Table 4.
Cross activity of AFB1 and analogues by indirected competitive ELISA1)

Analogues	Cross reactivity (%)2)
Aflatoxin B1	100
Aflatoxin B2	-
Aflatoxin G1	23
Aflatoxin G2	16
Aflatoxin M1	-
Aflatoxin M2	-
Sterigmatocystin	-

Represents means of three duplicate trials.
Defined as a ratio of the amounts of aflatoxin B1 required to give 50% inhibition of maximal binding to the amount of test compound able to do the same (expresses as a percentage).