivalenol (25 µg/mL), nivalenol (25 µg/mL), zearalenone (10 µg/mL), ochratoxin A (10 µg/mL) from Romer Labs; diacetoxyscirpenol (100 µg/mL), T-2 toxin (100 µg/mL), HT-2 toxin (100 µg/mL), fumonisin B1 (100 µg/mL), fumonisin B2 (100 µg/mL), and fumonisin B3 (100 µg/mL) from Trilogy. QuEChERS EN extraction salts and Captiva EMR-Lipid cartridge were acquired from Agilent (CA, USA).
