Table 2. Mycotoxin production of fungal isolates from stored peanuts

Species Mycotoxins1) Number of positive (%) Min Max Mean±SD2)
A. flavus (n=41) AFB1 41 (100%) 0.02 1,179.91 289.28±443.06
AFB2 22 (53.7%) 0.16 186.32 53.03±57.75
AFG1 10 (24.4%) 0.01 355.83 36.80±106.36
AFG2 2 (4.9%) 0.62 0.81 0.72±0.10
AFs 41 (100%) 0.61 1,213.60 326.74±441.94
A. parasiticus (n=4) AFB1 4 (100%) 367.46 953.70 554.83±232.97
AFB2 -3) - - -
AFG1 4 (100%) 71.64 195.61 137.17±47.76
AFG2 - - - -
AFs 4 (100%) 504.59 1,149.32 692.00±265.38
A. westerdijkiae (n=4) OTA 4 (100%) 39.35 237.20 99.65±79.91
A. niger (n=12) OTA - - - -
FB1 - - - -
FB2 1 (8.3%) - 13.70 13.70
A. tubingensis (n=7) OTA - - - -
FB1 - - - -
FB2 1 (14.3%) - 5.13 5.13
A. welwitschiae (n=17) OTA - - - -
FB1 - - - -
FB2 4 (23.5%) 0.27 8.98 3.89±3.72
P. expansum (n=4) PAT 4 (100%) 4.40 803.76 387.26±383.22
A. ochraceus (n=1) OTA - - - -
P. crustosum (n=19) PAT - - - -
P. polonicum (n=20) OTA - - - -
PAT - - - -
AFB1, B2, G1 and G2, aflatoxin B1, B2, G1 and G2; AFs, sum of AFB1, B2, G1 and G2; OTA, ochratoxin A; PAT, patulin; FB1 and FB2, fumonisin B1 and B2.
AFs and OTA, μg/kg; PAT and FB1 and FB2, mg/kg.
-, not detected.