Antimicrobial Activities of Some Constituents Isolated from a Kenyan Medicinal Plant, Capparis fascicularis DC
Table 2
Average diameter of zones of inhibition by C. fascicularis plant parts (mm) (mean ± SE).
Leaves
1. Petroleum ether
2. Ethyl acetate
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.0 ± 0.0
6.0 ± 0.0
6.0 ± 0.0
6.0 ± 0.0
6.2 ± 0.0
6.0 ± 0.0
6.0 ± 0.0
6.0 ± 0.0
3. Methanol
4. Water
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.1 ± 0.0
6.1 ± 0.0
6.1 ± 0.0
6.1 ± 0.0
6.0 ± 0.0
6.1 ± 0.1
6.0 ± 0.0
6.0 ± 0.0
F value
0.59
0.63
0.62
0.13
0.59
0.63
0.62
0.13
P value
0.621
0.595
0.604
0.945
0.621
0.595
0.604
0.945
Stem bark
1. Petroleum ether
2. Ethyl acetate
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.5 ± 0.3b
6.5 ± 0.3b
6.5 ± 0.3b
6.4 ± 0.2b
3. Methanol
4. Water
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.0 ± 0.0a
6.5 ± 0.2b
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
F value
3.08
2.82
3.20
2.96
3.08
2.82
3.20
2.96
P value
0.031
0.043
0.027
0.037
0.031
0.043
0.027
0.037
Root bark
1. Petroleum ether
2. Ethyl acetate
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
9.2 ± 0.8b
7.3 ± 0.4b
7.9 ± 0.0b
6.3 ± 0.2b
3. Methanol
4. Water
S. aureus
B. subtilis
S. typhi
E. coli
S. aureus
B. subtilis
S. typhi
E. coli
6.0 ± 0.0a
6.3 ± 0.2a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
6.0 ± 0.0a
F value
18.84
8.64
9.27
2.80
18.84
8.64
9.27
2.80
value
0.0001
0.0001
0.0001
0.045
0.0001
0.0001
0.0001
0.045
Positive control
Microorganism
S. aureus
B. subtilis
S. typhi
E. c2oli
Gentamicin (10 μg/mL)
22.0 ± 0.2
22.0 ± 0.2
15.0 ± 0.5
15.0 ± 0.3
Values of the mean in the same column referred by alike alphabetic characters are not significantly different when . Tukey’s HSD is used to separate the mean.
