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Table 3 Comparisons of total phenols, flavonoids, matrine, oxymatrine, ferric reducing antioxidant power (FRAP) and trolox equivalent antioxidant capacity (TEAC) in roots of S. flavescens populations a

From: Karyological, morphological and phytochemical characteristics of medicinal plants Sophora flavescens Aiton grown from seeds collected at different localities

Population Total phenols Flavonoids Matrine Oxymatrine FRAP TEAC
(mg g-1DW) (mg g-1DW) (mg g-1DW) (mg g-1DW) (mg g-1DW) (mg g-1DW)
Gansu, China 41.49 ± 2.97 b 4.37 ± 1.12 b 19.72 ± 3.13 a 4.26 ± 0.82 a 19.52 ± 1.89 bc 314.90 ± 8.93 b
Danda, Taiwan 53.22 ± 4.10 a 6.48 ± 0.58 a 13.99 ± 2.60 ab 1.72 ± 0.38 b 25.01 ± 1.72 a 283.57 ± 11.81 c
Yuli, Taiwan 35.31 ± 3.85 c 3.17 ± 1.83 c 12.75 ± 2.83 b 1.14 ± 0.44 bc 23.20 ± 3.19 ab 364.06 ± 10.62 a
Hualien, Taiwan 32.38 ± 4.67 c 2.39 ± 1.14 c 10.14 ± 1.74 b 0.61 ± 0.16 c 19.44 ± 3.59 c 365.42 ± 9.48 a
  1. aMeans ± standard errors (n = 4) within each column followed by different letters are significantly different at the P = 0.05 level.