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. 2014 Jul 1;2014:423751. doi: 10.1155/2014/423751

Table 2.

Antibacterial effects of acetone stem bark extract of A. mearnsii and the different first-line antibiotics.

Tested bacterial isolates Minimum inhibitory concentrations (MIC)
AMA Ery Tet Met Amx Cip Nal Chl Kan
mg/mL µg/mL
Escherichia  coli ATCC 25922 0.625 0.391R 0.976S 31.250R 3.906S 0.039S 1.953S 3.906S 125R
Bacillus  cereus ATCC 10702 0.156 0.098S 0.244S 31.250R 7.813R 0.078S 15.625S 3.906S 125R
Pseudomonas  aeruginosa ATCC 19582 0.156 0.195S 0.488S 15.625R 3.906S 0.156S 7.813S 3.906S 31.25R
Serratia  marcescens ATCC 9986 0.625 3.125R 15.625R 31.250R 31.25R 0.078S 1.953S 0.977S 1.953S
Enterococcus  faecalis KZN 0.625 12.500R 15.625R 62.500R 0.977S 0.313S 62.500R 31.250R 500R
Staphylococcus  aureus OK1 0.078 0.195S 0.976S 15.625R 0.977S 0.078S 62.500R 7.813R 15.625R
Salmonella  typhi ATCC 13311 0.313 6.250R 0.244S 31.250R 0.977S 0.0195S 7.813S 3.906S 15.625R
Micrococcus  luteus 0.039 0.391R 31.250R 31.250R 0.488S 1.250R 62.500R 1.953S 250R
Proteus  vulgaris CSIR 0030 0.156 0.048S 0.488S 62.500R 0.244S 0.0195S 62.500R 31.250R 31.25R
Shigella  flexneri KZN 0.078 0.195S 0.488S 62.500R 250.000R 0.039S 62.500R 7.813 15.625R

S: sensitive; R: resistant; AMA: acetone extract of A. mearnsii; Ery: erythromycin; Tet: tetracycline; Met: metronidazole; Cip: ciprofloxacin; Nal: nalidixic acid; Chl: chloramphenicol; Kan: kanamycin.