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Table 1 Effect of phytococktail methanol and n-hexane extracts on DPPH and ABTS radical-scavenging capacities a

From: Chemical composition and antioxidant capacities of phytococktail extracts from trans-Himalayan cold desert

Concentration (μg/ml)

 

Scavenging capacity (%)

  

DPPH radical-scavenging capacity

ABTS radical-scavenging capacity

 

PCMb

PCHc

QRd

AAe

BHTf

PCM

PCH

QR

AA

BHT

2.5

-

-

19.92 ± 1.53

17.71 ± 3.03

6.64 ± 0.78#Φ

-

-

35.24 ± 3.43

34.29 ± 1.75

7.43 ± 1.33#Φ

5

-

-

41.85 ± 5.12

32.23 ± 8.30

9.77 ± 2.95#Φ

-

-

64.76 ± 7.07

66.14 ± 15.94

13.91 ± 2.71#Φ

10

-

-

63.22 ± 4.50

63.93 ± 1.59

15.30 ± 1.13#Φ

-

-

86.84 ± 1.57

87.15 ± 0.92

27.71 ± 1.10#Φ

15

-

-

83.71 ± 8.59

77.93 ± 4.40

18.49 ± 0.56#Φ

-

-

87.79 ± 0.18

87.69 ± 0.18

34.39 ± 2.78#Φ

20

3.45 ± 2.26

31.45 ± 3.77*

87.83 ± 0.24*$

88.48 ± 0.90*$

25.33 ± 0.81*$#Φ

3.29 ± 0.49

3.40 ± 1.29

87.79 ± 0.18*$

88.00 ± 0.18*$

42.36 ± 0.55*$#Φ

40

10.48 ± 1.18

34.05 ± 3.10*

88.61 ± 0.24*$

88.93 ± 0.45*$

36.78 ± 5.88*#Φ

9.87 ± 1.39

4.25 ± 0.66*

87.79 ± 0.18*$

87.90 ± 0.00*$

60.40 ± 4.94*$#Φ

60

13.61 ± 0.30

35.29 ± 6.13*

88.93 ± 0.09*$

89.06 ± 0.39*$

58.07 ± 4.29*$#Φ

15.29 ± 3.23

8.81 ± 0.80*

88.11 ± 0.18 *$

88.22 ± 0.55*$

74.84 ± 1.39*$#Φ

80

16.41 ± 0.34

41.15 ± 3.28*

88.93 ± 0.18*$

89.26 ± 0.39*$

62.89 ± 3.20*$#Φ

22.08 ± 0.18

22.93 ± 2.87

88.32 ± 0.37*$

88.22 ± 0.55*$

76.86 ± 0.49*$#Φ

100

20.38 ± 2.79

42.51 ± 1.44*

89.13 ± 0.24*$

89.58 ± 0.11*$

65.30 ± 3.07*$#Φ

30.15 ± 1.51

33.33 ± 3.80

88.43 ± 0.49*$

88.54 ± 0.32*$

81.00 ± 1.02*$#Φ

150

27.99 ± 1.59

44.14 ± 0.39*

-

-

-

44.27 ± 1.39

48.83 ± 2.12*

-

-

-

200

32.03 ± 2.07

44.66 ± 0.63*

-

-

-

57.22 ± 1.29

61.36 ± 2.41

-

-

-

250

34.18 ± 1.56

46.55 ± 4.06*

-

-

-

64.65 ± 1.65

68.90 ± 1.75*

-

-

-

300

39.78 ± 1.64

49.35 ± 0.49*

-

-

-

74.95 ± 1.29

73.57 ± 2.23

-

-

-

400

49.35 ± 2.47

52.80 ± 4.26

-

-

-

85.46 ± 0.80

75.58 ± 2.71*

-

-

-

500

60.81 ± 4.01

59.05 ± 5.21

-

-

-

87.79 ± 0.18

76.43 ± 3.91*

-

-

-

RSa50 values

393.57

319.00

8.09

9.23

51.92

181.98

183.37

3.42

3.39

33.15

EC50 values

7.39

5.99

0.15

0.17

0.98

2.84

2.86

0.05

0.05

0.52

ARP values

13.53

16.69

666.67

588.24

102.04

35.21

34.97

1926.72

1941.75

192.31

AEAC values

2345.19

2893.41

   

2170.56

2154.11

   
  1. aMean ± SD of three replicates. p < 0.05: *compared with PCM; $compared with PCH; #compared with quercetin; Φcompared with ascorbic acid; bPhytococktail methanol extract; cPhytococktail n-hexane extract; dQuercetin; eAscorbic acid; fButylated hydroxytoluene.
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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