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Table 3 Summary of the antioxidant potential of Huang-Qin extracts prepared by different extraction methods as estimated by DPPH assay (SC50, mg/ml) and FRAP assay (μmol Fe2+/mg extract)

From: Chemical and pharmacological evaluations on the extract of Scutellaria baicalensis Georgi (Huang-Qin) prepared by various extraction methods

Samples

DPPH assay (SC50, mg/ml)

FRAP assay (μmol Fe2+/mg extract)

Ascorbic acida

0.107 ± 0.004***

2278 ± 15***

HRE-W

0.958 ± 0.032

1249 ± 131

MAE-W

1.046 ± 0.064

1306 ± 71

UE-E

0.988 ± 0.057

1359 ± 29

UE-W

3.899 ± 0.175***

541.6 ± 98***

  1. Results are expressed as mean ± SEM (n = 3)
  2. *** P < 0.001 compared to HRE-W
  3. a1 mM was used
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