Fig. 7

HPLC of Aflatoxin; A HPLC of standard of Aflatoxin B1 (40 ppb); B HPLC for control for A. flavus (without any melanin) (18.2 PPb) at retention time (11.6) which was the same of standard C HPLC for sample (with melanin) (0.43 ppb) at retention time (11.6) which was the same of standard