Table 1

Antioxidant activity of RGSE including DPPH radical scavenging activity, TEAC, FRAP, HRSA, SRSA, and FICP
Antioxidant activity
DPPH TEAC FRAP HRSA SRSA FICP
RGSE 0.03 ± 0.01 395.65 ± 1.61 114.24 ± 0.03 5.40 ± 0.01 0.58 ± 0.01 3,474.05 ± 5.55
Ascorbic acid 0.01 ± 0.01 - - - - -
Trolox - - - 2.16 ± 0.06 0.32 ± 0.01 -

Data are expressed as mean ± S.E.M, n = 3. DPPH radical scavenging activity, Hydroxyl radical scavenging activity (HRSA), and Superoxide radical scavenging activity (SRSA) are expressed as the IC50 value (mg/ml). TEAC, FRAP, and FICP are expressed as mg trolox/gram dried extract, mM FeSO4/gram dried extract, and mg EDTA/gram dried extract, respectively.

Jariyapamornkoon et al.

Jariyapamornkoon et al. BMC Complementary and Alternative Medicine 2013 13:171   doi:10.1186/1472-6882-13-171

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