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Table 5 Antioxidant activities of ethanol extracts of medicinal plants

From: In vitro pro-inflammatory enzyme inhibition and anti-oxidant potential of selected Sri Lankan medicinal plants

Plant Name/Standard IC 50 (μgmL− 1)/Inhibition (%)* FRAP values (mg TE/g) ORAC values (mg TE/g)
DPPH FIC
Sphaeranthusindicus 109.33 ± 1.19a 19.21 ± 0.56* 326.15 ± 3.53a 1018.71 ± 9.96a
Acronychiapedunculata 743.49 ± 1.94b 974.56 ± 2.31a 741.64 ± 1.75b 322.67 ± 1.94b
Calophyllum nnophyllum 6.99 ± 0.02c 19.50 ± 0.71* 2613.00 ± 7.23c 2111.0 ± 6.35c
Symplocos cochinchinesis 9.85 ± 0.28c 1093.53 ± 4.04b 2181.61 ± 2.16d 2910.7 ± 12.9d
Tinospora cordifolia 389.20 ± 0.75d NI 586.66 ± 3.29e 121.29 ± 2.12e
Flacourtia indica 26.37 ± 0.49e 8.29 ± 0.26* 375.20 ± 2.79f 1480.20 ± 11.5 f
Leucus zeylanica 352.65 ± 2.12f 33.46 ± 0.66* 157.69 ± 1.85g 63.69 ± 1.16g
Barathranthus nodiflorus 282.22 ± 1.78g 33.37 ± 0.40 * 427.29 ± 2.07h 18.07 ± 0.42h
Diospyros ebenum 177.32 ± 1.03h NI 369.18 ± 0.61f 95.24 ± 0.00e,g
Argyreia populifolia 288.81 ± 1.45g NI 268.01 ± 1.53i 479.55 ± 1.80 i
Trolox 5.29 ± 0.09c NA NA NA
EDTA-Na2 NA 13.07 ± 0.64 c NA NA
GreenTea NA NA NA 1662.82 ± 0.22j
  1. Data represented as mean ± SE (N = 3). Mean within each column followed by the same letter are not significantly different at p < 0.05. *Inhibition (%) at the assay concentration of 1000 μg/mL, NA Not applicable