Table 1.
Analytical conditions of LC-MS/MS for T-2 and HT-2 toxins

LC Parameters Conditions
Column Phenomenex Phenylhexyl (100 2.1 mm, 3.5 μm)
Mobile phase (A) 1% Acetic acid in water, (B) Methanol

A: 95% (0-2 min)→ 5% (2-10 min) → 95% (10-15 min)

B: 5% (0-2 min)→ 95% (2-10 min) → 5% (10-15 min)

Flow rate 0.4 mL/min
Injection volume 5 μL
Column temperature 35°C
MS/MS Mode ESI (Electro-Spray Ionization), MRM (Positive)
Spray voltage 4.0 kV
Sheath gas 40
Aux gas 15
Capillary temp. 270°C
Collision pressure 1.5
Compounds MRM transition Tube lens (V) Collision (V)
T-2 toxin

489.157→ 245.0 (Quantitation ion)

489.157→ 387.0 (Qualification ion)

168

27

22

HT-2 toxin

447.101→ 285.0 (Quantitation ion)

447.102→ 345.0 (Qualification ion)

180

18

22