Research Article

Preliminary Study on the Antibacterial Activities and Antibacterial Guided Fractionation of Some Common Medicinal Plants Practices in Itum Bahal, Kathmandu Valley of Nepal

Table 3

Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) for methanolic extract and different fractions of Q. infectoria (galls part) and M. repandus (seeds part).

S.No.Q. infectoria(galls part)S. aureus (mg/mL)B. subtilis (mg/mL)E. coli (mg/mL)S. typhi (mg/mL)

1MIC (MeOH extract)0.310.622.51.25
2MBC (MeOH extract)1.252.552.5
3MIC (EtOAc fraction)0.230.842.411.24
4MBC(EtOAc fraction)1.083.344.552.52
5MIC (acetone fraction)0.190.852.681.27
6MBC (acetone fraction)0.983.395.72.67
7MIC (acetonitrile fraction)0.260.821.890.65
8MBC (acetonitrile fraction)1.173.323.811.31
MIC (EtOH fraction)0.651.294.72.42
9MBC (EtOH fraction)2.574.689.824.83

M. repandus (seeds part)

10MIC (MeOH extract)1.251.250.620.31
11MBC (MeOH extract)52.51.250.62
12MIC (hexane fraction)1.291.281.790.63
13MBC (hexane fraction)5.42.63.581.25
14MIC (chloroform fraction)1.272.41.280.58
15MBC (chloroform fraction)5.215.12.611.20
16MIC (EtOAc fraction)0.621.240.480.25
17MBC(EtOAc fraction)2.432.540.990.53
18MIC (acetone fraction)0.651.250.520.29
19MBC (acetone fraction)2.72.571.120.59
20MIC (acetonitrile fraction)1.291.350.640.28
21MBC (acetonitrile fraction)5.42.81.290.57
22MIC (EtOH fraction)0.591.220.820.45
23MBC (EtOH fraction)2.352.541.840.96