Table 2.
Bacteria | Zone of growth inhibition (in mm)a |
Minimum inhibition concentration (μg/ml) | |
---|---|---|---|
16-hydroxy betulinic acid | Kanb | ||
Bacillus subtilis IFO 3232 | 16 ± 0.7 | 21.5 ± 0.7 | 31.5 |
Sarcina lutea IAM 1671 | 17.5 ± 0.4 | 16 ± 1.1 | 31.5 |
Escherichia coli IFO 3007 | 14 ± 1.3 | 20.5 ± 1.2 | 62.5 |
Xanthomonas campestris IAM 1671 | 14 ± 0.9 | 24 ± 1.4 | 62.5 |
Klebsiella pneumoniae ATTC 10,031 | 12 ± 1.7 | 20 ± 0.6 | 125 |
Pseudomonas sp. ATCC 13,867 | 14.5 ± 0.3 | 20 ± 1.2 | 125 |
Diameter of inhibition zones (mm) of the compound around the discs (6 mm) impregnated with 10 μL/disc corresponding to 100 μg/disc.
Kanamycin (30 μg). Values are given as mean ± S.D of triplicate experiment and considered to be significantly different at P < 0.05.