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Table 3 The O •−2 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

Peak 17

Peak 3

Peak 5

Peak 8

Peak 18

Peak 9

Peak 11

Peak 12

Total activity (µg)

S1

30.48 ± 0.67

28.38 ± 0.15

3.69 ± 0.38

3.77 ± 0.17

5.40 ± 0.06

5.91 ± 0.28

93.88 ± 3.69

5.40 ± 0.13

10.54 ± 0.17

3.17

S2

38.70 ± 1.37

24.42 ± 0.23

28.43 ± 0.38

11.82 ± 0.41

13.60 ± 0.72

93.26 ± 4.52

20.84 ± 0.48

43.97 ± 0.72

3.28

S3

23.54 ± 1.57

10.79 ± 0.12

27.24 ± 0.23

6.50 ± 0.36

17.81 ± 0.95

87.54 ± 3.21

9.56 ± 0.58

31.16 ± 0.85

1.74###

S4

39.22 ± 2.36

27.74 ± 0.25

37.33 ± 0.95

9.76 ± 0.48

13.66 ± 0.77

96.17 ± 1.48

24.59 ± 0.88

5.94 ± 0.18

4.47

S5

40.91 ± 3.51

24.66 ± 0.49

3.06 ± 0.17

13.31 ± 1.07

10.96 ± 0.49

90.88 ± 3.29

4.59 ± 0.34

3.21 ± 0.24

2.32#

S6

23.96 ± 0.74

14.47 ± 0.65

15.73 ± 0.67

14.69 ± 0.52

10.30 ± 0.93

89.06 ± 1.78

7.90 ± 0.16

16.63 ± 0.36

1.87###

S7

30.29 ± 0.26

15.85 ± 0.37

13.20 ± 0.42

7.42 ± 0.21

3.96 ± 0.65

87.65 ± 2.35

3.02 ± 0.26

2.46 ± 0.72

1.62*, ###

S8

36.49 ± 0.48

28.09 ± 0.44

4.89 ± 0.40

5.06 ± 0.59

14.57 ± 0.67

7.75 ± 0.49

88.17 ± 2.19

3.31 ± 0.16

1.21 ± 0.53

1.8###

S9

51.40 ± 1.77

21.26 ± 0.68

5.71 ± 0.31

28.79 ± 0.57

8.11 ± 0.09

13.80 ± 0.13

90.57 ± 3.21

5.01 ± 0.37

5.88 ± 0.39

2.39#

S10

14.34 ± 0.84

15.15 ± 0.22

1.97 ± 0.19

2.27 ± 0.56

3.86 ± 0.76

71.00 ± 1.39

4.89 ± 0.65

0.51***, ###

S11

28.02 ± 0.73

22.06 ± 0.78

1.30 ± 0.17

4.432 ± 0.31

70.58 ± 1.21

1.96 ± 0.26

0.58***, ###

S12

28.99 ± 0.45

11.29 ± 0.67

45.61 ± 0.93

1.92 ± 0.29

15.73 ± 0.55

94.36 ± 1.72

13.82 ± 0.95

46.18 ± 0.91

3.67

S13

17.43 ± 0.55

19.43 ± 0.35

27.96 ± 1.27

3.28 ± 0.37

4.00 ± 0.56

83.99 ± 1.80

4.21 ± 0.56

9.28 ± 0.16

1.21**, ###

S14

39.18 ± 0.94

18.63 ± 0.42

24.04 ± 1.82

6.71 ± 0.21

87.96 ± 2.70

5.99 ± 0.27

4.71 ± 0.22

1.76###

  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