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Aflatoxin B1 production by Aspergillus section Flavi strains isolated from brewer's grain.
| Sampling (days) | Positive strains* | % | Aflatoxin B1 (μg g−1) † | |
|---|---|---|---|---|
| Range | Mean level ± SD‡ | |||
| 0 | 50/56 | 89.3 | 0.6–26.5 | 5.0 ± 3.6 |
| 7 | 61/80 | 76.3 | 0.2–32.1 | 4.9 ± 3.7 |
*Number of producer strains versus total strains.
†Minor and major levels of AFB1.
‡Mean level of AFB1 ± standard deviation (SD).
