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Table 2 Biological activities of Egyptian herbal medicines against different bioassays related to AD

From: In-vitro evaluation of selected Egyptian traditional herbal medicines for treatment of alzheimer disease

No.

Plant species

Screening data

IC50(μg/ml)

  

% inhibition of ACHEa

% inhibition of COX-1b

DPPH (%AA)b

ACHE

COX-1

DPPH

1

A.vasica

86.0

-

19.0

294

N.D

>100

2

A. vera.

-

-

31.0

-

N.D

>100

3

A. pyrethrum L.

21.0

-

90.0

N.D

N.D

26.3

4

B. sacra

−46.0

15.1 ± 5.7

8.0

N.D

N.D

>100

5

B. alba

16.0

52.3 ± 2.1

24.0

N.D

N.D

>100

6

B. nigra.

19.0

10.9 ± 1.6

42.0

N.D

N.D

>100

7

E. officinalis

-

-

97.0

N.D

N.D

6.3

8

F. assafoetida

3.0

96.7 ± 1.3

17.0

N.D

3.2

>100

9

M. officinalis

−49.0

-

6.0

N.D

N.D

>100

10

C. fistula.

−16.0

19.2 ± 4.8

66.0

N.D

N.D

75.0

11

N. oleander.

-

-

60.0

N.D

N.D

64.5

12

N. sativa.

5.0

55.4 ± 8.8

19.0

N.D

N.D

>100

13

P. harmala.

92.0

-

41.0

68

N.D

>100

14

P. nigrum.

34.0

-

30.0

N.D

N.D

>100

15

R. palmatum.

−20.0

-

95.0

N.D

N.D

14.2

16

R. officinalis.

10.0

11 ± 5.4

82.0

N.D

N.D

19.4

17

R. graveolens.

8.0

-

69.0

N.D

N.D

61.0

18

S. triloba.

-

-

93.0

N.D

N.D

20.7

19

S. aromaticum

47.0

80.3 ± 0.9

89.0

N.D

34.9

15.9

20

T. arjuna

−10.0

-

96.0

N.D

N.D

3.1

21

T. chebula

13.0

-

95.0

N.D

N.D

2.2

22

T. polium

16.0

-

51.0

N.D

N.D

96.4

23

Z. officinalis

−45.0

68.2 ± 3.1

47.0

N.D

33.6

>100

 

Galanthamine

n/a

n/a

n/a

9.4

n/a

n/a

 

Indomethancin

n/a

n/a

n/a

n/a

0.61

n/a

 

Reference DPPH scavengers:

      

t-BHQ

     

2.8

Gallic acid

     

1.2

 

Quercetin

     

4.5

  1. aat 1000 μg/ml, bat 100 μg/ml, N.D not detected, n/a not applicable.