Nut type Aflatoxin Kruskal-Wallis statistical value Significance Significant difference
Walnut AFB1 34.90 ˂0.05 Yes
AFB2 27.41 ˂0.05 Yes
AFG1 39.34 ˂0.05 Yes
AFG2 21.50 0.16 No
AFt 24.35 0.08 No
Pecan AFB1 24.24 0.06 No
AFB2 31.84 ˂0.05 Yes
AFG1 38.48 ˂0.05 Yes
AFG2 12.61 0.63 No
AFt 18.86 0.22 No
Cashew AFB1 14.59 0.56 No
AFB2 31.38 ˂0.05 Yes
AFG1 42.80 ˂0.05 Yes
AFG2 7.68 0.96 No
AFt 17.97 0.33 No
Table 3. Kruskal-Wallis test applied to find significant differences between source boroughs of the samples.