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Figure 3: Surfactin hemolysis assay. (A) HC50 of surfactin C-15 was estimated 47 μM; (B) the macroscopic figure of surfactin C-15 hemolysis assay in (a) negative control, (b) 20 μM, (c) 40 μM, (d) 60 μM, (e) 80 μM, and (f) positive control.