Research Article
Antimicrobial and Alpha-Amylase Inhibitory Activities of Organic Extracts of Selected Sri Lankan Bryophytes
Table 1
Antimicrobial activity of the crude extracts at 500 µg/disc concentrations.
| Plant extracts | Antimicrobial activity | Mean diameter of the inhibition zone (mm) ± SE (500 mg/disc) | S. aureus | B. subtilis | P. aeruginosa | C. albicans |
| MR-Hex | 8.3 ± 0.2 | — | — | — | FS-Hex | 10.5 ± 0.3 | 7.6 ± 0.2 | 7.3 ± 0.2 | — | FS-EtOAc | 8.3 ± 0.2 | 9.2 ± 0.1 | — | — | SD-Hex | — | — | — | 7.4 ± 0.2 | SD-MeOH | 12.3 ± 0.2 | 7.4 ± 0.1 | — | — | HC-Hex | — | — | — | 7.8 ± 0.2 | HC-MeOH | 8.5 ± 0.2 | — | — | — | CM-MeOH | 8.3 ± 0.2 | 7.3 ± 0.2 | — | — | +ve control | 23.5 ± 0.4 | 20.3 ± 0.2 | 15.2 ± 0.1 | 13.1 ± 0.8 | −ve control | — | — | — | — |
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Hex: hexane extract, EtOAc: ethyl acetate extract, and MeOH: methanol extract.
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