Scientifica / 2020 / Article / Tab 1

Research Article

Comparison of In Vitro Antibacterial Activity of Epaltes divaricata and Vetiveria zizanioides against Methicillin-Resistant Staphylococcus aureus

Table 1

Diameter values of the disk diffusion assay of E. divaricata and V. zizanioides against MSSA and MRSA strains.

ExtractConcentrationInhibition zone diameter (mm)
MRSAMSSA (ATCC 25923)
E. divaricataV. zizanioidesE. divaricataV. zizanioides

Hexane40 mg/mL (crude)9.9 (6.7–13.1), n = 208.3 (6.5–11.4), n = 2013.7 ± 0.111.4 ± 0.2
4 mg/mL (10x dilution)
0.4 mg/mL (100x dilution)

Ethanol300 mg/mL (crude)15.4 (13.1–18.7), n = 208.7 (6.4–13.3), n = 816.3 ± 0.212.1 ± 0.2
30 mg/mL (10x dilution)10.1 (7.4–11.7), n = 186.8 (6.3–9.0), n = 813.4 ± 0.27.3 ± 0.3
3 mg/mL (100x dilution)7.1 (6.3–10.1), n = 87.6 ± 0.1

Aqueous150 mg/mL (crude)9.4 (6.6–15.6), n = 207.4 ± 0.2
15 mg/mL (10x dilution)
1.5 mg/mL (100x dilution)

Vancomycin30 μg/disc20.6 ± 2.220.8 ± 0.1

n denotes the number of isolates that showed a measurable diameter; data were expressed as mean (min-max); data were expressed as mean ± SEM; mean ± standard deviation.

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