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Table 3 Extraction yields and antioxidant capacities of polyherbal formulas

From: Antioxidant capacities and total phenolic contents of 20 polyherbal remedies used as tonics by folk healers in Phatthalung and Songkhla provinces, Thailand

Samples Yields MCAa FRAPb assay Radical scavenging activities; IC50 (mg/mL)
  % (w/w) IC50 (mg/mL) μM Fe2SO4/mg extract DPPH ABTS
THP-R001 5.68 0.93 ± 0.00 11.61 ± 0.25
THP-R002 4.60 0.94 ± 0.01 39.79 ± 0.72 2.15 ± 0.41 1.15 ± 0.00
THP-R003 5.68 0.63 ± 0.02 18.58 ± 0.35 2.01 ± 0.03
THP-R004 3.99 0.80 ± 0.01 42.51 ± 0.76 0.92 ± 0.02 1.09 ± 0.06
THP-R005 10.54 0.84 ± 0.01 38.84 ± 0.78 1.61 ± 0.03 1.38 ± 0.04
THP-R006 8.93 0.64 ± 0.01 15.63 ± 0.30 1.96 ± 0.10
THP-R007 8.07 0.64 ± 0.01 20.86 ± 0.65 1.45 ± 0.05
THP-R008 10.95 0.88 ± 0.01 51.62 ± 0.46 1.77 ± 0.05 1.31 ± 0.03
THP-R009 11.83 0.30 ± 0.01 20.27 ± 0.46 2.42 ± 0.05 1.79 ± 0.02
THP-R010 8.26 2.81 ± 0.04 87.12 ± 1.15 0.53 ± 0.02 0.42 ± 0.00
THP-R011 8.52 0.58 ± 0.02 30.33 ± 0.65 2.10 ± 0.03 1.31 ± 0.01
THP-R012 9.04 1.46 ± 0.06 40.70 ± 0.95 1.04 ± 0.07 0.87 ± 0.01
THP-R013 10.07 0.49 ± 0.01 20.92 ± 0.27 2.22 ± 0.04 1.89 ± 0.05
THP-R014 2.67 0.58 ± 0.02 54.55 ± 1.24 1.43 ± 0.07 0.55 ± 0.01
THP-R015 5.52 1.21 ± 0.01 84.22 ± 1.23 0.43 ± 0.02 0.70 ± 0.01
THP-R016 10.96 1.27 ± 0.02 95.76 ± 2.35 0.16 ± 0.00 0.34 ± 0.00
THP-R017 4.60 0.58 ± 0.02 82.32 ± 0.81 1.51 ± 0.24 1.07 ± 0.01
THP-R018 3.13 0.95 ± 0.02 18.75 ± 0.42 2.46 ± 0.10
THP-R019 4.31 1.24 ± 0.03 96.86 ± 1.63 0.50 ± 0.02 0.40 ± 0.01
THP-R020 4.09 0.57 ± 0.01 18.57 ± 0.15
Trolox 0.09 ± 0.01 0.34 ± 0.01
EDTA (μg/mL) 8.48 ± 0.34
  1. -; Not applicable
  2. a MCA; metal chelating activity
  3. bFRAP; ferric ion reducing antioxidant power