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.