Determination of In Vitro Antimicrobial Activity of Five Sri Lankan Medicinal Plants against Selected Human Pathogenic Bacteria

Figure 2

Photographs show only the plants that gave positive results for the disc diffusion assay. (a) Ethanol extract of E. divaricata. (b) Ethanol extract of V. zizanioides. (c) Hexane extract of E. divaricata. (d) Hexane extract of V. zizanioides. (e) Aqueous extract of E. divaricata. P: positive control; N: negative control; C1: crude extract; C2: 10-fold dilution of crude extract; C3: 100-fold dilution of crude extract.

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