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. 2020 Aug 6;2020:4808432. doi: 10.1155/2020/4808432

Table 2.

Antibacterial activity of the different extracts of Aframomum melegueta using agar well diffusion assay.

Average inhibition zones (±1.0 mm) produced by the different extracts of A. melegueta
NHE NDME DME
Organisms used 10 1 0.1 10 1 0.1 10 1 0.1
(mg/mL)

Micrococcus luteus 6 ± 1.00 6 ± 1.00 6 ± 1.00 19 ± 1.00 6 ± 1.00 6 ± 1.00 25 ± 1.00 18 ± 1.00 6 ± 1.00
Bacillus subtilis KZN 6 ± 1.00 6 ± 1.00 6 ± 1.00 29 ± 1.00 6 ± 1.00 6 ± 1.00 40 ± 1.00 15 ± 1.00 6 ± 1.00
Escherichia coli ATCC 25922 6 ± 1.00 6 ± 1.00 6 ± 1.00 14 ± 1.00 6 ± 1.00 6 ± 1.00 29 ± 1.00 14 ± 1.00 6 ± 1.00
Staphylococcus aureus NCTC 6571 6 ± 1.00 6 ± 1.00 6 ± 1.00 19 ± 1.00 6 ± 1.00 6 ± 1.00 23 ± 1.00 6 ± 1.00 6 ± 1.00
Klebsiella pneumoniae ATCC 4352 6 ± 1.00 6 ± 1.00 6 ± 1.00 14 ± 1.00 6 ± 1.00 6 ± 1.00 20 ± 1.00 6 ± 1.00 6 ± 1.00
Aeromonas hydrophila ATCC 35654 6 ± 1.00 6 ± 1.00 6 ± 1.00 20 ± 1.00 6 ± 1.00 6 ± 1.00 25 ± 1.00 16 ± 1.00 12 ± 1.00
Klebsiella pneumoniae ATCC 10031 6 ± 1.00 6 ± 1.00 6 ± 1.00 14 ± 1.00 6 ± 1.00 6 ± 1.00 20 ± 1.00 6 ± 1.00 6 ± 1.00
Plesiomonas shigelloides ATCC 51903 6 ± 1.00 6 ± 1.00 6 ± 1.00 11 ± 1.00 6 ± 1.00 6 ± 1.00 24 ± 1.00 6 ± 1.00 6 ± 1.00
Pseudomonas aeruginosa ATCC 15442 6 ± 1.00 6 ± 1.00 6 ± 1.00 20 ± 1.00 6 ± 1.00 6 ± 1.00 30 ± 1.00 20 ± 1.00 14 ± 1.00
Pseudomonas aeruginosa ATCC 19582 6 ± 1.00 6 ± 1.00 6 ± 1.00 16 ± 1.00 6 ± 1.00 6 ± 1.00 30 ± 1.00 15 ± 1.00 6 ± 1.00

NHE = n-hexane extract; NDME = nondefatted methanol extract; DME = defatted methanol extract.