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. 2022 Apr 15;11(8):1085. doi: 10.3390/plants11081085

Table 3.

Inhibition zones of the plant extracts and AgNPs against Gram-positive and Gram-negative bacteria strains (p > 0.05).

Bacterial Strains Inhibition Zone ± SD, mm:
E. globulus S. officinalis EuG-AgNPs SaO-AgNPs
Gram-positive S. aureus 14.4 ± 0.01 d 17.9 ± 0.20 c 20.0 ± 0.10 b 24.4 ± 0.05 a
B. cereus 13.2 ± 0.05 d 15.7 ± 0.70 c 20.4 ± 0.08 b 24.0 ± 0.10 a
P. vulgaris 14.7 ± 0.10 c 13.2 ± 0.55 d 18.2 ± 0.09 b 20.0 ± 0.22 a
B. subtilis 14.0 ± 0.01 c 13.1 ± 0.01 d 20.0 ± 0.20 a 18.8 ± 0.18 b
Gram-negative E. coli 14.0 ± 0.02 c 13.9 ± 0.01 d 19.0 ± 0.01 b 22.4 ± 0.03 a
P. aeruginosa 13.8 ± 0.01 c 13.0 ± 0.10 d 20.1 ± 0.03 b 20.9 ± 0.27 a
K. pneumoniae 13.6 ± 0.04 c 13.2 ± 0.25 d 21.5 ± 0.01 b 23.0 ± 0.14 a
P. mirabilis 12.5 ± 0.08 d 12.8 ± 0.10 c 19.7 ± 0.10 b 20.7 ± 0.40 a

The different superscript letters in the same line indicate statistically significant differences between Gram-positive and Gram-negative bacteria strains of plant extracts (p < 0.05).