Table 3.
Frequency of occurrence of mold isolate in batches A, B, and C in market and freshly processed samples of yam (Dioscorea rotundata) chips, flakes, and flour.
| Fungal Isolate | Frequency of Occurrence (%) in Market Samples (N = 16/batch) | Frequency of Occurrence (%) in Freshly Processed Samples (N = 5/batch) | ||||
|---|---|---|---|---|---|---|
| Batch A | Batch B | Batch C | Batch A | Batch B | Batch C | |
| Aspergillus flavus | 12.5 | - | 62.5 | 40 | 20 | - |
| Aspergillus niger | 93.75 | 56.25 | 56.25 | 100 | 80 | 80 |
| Aspergilus spp. | 68.75 | - | - | 60 | 60 | 40 |
| Aspergillus fumigatus | 37.5 | 31.25 | 12.5 | - | - | 20 |
| Penicillium verricosum | - | 6.25 | 6.25 | 20 | - | - |
| Penicillium marneffei | - | 6.25 | 6.25 | - | - | - |
| Penicillium spp. | 87.5 | 25 | 18.75 | 60 | 20 | 20 |
| Mucor spp. | - | 25 | 25 | - | - | 20 |
| Fusarium spp. | 25 | 62.5 | 62.5 | 20 | - | 40 |
| Alternaria | 31.25 | - | - | 20 | 20 | - |
N = total number of samples analyzed for each batch. Note: - = not isolated.