Compound No. Absorbance of samples Ascorbic-acid 0.097 8a 0.145 8b 0.098 8c 0.126 8d 0.138 8e 0.140 9a 0.082 9b 0.089 11 0.093 12 0.099

Table 2: Bleomycin dependent-DNA damage of the investigated compounds.