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| Figure 2: The presence of aflatoxin B1 (AFB1) in Aspergillus flavus isolates tested in the present study was determined using culture assays as described in Materials and Methods. Secretion of yellow pigment into the medium was observed on PDA plates by both clinical and non-clinical isolates (A). Ammonium hydroxide vapour-induced colour change was observed in both clinical and nonclinical isolates of A. flavus (B). |
