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Table 4 Antibacterial activities of ethanol extracts of valonia and shell from Q. variabilis

From: Chemical composition, antibacterial activity and related mechanism of valonia and shell from Quercus variabilis Blume (Fagaceae) against Salmonella paratyphi a and Staphylococcus aureus

Microorganisms Inhibition zone (mm)
Valonia Shell Punica granatum Chloramphenicol DMSO
S. aureus 10.89 ± 0.12a 8.99 ± 0.22a 10.22 ± 0.18a 24.83 ± 0.61a
S. paratyphi A 12.37 ± 0.36a 9.62 ± 0.16a 10.30 ± 0.21a 29.96 ± 0.01a
S. typhimurium 10.32 ± 0.33a 8.69 ± 0.12a 9.95 ± 0.19a 27.10 ± 0.74a
S. enteritidis 9.52 ± 0.28a 8.56 ± 0.07a 9.35 ± 0.25a 33.96 ± 0.62a
L. monocytogenes 9.36 ± 0.32a 8.88 ± 0.08a 10.83 ± 0.17a 26.36 ± 0.85a
  1. Each value represented in tables are means ± SD (n = 3). acorrelation is significant at the 0.01 level compared with the negative control (DMSO).