Research Article

Toxicity, Antibacterial, and Phytochemical Analyses of Antrocaryon klaineanum Pierre Extracts

Table 2

Inhibition zone diameters produced by the extracts and fractions from Antrocaryon klaineanum.

Inhibition zone diameters (mm)Standards
ExtractsFractions
Ak waterAk water ethanolAk water acetoneAk F1Ak F2Ak F3Ak F4GenAmTe

Bacteria
Reference strains
Escherichia coli 105182 CIP8 ± 110 ± 19 ± 016 ± 217 ± 116 ± 112 ± 117 ± 1NdNd
Listeria innocua LMG 135668 BHI7 ± 09 ± 111 ± 1Nd14 ± 213 ± 110 ± 013 ± 07 ± 114 ± 0
Staphylococcus aureus ATCC 25293 BHI9 ± 010 ± 110 ± 010 ± 012 ± 015 ± 011 ± 115 ± 1Nd17 ± 1
Enterococcus faecalis 103907 CIP12 ± 111 ± 214 ± 010 ± 012 ± 012 ± 210 ± 130 ± 07 ± 119 ± 0
Bacillus cereus LMG 13569 BHI10 ± 09 ± 19 ± 015 ± 116 ± 015 ± 111 ± 013 ± 1Nd18 ± 1
Shigella dysenteria 5451 CIP10 ± 110 ± 111 ± 113 ± 015 ± 115 ± 012 ± 124 ± 1Nd16 ± 0

Clinical isolates
Pseudomonas aeruginosa7 ± 010 ± 112 ± 1Nd12 ± 111 ± 19 ± 020 ± 07 ± 121 ± 1
Salmonella enterica8 ± 010 ± 111 ± 1Nd10 ± 010 ± 111 ± 128 ± 17 ± 116 ± 1
Salmonella typhi9 ± 011 ± 110 ± 09 ± 012 ± 113 ± 010 ± 120 ± 17 ± 015 ± 1
Neisseria gonorrhea19 ± 120 ± 121 ± 121 ± 124 ± 022 ± 118 ± 222 ± 27 ± 110 ± 1

Nd = not determinated; Gen = gentamicin (10 μg/mL), Te = tetracycline (30 μg/mL), Am = ampicillin (30 μg/mL), Ak = Antrocaryon klaineanum, and F = fraction.