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Table. 1.

Table. 1.

Antibacterial activity of RLE against the tested bacteria compared with the positive control (gentamycin) and the negative control (distill water).

Tested bacteria Inhibition Zone (mm) MIC (mg/ml)

RLE + control - control
S. aureus 10.22 ± 0.02 27.2 ± 0.00 - 6.25
B. cereus 19.52 ± 0.07 27.25 ± 0.00 - 50
B. subtilis 11.23 ± 0.01 29.15 ± 0.00 - 12.5
P. aeruginosa 9.96 ± 0.12 26.88 ± 0.02 - 25
E. coli 10.44 ± 0.24 27.1 ± 0.00 - 12.5
S. Typhimurium 10.11 ± 0.16 26.85 ± 0.02 - 12.5

*remark; RLE, Coffea robusta leaf extract; MIC, minimum inhibitory concentration.

J. Microbiol. Biotechnol. 2022;32:1003~1010 https://doi.org/10.4014/jmb.2204.04003
© J. Microbiol. Biotechnol.