Sample Prep
Take 300-500 g representative sample, grind until ≥90% passes through 20-mesh sieve.
Weigh 5.00±0.05 g sample into a 50 mL centrifuge tube, add 25 mL of 50% ethanol-water extraction solution, vortex vigorously at 2600-2800 rpm for 3 min, then immediately pour into a 2 mL centrifuge tube.
Centrifuge in a palm centrifuge for 2 min.
Collect supernatant for dilution; mix the sample diluent thoroughly.
Transfer 500 μL of sample diluent into a 2 mL centrifuge tube, add 100 μL of diluent, mix and centrifuge for 1 min before testing. (Check if supernatant is clear; extend centrifugation if impurities are present.)
注 2: Note: Due to highly uneven mycotoxin distribution in samples, proportionally increasing sample and extraction volumes improves repeatability. We offer three sample prep solutions for sample sizes of 5 g, 10 g, and 20 g.