Degradation of aflatoxin B₁ in peanut meal by electron beam irradiation

Figures & data

Figure 1. Degradation curve of AFB₁ at different initial concentrations in the peanut meal.

Figure 2. Degradation curve of AFB₁ at different moisture contents in the peanut meal.

Table 1. Parametric equations of AFB₁ degradation at different initial concentrations in the peanut meal.

Initial concentration (mg/kg)/moisture content (%)	Parametric equation	A	B	R^2
0.5 mg/kg	Ct/C0 = e^-(0.00181+0.00094×Dose)	0.00181	0.00094	0.97532
1.0 mg/kg	Ct/C0 = e^-(0.02438+0.00117×Dose)	0.02438	0.00117	0.97998
5.0 mg/kg	Ct/C0 = e^-(0.07485+0.00149×Dose)	0.07485	0.00149	0.95652
8.74%	Ct/C0 = e^-(0.02438+0.00117×Dose)	0.02438	0.00117	0.97998
14.32%	Ct/C0 = e^-(0.03735+0.00307×Dose)	0.03735	0.00307	0.96772
21.47%	Ct/C0 = e^-(0.05894+0.00458×Dose)	0.05894	0.00458	0.95358

Figure 3. Kinetics of AFB₁ at different initial AFB₁ and moisture content in the peanut meal.

Figure 4. UPLC chromatograms of the AFB₁ degraded products in the peanut meal.

Figure 5. The proposed degradation pathway of AFB₁ in the peanut meal.

Figure 6. Revertant of Salmonella trphimurium tester strains TA98(A) and TA100(B) of AFB₁ and the degradation in the peanut meal. *p < 0.05, **p < 0.001 versus AFB₁.

Figure 7. Effect of AFB₁ concentration and its degraded products in the peanut meal on the viability of HepG2 cells. *p < 0.05, **p < 0.01 versus medium; ⁺p < 0.01, ⁺⁺p < 0.001 versus AFB₁-treated cells.