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International Journal of Phytomedicine and Phytotherapy

Table 3 Antibacterial profile of QL extracts

From: Screening of phytoconstituents and antibacterial activity of leaves and bark of Quercus leucotrichophora A. Camus from Uttarakhand Himalaya

Bacterial strains

QLB (ZOI)

QLL (ZOI)

DMSO (ZOI)

QLB (Ave ± SD) mm

Ampi (Ave ± SD) mm

QLL (Ave ± SD) mm

Ampi (Ave ± SD) mm

E. coli

9.37 ± 0.65

22.7 ± 0.65

8.53 ± 0.50

21.5 ± 0.62

0.00

P. aeruginosa

13.97 ± 0.42

23.2 ± 0.74

13.27 ± 0.25

23.3 ± 0.70

0.00

S. aureus

16.97 ± 0.25

22.6 ± 0.62

13.80 ± 1.51

20.7 ± 0.56

0.00

S. pyogenes

15.97 ± 0.65

21.2 ± 0.46

15.83 ± 0.29

22.4 ± 0.52

0.00

B. subtilis

19.07 ± 0.31

22.2 ± 0.51

17.03 ± 0.55

20.6 ± 0.57

0.00

  1. Note: QLB Quercus leucotrichophora bark, QLL Quercus leucotrichophora Leaves, ZOI Zone of inhibition, Ampi Ampicillin, DMSO Dimethyl sulfoxide