Figure 4From: Mutagenicity of Chinese traditional medicine Semen Armeniacae amarum by two modified Ames tests Mutagenicity of SAA for strain TA98 using the second modified Ames test. Positive control of TA100 was 0.5 μg ml-1 NaN3, of TA98 was 0.5 μg ml-1 2-AF.Back to article page