Fig. 8. The inhibition zone analysis samples with resveratrol were on the left, and the controls with methanol were on the right. (A) Escherichia coli, the DIZ values was 14.12 ± 0.61 nm (B) Staphylococcus aureus, the DIZ values was 13.82 ± 0.65 nm (C) Bacillus subtilis, the DIZ values was 13.42 ± 0.59 nm.