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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