Antioxidant Activity and Antibacterial Effects on Clinical Isolated Streptococcus suis and Staphylococcus intermedius of Extracts from Several Parts of Cladogynos orientalis and Their Phytochemical Screenings
Table 2
Antibacterial activities of C. orientalis extracts to Streptococcuss suis and Staphylococcus intermedius by disc diffusion assays.
Sample
Zone of inhibition (mean ± SD mm)
S. suis isolates
S. intermedius isolates
1
2
3
1
2
3
COLD
0
0
0
0
0
0
CORD
0
0
0
0
0
0
COSD
0
0
0
0
0
0
COLE
0
0
0
0
0
0
CORE
0
0
0
8.33 ± 1.15
0
11.00 ± 0.00
COSE
0
0
0
8.00 ± 1.00
0
11.33 ± 1.15
COREX
0
0
0
9.00 ± 1.00
7.67 ± 0.58
11.33 ± 0.58
CORDF
0
0
0
8.00 ± 1.73
0
9.67 ± 1.15
CORDF (AQ)
0
0
0
8.67 ± 0.57
0
10.67 ± 0.58
CORDF (DCM)
0
0
0
8.00 ± 1.00
0
14.33 ± 0.58
Chettaphanin I
0
0
0
9.67 ± 0.57
0
7.00 ± 0.00
DO30
15.33 ± 0.58
18.00 ± 0.00
21.67 ± 1.53
18.33 ± 1.15
13.67 ± 0.58
17.33 ± 0.58
AMC30
13.33 ± 1.15
28.00 ± 0.00
38.00 ± 2.00
30.67 ± 1.15
13.67 ± 0.58
26.67 ± 1.15
SXT25
NA
NA
NA
10.00 ± 1.00
8.67 ± 0.58
11.00 ± 1.00
FOSBAC
23.67 ± 1.15
30.00 ± 0.00
20.00 ± 0.00
NA
NA
NA
AMC30 = Amoxicillin/clavulanic acid 30 g, DO30 = Doxycycline 30 g, SXT25 Sulfa-trimethoprim 25 g, FOSBAC = fosfomycin 50 g. NA = not applicable, selection due to the sensitivity of microbes to reference antibiotics.
