Skip to main content

Table 1 Antibacterial activity of Polygonum hydropiper extracts and saponins against bacterial strains

From: Chemical profiling, antimicrobial and insecticidal evaluations of Polygonum hydropiper L

Samples

Conc. μg/ml

Diameter of the inhibitory zone (mm) Mean ± SEM (n = 3)

Enterococcus faecalis

Klebsiella pneumonia

Escherichia coli

Proteus mirabilis

Staphylococcus aureus

Salmonella typhi

Pseudomonas aeruginosa

Crude (Ph.Cr)

25

5.33 ± 0.88

6.33 ± 0.66

0.00 ± 0.00

11.00 ± 0.00

10.00 ± 0.57

11.33 ± 1.20

15.66 ± 1.85

50

14.00 ± 0.57

10.33 ± 0.33

0.00 ± 0.00

17.33 ± 0.88

14.33 ± 0.33

14.00 ± 0.57

20.33 ± 0.88

100

17.33 ± 0.88

14.00 ± 0.00

9.00 ± 0.57

34.00 ± 1.15

18.66 ± 0.66

21.33 ± 0.88

25.33 ± 1.45

Ethyl acetate (Ph.EtAc

25

9.33 ± 0.33

0.00 ± 0.00

0.00 ± 0.00

11.66 ± 1.20

8.33 ± 0.88

8.00 ± 0.57

13.00 ± 0.57

50

18.33 ± 0.88

7.00 ± 0.57

8.33 ± 0.88

18.33 ± 0.66

13.66 ± 1.20

15.66 ± 0.66

18.33 ± 0.66

100

27.00 ± 0.57

13.33 ± 0.88

15.00 ± 0.00

27.66 ± 2.18

18.33 ± 0.88

20.73 ± 1.00

24.00 ± 0.57

Chloroform (Ph.Chf)

25

13.66 ± 0.33

0.00 ± 0.00

8.00 ± 0.57

12.66 ± 3.40

7.33 ± 0.88

17.33 ± 0.66

18.66 ± 1.20

50

19.00 ± 0.57

8.00 ± 0.57

14.33 ± 0.33

15.33 ± 2.02

11.66 ± 1.45

23.00 ± 0.57

23.00 ± 1.00

100

31.66 ± 1.20

15.60 ± 1.15

18.00 ± 1.52

21.00 ± 1.73

16.00 ± 1.15

29.33 ± 0.88

31.66 ± 2.18

Butanol (Ph.Bt)

25

7.00 ± 1.15

0.00 ± 0.00

0.00 ± 0.00

14.00 ± 0.57

13.66 ± 1.20

11.33 ± 0.66

7.33 ± 0.88

50

11.00 ± 1.15

0.00 ± 0.00

0.00 ± 0.00

19.66 ± 1.20

18.66 ± 1.45

14.00 ± 1.52

12.66 ± 0.66

100

21.00 ± 0.00

8.00 ± 0.00

11.33 ± 0.88

29.00 ± 0.00

23.00 ± 1.15

19.00 ± 0.57

16.00 ± 1.52

n-Hexane (Ph.Hex)

25

11.66 ± 0.66

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

11.00 ± 1.15

8.66 ± 1.66

12.66 ± 0.33

50

17.66 ± 1.66

9.66 ± 0.33

7.66 ± 1.20

9.33 ± 0.66

17.33 ± 2.18

14.00 ± 1.00

17.00 ± 0.57

100

30.00 ± 0.57

15.00 ± 0.57

12.00 ± 0.57

14.00 ± 0.57

26.33 ± 0.88

20.33 ± 0.88

21.00 ± 0.00

Saponins (Ph.Sp)

25

6.60 ± 1.15

0.00 ± 0.00

11.00 ± 1.00

0.00 ± 0.00

10.66 ± 2.02

22.00 ± 0.57

15.00 ± 0.00

50

10.33 ± 1.45

00.00 ± 0.00

16.00 ± 0.57

0.00 ± 0.00

15.00 ± 0.57

26.33 ± 0.33

22. 33 ± 1.20

100

26.66 ± 1.20

7.33 ± 0.88

23.00 ± 0.00

8.66 ± 1.20

22.00 ± 1.52

30.66 ± 1.20

27.00 ± 0.57

Aqueous (Ph.Aq)

25

4.00 ± 0.00

0.00 ± 0.00

6.00 ± 1.15

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

6.33 ± 0.66

50

13.00 ± 0.57

0.00 ± 0.00

10.33 ± 0.33

0.00 ± 0.00

7.00 ± 0.57

10.33 ± 0.66

10.88 ± 0.33

100

20.33 ± 0.33

10.33 ± 1.45

26.66 ± 1.20

11.33 ± 1.45

14.33 ± 2.02

15.60 ± 1.15

13.00 ± 0.66

Positive Control

25

19.33 ± 2.02

24.00 ± 0.57

23.33 ± 1.45

22.57 ± 0.57

16.66 v 0.88

20.33 ± 0.88

22.33 ± 0.66

50

25.00 ± 0.57

29.33 ± 0.66

29.66 ± 1.20

27.66 ± 0.88

23.33 ± 1.52

27.00 ± 0.57

29.00 ± 0.57

100

31.66 ± 1.45

35.33 ± 0.88

34.66 ± 0.88

31.00 ± 1.52

27.00 ± 1.15

34.66 ± 1.20

36.66 ± 1.20

  1. Results expressed as diameter of inhibitory zones (DIZ). Each value represent Mean ± SEM of three independent experimental results. Positive Control: Ceftriaxone