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Table 5 Effect of methanol crude extracts of selected plants against biofilm formation by uropathogenic E. coli

From: Phytochemical analysis of medicinal plants of Nepal and their antibacterial and antibiofilm activities against uropathogenic Escherichia coli

S.N.

Plants

Percentage of inhibition (%) at 500 μg/mL

Bacteria used for the study (E. coli; EC)

EC1a

EC2a

EC3a

EC4a

EC5a

1

A. catechu

44.4

66.4

50.1

38.9

58.3

2

A. marmelos

56.2

75.4

46. 6

60.2

73.1

3

A. heterophyllus

35.4

43.9

21.5

27.1

39.5

4

A. dubia

60.4

65.9

29.1

62.3

65.9

5

A. indica

52.1

62.4

45.4

43.8

49.4

6

B. diffusa

58.1

72.2

23.8

60.6

68.7

7

C. gigantea

64.2

77.1

69.8

68.2

73.2

8

C. indicum

47.2

70.2

61.1

62.3

65.9

9

C. tamala

35.4

63.4

57.9

43.1

49.7

10

C. camphora

41.9

67.8

35.6

49.5

56.2

11

E. prostrata

72.4

71.2

53.1

69.1

77.4

12

E. adenophorum

56.7

65.2

56.1

52.4

67.6

13

H. uralum

37.2

66.7

43.4

61.1

71.4

14

L. inermis

45.8

67.7

32.1

58.1

69.2

15

M. indica

59.7

76.7

60.7

52.9

68.6

16

M. oleifera

60.5

64.1

65.1

51.4

71.2

17

M. alba

44.8

65.3

61.5

48.3

52.5

18

N. arbortristis

37.1

74.4

24.1

67.2

70.7

19

O. tenuifolium

63.1

76.1

51.7

61.1

69.2

20

O. lantifolia

57.1

77.2

56.8

65.9

72.5

21

P. stratiotes

26.4

73.1

41.1

64.8

68.3

22

P. persica

63.1

78.4

62.1

65.9

61.6

23

S. robusta

26.1

60.3

29.8

39.3

49.3

24

U. parviflora

59.3

76.1

62.5

61.4

72.8

25

Z. officinale

40.6

70.4

39.4

56.4

72.1

26

Ciprofloxacinb

46.3

65.8

58.7

53.7

56.3

  1. aindicates the five different E. coli test strains used for the study
  2. bindicates the positive control (antibiotic) used for the study