Table 3 In vitro activity of methanol extracts of B. gymnorrhiza and H. littoralis leaves against some opportunistic pathogens

Tested materials

Concentration (mg/mL)

EO₁

EO₂

EO₃

EO₄

EO₅

EO₆

EO₇

B. gymnorrhiza

50

10.3 ± 0.17

12.3 ± 0.33

12.6 ± 0.44

12.1 ± 0.17

14.6 ± 0.33

10.6 ± 0.33

11.1 ± 0.17

100

11.5 ± 0.29

16.8 ± 0.44

15.3 ± 0.33

13.6 ± 0.44

16.0 ± 0.58

12.1 ± 0.33

11.8 ± 0.33

200

15.6 ± 0.17

17.5 ± 0.29

17.3 ± 0.17

15.6 ± 0.33

17.8 ± 0.17

15.6 ± 0.33

14.1 ± 0.17

400

18.6 ± 0.33

18.8 ± 0.17

20.3 ± 0.72

18.3 ± 0.33

20.1 ± 0.60

18.1 ± 0.44

18.3 ± 0.44

H. littoralis

50

8.1 ± 0.17

9.8 ± 0.44

8.1 ± 0.17

10.1 ± 0.17

6.8 ± 0.17

8.1 ± 0.17

8.5 ± 0.29

100

10.1 ± 0.17

11.8 ± 0.44

11.8 ± 0.44

12.6 ± 0.33

8.3 ± 0.17

12.5 ± 0.29

10.3 ± 0.17

200

10.8 ± 0.17

13.3 ± 0.33

14.6 ± 0.33

13.1 ± 0.60

10.8 ± 0.44

14.1 ± 0.33

12.8 ± 0.44

400

14.1 ± 0.17

16.1 ± 0.17

15.3 ± 0.33

15.8 ± 0.44

14.6 ± 0.33

15.3 ± 0.44

17.6 ± 0.44

NA³⁰

–

20.3 ± 0.17

23.1 ± 0.17

–

23.6 ± 0.17

–

–

–

C³⁰

–

31.0 ± 0.50

27.8 ± 0.44

–

29.3 ± 0.33

–

–

–

AZM³⁰

–

–

–

16.1 ± 0.17

–

35.8 ± 0.44

17.0 ± 0.58

16.6 ± 0.33

CAZ³⁰

–

–

–

17.6 ± 0.33

–

19.8 ± 0.17

21.1 ± 0.60

18.1 ± 0.44

VA³⁰

–

–

–

–

–

16.3 ± 0.67

–

–

AMP³⁵

–

–

–

23.1 ± 0.60

–

15.3 ± 0.17

13.8 ± 0.44

21.1 ± 0.60

Negative control (methanol)

–

–

–

–

–

–

–

–