Aspergillus vericolor가 생산하는 sterigmatocystin에 대한 항체생산

The Production of Antibody Against Sterigmatocystin Produced by Aspergillus vericolor

In order to establish the enzyme linked immunosorbent assay(ELISA) of sterigmatocystin produced by Aspergillus versicolor, we experimented and obtained following results. Two of three rabbits which had been immunized with sterigmatocystin-hemiacetal-BSA produced antibodies against sterigmatocystin at 15 weeks. The produced antibodies were specific for sterigmatocystin and sterigmatocystin-hemiacetal but didn't cross react with other sterigmatocystin analogues in a significant degree. DMF : 4% KC1 (18 : 2) mixed solution was most effective to dissolve sterigmatocystin. For the preparation of sample solution to determine sterigmatocystin by ELISA, sample was extracted with CHC13 and dried, than the dried sample was redissolved with 100 ${mu}ell$ DMF + 4% KC1 mixture. 10~1,000 ng/$m\ell$ level of standard sterigmatocystin could be applied to the established ELISA. When artifically contaminated rice were assayed by the ELISA, the average recovery of sterigmatocystin spiked to 25~500 ng/g was 109% (97~116%), and mean interwell coefficient of variation was 21% (11~28%).