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. 2019 Oct 11;27(8):1210–1215. doi: 10.1016/j.jsps.2019.10.004

Fig. 4.

Fig. 4

Protective effect of AS-BF on super coiled DNA nicking caused by hydroxyl radicals. Lane (1) native pBR322 DNA; Lane (2) DNA + Fenton’s reagent; Lane (3) DNA + Fenton’s reagent + Catalase (5 units); Lane (4) – (10) DNA + Fenton’s reagent + AS-BF extract (5–25 µg/ml) and Lane (11) DNA + Fenton’s reagent + Quercetin (50 µM).