a The titers of supernatants were defined as the reciprocal of the dilution that gave an absorbance closest to 1.0. b ZEA was prepared by diluting the standard solution with PBS, mixed with equivalent
a The titers of supernatants were defined as the reciprocal of the dilution that gave an absorbance closest to 1.0.b ZEA was prepared by diluting the standard solution with PBS, mixed with equivalent