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Table 3 Inhibition zone diameters of E. coli and S. aureus

From: Analysis of the chemical composition and biological activity of secondary residues of Turkish Gall treated by semi-bionic technology

Bacteria

Working Solution

Secondary Residues of Turkish Gall

Penicillin sodium 0.25 mg/mL

2 g/mL

1 g/mL

0.5 g/mL

E. coli

Water

8.13 ± 0.32 g

11.37 ± 0.40

Hydrochloric acid buffer

11.20 ± 1.41ef

8.03 ± 1.31 g

Phosphate buffer

Artificial intestinal solution

S. aureus

Water

19.40 ± 1.06a

16.53 ± 0.65b

14.07 ± 0.70 cd

14.77 ± 0.50

Hydrochloric acid buffer

15.63 ± 0.59bc

12.33 ± 0.31de

9.93 ± 0.15 fg

Phosphate buffer

Artificial intestinal solution

  1. The diameter of the inhibition zone includes the diameter of the punched hole (6.0 mm). Different letters (a, b, c, d, e, f, g) indicate significant differences (p < 0.05, Tukey test). – no inhibition zone formed