BioMed Research International / 2018 / Article / Tab 1

Research Article

Antioxidant, Hepatoprotective, and Antidepression Effects of Rumex tingitanus Extracts and Identification of a Novel Bioactive Compound

Table 1

The IC50 and AAI values of DPPH test and β-carotene-linoleic acid assay and IC0.5 values of reducing power assay of R. tingitanus leaves extracts.

ExtractDPPHβ-CaroteneReducing power
IC50 (µg/ml)AAIIC50 (µg/ml)IC0.5 (µg/ml)

Rt EtOH-H2O78.1 ± 1.50.51451 ± 9106 ± 3.1
Rt EtOAcF11.7 ± 0.23.39320 ± 1641 ± 2
Rt HexF193.8 ± 7.90.26>2000410 ± 24.6
Rt WF81.4 ± 40.49>2000133 ± 7.9
Luteolin12.7 ± 0.23.1219 ± 1nt
 4′-p-acetylcoumaroyl luteolin20.7 ± 0.61.92ntnt
BHT86.5 ± 1.70.465.01 ± 0.1541 ± 2.1
Ascorbic acid3.7 ± 0.210.619.60 ± 0.01nt

BHT and ascorbic acid were used as standard; IC50 (µg/mL): values corresponding to the extract amount required to scavenge 50% of radicals present in the reaction mixture; IC0.5: extract or compound concentration providing absorbance of 0.5; AAI: antioxidant activity index; nt: not tested.