Quantitative and Qualitative Phytochemical Analysis of Manilkara zapota (Sapodilla) Extract and Its Antibacterial Activity on Some Gram-Positive and Gram-Negative Bacteria
Table 3
Size of inhibition zone diameter of Manilkara zapota extracts against some bacteria.
Bacteria
Size of inhibition zone diameter (mm)
Control (−)
Control (+)
Escherichia coli
9.33 ± 0.13
5 ± 0.53
33 ± 0.55
Staphylococcus aureus
14.22 ± 0.33
−
36 ± 0.71
Enterococcus faecalis
12.23 ± 0.11
6 ± 0.03
36 ± 0.88
Micrococcus luteus
15 ± 0.44
6 ± 0.66
21 ± 0.32
Klebsiella pneumoniae
10.33 ± 0.36
−
23 ± 0.44
Bacillus cereus
14.55 ± 0.45
5 ± 0.45
26 ± 0.55
Listeria monocytogenes
15.44 ± 0.33
−
26 ± 0.33
Pseudomonas aeruginosa
8.85 ± 0.2
5 ± 0.23
26 ± 0.23
− indicates the absence of antimicrobial activity in the extract.