At a lower dose (40 mg/plate),SPG can inhibit the mutation effect of Aflatoxin B-1(AFB-1) when SPG and AFB-1 were added into the reaction system simultaneously.

• 结果表明 :SPG在较低浓度 (40mg 皿 )即可通过抑制AFB1对TA98的致突变作用 ,使突变菌落数明显减少 ;