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Table 2 The H2O2 scavenging rate of the constituents from fourteen batches of the processed HSW samples (n = 6)

From: Integrated chemometric fingerprints of antioxidant activities and HPLC–DAD–CL for assessing the quality of the processed roots of Polygonum multiflorum Thunb. (Heshouwu)

No.

Peak 1

Peak17

Peak 3

Peak 5

Peak 8

Peak 18

Peak 9

Peak 11

Peak 12

Total activity (µg)

S1

18.25 ± 0.15

19.19 ± 0.93

32.28 ± 1.76

9.501 ± 0.32

8.89 ± 0.83

22.20 ± 0.17

96.83 ± 3.45

7.12 ± 0.16

16.16 ± 0.23

0.32

S2

22.58 ± 0.23

21.73 ± 1.05

13.30 ± 0.32

59.71 ± 0.67

25.71 ± 0.99

43.73 ± 0.35

94.21 ± 2.36

30.36 ± 0.91

59.29 ± 1.89

0.33

S3

19.78 ± 0.11

9.95 ± 0.51

18.47 ± 0.65

4.88 ± 0.77

17.65 ± 0.71

41.33 ± 0.27

93.09 ± 2.30

9.64 ± 0.66

46.23 ± 2.33

0.25##

S4

24.43 ± 0.09

28.72 ± 0.35

29.82 ± 0.89

64.59 ± 2.88

20.44 ± 0.63

31.33 ± 0.38

96.54 ± 4.50

33.40 ± 1.78

7.64 ± 0.59

0.36

S5

17.06 ± 0.05

18.01 ± 0.73

17.77 ± 1.01

11.63 ± 1.20

29.58 ± 0.58

31.17 ± 0.64

94.43 ± 1.19

7.02 ± 0.32

3.15 ± 0.09

0.26#

S6

6.87 ± 0.50

18.93 ± 0.45

12.80 ± 0.25

33.03 ± 1.76

33.27 ± 0.12

33.16 ± 0.47

93.34 ± 0.57

10.20 ± 0.38

25.21 ± 1.75

0.26###

S7

13.19 ± 0.17

12.04 ± 0.80

11.62 ± 0.17

32.90 ± 1.28

20.72 ± 0.11

21.10 ± 0.32

88.53 ± 1.35

5.69 ± 0.15

1.68 ± 0.18

0.17***, ###

S8

13.60 ± 0.34

22.21 ± 0.66

28.42 ± 0.03

10.72 ± 0.53

30.20 ± 0.27

21.84 ± 0.26

91.29 ± 4.11

4.14 ± 0.32

1.45 ± 0.12

0.21*, ###

S9

18.11 ± 0.57

16.73 ± 0.21

40.53 ± 1.59

50.95 ± 1.27

18.05 ± 0.78

32.71 ± 0.23

93.90 ± 1.61

4.58 ± 0.29

8.31 ± 0.12

0.28

S10

2.74 ± 0.12

14.39 ± 0.15

23.33 ± 0.77

6.13 ± 0.35

7.11 ± 0.21

13.74 ± 0.15

84.91 ± 3.74

1.35 ± 0.08

2.98 ± 0.06

0.13***, ###

S11

10.16 ± 0.18

15.77 ± 0.33

22.35 ± 0.96

3.17 ± 0.12

4.36 ± 0.13

13.86 ± 0.13

77.04 ± 1.23

1.71 ± 0.04

0.39 ± 0.03

0.09***, ###

S12

11.39 ± 0.35

9.34 ± 0.09

6.25 ± 1.23

69.94 ± 3.70

8.28 ± 0.17

38.08 ± 0.59

92.59 ± 2.55

26.50 ± 1.70

63.87 ± 0.73

0.3

S13

11.57 ± 0.67

7.30 ± 0.37

46.27 ± 0.98

10.18 ± 0.27

7.88 ± 0.76

83.23 ± 2.37

8.25 ± 0.63

11.74 ± 1.91

0.13***, ###

S14

8.48 ± 0.05

13.51 ± 0.92

37.67 ± 0.95

41.70 ± 1.32

8.18 ± 0.35

16.23 ± 0.84

90.63 ± 5.10

22.13 ± 0.51

5.99 ± 0.57

0.21###

  1. – Not detected; compared with S1 group, * P < 0.05, ** P < 0.01,*** P < 0.01; compared with S4 group, # P < 0.05, ## P < 0.01, ### P < 0.001