Mmushi T MSc (Microbiology).pdf

Table 3.2.Average MIC (mg/ml) and total activity (ml/g) of selected plant species after 24 hr incubation at 37 o C.
Rhodococcus erythropolis ATCC 4277
Minimal inhibitory concentration (mg/ml)
Average
Warburgia salutaris
Annona
senegalensis
Antidesma
venosum
Kigelia Africana
Apodytes dimidiata
subsp dimidiata
Maytenus
senegalensis
Macaranga
capensis
Vangueria infausta
subsp infausta
Maytenus udanta
Sclerocarya birrea
Barringtonia
racemosa
Milletia stuhlmannii
Xanthocercis
zambesiaca
Kirkia acuminata
Albizia gummifera
Extractant
Hexane 1.25 0.63 0.84 0.31 0.84 1.25 1.25 na 0.63 0.63 na 0.31 na na 1.25 0.83
DCM 0.31 0.31 0.63 0.31 1.25 2.5 1.25 1.67 0.21 1.04 0.84 0.63 na na 1.25 0.94
Acetone 0.13 0.31 0.11 0.08 0.13 0.21 1.25 0.63 0.11 0.31 0.63 0.52 0.31 0.63 0.31 0.38
Methanol 0.31 0.51 0.31 0.16 0.84 0.84 1.25 1.25 0.78 0.84 0.63 0.52 0.63 1.25 0.84 0.73
Average 0.50 0.44 0.47 0.22 0.76 1.20 1.25 1.18 0.43 0.71 0.70 0.50 0.47 0.94 0.91
Total activity (ml/g)
Hexane 11.2 63.5 16.7 54.8 26.8 22.4 34.4 na 30.2 60.4 na 29 na na 34.2 34.9
DCM 151.6 190.3 103.2 190.3 32.8 50.4 72.8 46.8 228.6 60.4 64.5 69.8 na na 100.6 104.8
Acetone 184.6 203.2 207.6 437.5 269.2 190 66.4 50.8 537.7 74.2 68.3 44 74.2 52.4 173.7 175.6
Methanol 254.8 475.6 341.9 418.8 176.8 162.5 101.6 72.8 142.3 112.3 217.5 40.2 168.3 84.8 193.7 197.6
Average 150.6 233.2 167.4 275.4 126.4 106.3 80.3 56.8 234.7 76.8 116.8 45.8 121.3 68.6 125.6
na = No activity at 2.5 mg/ml
Rifampicin= 0.125 mg/ml
57