the relative cross-reactivity of each toxin ( relative to afm1 ) with amw-1 , as determined by the amount of aflatoxin necessary to cause 50 % inhibition of enzyme activity , was 12 , greater than 40 , 12 , and greater than 40 for b1 , b2 , g1 , and g2 , respectively .
C0085181
afm1
C0001734
aflatoxin