Table 3 IC50 values of plant extracts (μg/ml)

Cleome icosandra

7.28 ± 0.37**

2.54 ± 0.04***

20.13 ± 0.01***

152.23 ± 3.51***

30.96 ± 0.98***

532.85 ± 15.93*

Rosa damascena

10.36 ± 0.02***

3.57 ± 0.11**

23.01 ± 0.03**

273.18 ± 3.52***

42.10 ± 0.82^NS

637.57 ± 52.93**

Cyperus scariosus

11.10 ± 0.37**

6.27 ± 0.44**

18.23 ± 0.038***

240.31 ± 4.28***

28.85 ± 0.23***

590.23 ± 2.37**

Gardenia gummifera

82.33 ± 0.31***

11.62 ± 0.21**

34.33 ± 0.07***

--

45.39 ± 0.87***

890.32 ± 52.23***

Abies pindrow

84.23 ± 1.50**

19.10 ± 0.21***

31.43 ± 0.07***

286.59 ± 3.89***

74.54 ± 9.28***

987.42 ± 17.4***

Valeriana wallichii

86.61 ± 0.89**

21.26 ± 0.18***

37.92 ± 0.07***

--

78.35 ± 0.57***

943.12 ± 27.82***

Holarrhena antidysenterica

98.84 ± 0.31***

29.92 ± 0.25***

29.23 ± 0.01**

211.34 ± 2.12***

83.49 ± 0.59***

880.51 ± 9.99***

Anacyclus pyrethrum

467.10 ± 0.27***

31.76 ± 0.27***

41.22 ± 0.04***

--

83.49 ± 0.59***

1.137 ± 0.003¹***

Orchis mascula

1.098 ± 0.009¹***

--

47.82 ± 0.20**

--

537.87 ± 93.12**

3.114 ± 0.09¹***

Asphodelus tenuifolius

2.006 ± 0.002¹***

156.94 ± 5.28***

50.13 ± 0.04***

--

425.92 ± 78.12***

3.390 ± 0.031¹***

Reference Compound

Quercetin

3.21 ± 0.11

1.34 ± 0.08

7.42 ± 0.32

18.23 ± 0.42

41.98 ± 0.95

Gallic acid

--

820.12 ± 27.34