From:  Evaluation of aflatoxin B1 (AFB1) contamination levels in corn and corn-growing soils from the leading corn-producing districts of Sri Lanka

 AFB1 recovery results in spiked corn and soil samples (n = 2).

Sample typeSpiked level (ppb)Mean recovered AFB1 ± SD (ppb)Recovery (%) ± SD (ppb)
Corn107.394 ± 0.40173.938 ± 0.401
1512.302 ± 2.51982.016 ± 2.519
2016.454 ± 1.06782.268 ± 1.067
Soil108.285 ± 1.17282.846 ± 1.172
1514.858 ± 1.37599.053 ± 1.375
2018.033 ± 1.01990.167 ± 1.019

AFB1: aflatoxin B1; ppb: parts per billion.