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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