Review Article

A Review on Worldwide Ephedra History and Story: From Fossils to Natural Products Mass Spectroscopy Characterization and Biopharmacotherapy Potential

Table 2

Antioxidant activity of Ephedra species (published in the period 2015–2019).

SourcePartExtractionMethodActivityReferences

TunisiaAerial parts of E. alata DecneEtOH 70%CUPRAC7453.18 ± 2.5 µmol trolox/g[90]
Aerial parts of E. alataEtOH/water (v/v)DPPH33.51 ± 0.05 mg TEAC/100 g[23]
ABTS37.86 ± 0.03 mg TEAC/100 g
Aerial parts of E. alataMeOH 70% (I); CHCL3 (II)EtOAc (III); BuOH (IV); and water (V)TAC(I)125.50 ± 3.50 mg aa eq/g[45]
(II)221.71 ± 8.90 mg aa eq/g
(III)145.71 ± 13.1 mg aa eq/g
(IV)130.29 ± 2.60 mg aa eq/g
(V)56.29 ± 4.50 mg aa eq/g
DPPH(I)0.330 ± 0.004 mg/mL
(II)0.454 ± 0.008 mg/mL
(III)0.180 ± 0.002 mg/mL
(IV)0.176 ± 0.002 mg/mL
(V)-
FRAP(I)10.38 ± 0.04 mM TEq/g
(II)18.32 ± 0.07 mM TEq/g
(III)21.36 ± 0.04 mM TEq/g
(IV)4.14 ± 0.03 mM TEq/g
(V)0.82 ± 0.02 mM TEq/g
AlgeriaWhole plant of E. alataDecne ssp. alendaWater (boiling)DPPH (EC50)450 ± 7 μg/mL[100]
Reducing power (EC50)108 ± 1 μg/mL
β-carotene bleaching inhibition131 ± 1 μg/mL
Water (decoction)DPPH (EC50)455 ± 6 μg/mL
Reducing power (EC50)109 ± 3 μg/mL
β-Carotene bleaching inhibition (EC50)173 ± 3 μg/mL
EtOH/waterDPPH (EC50)540 ± 3 μg/mL
Reducing power (EC50)377 ± 4 μg/mL
β-carotene bleaching inhibition (EC50)502 ± 8 μg/mL
JordanStems of E. alataPetroleum ether and MeOHDPPH (IC50)66.4 ± 0.55 μg/mL[95]
ABTS (IC50)50.2 ± 1.2 μg/mL
Ferrous ion (Fe2+) chelating77.1 ± 1.1 μg/mL
(IC50)
Hydroxyl radical (IC50)43.5 ± 1.14 μg/mL
Saudi ArabiaRipe fruits of E. foemineaMeOHDPPH (1 mg/mL)68%[96]
Total antioxidant activity60%
Hydrogen peroxide scavenging activity (1 mg/mL)68%
PalestineLeaves of E. alataMeOHDPPH (IC50)15.85 μg/mL[113]
Aerial parts of E. alataMeOHDPPH (100 μg/mL)75.02 ± 1.67%[114]
LebanonFresh stems of E. campylopodaWaterDPPH(IC50)300 ± 4.4 μg/mL[97]
Metal chelating activity (IC50)>1.5 mg/mL
EtOHDPPH (IC50)125 ± 4.4 μg/mL
Metal chelating activity (IC50)>1.5 mg/mL
MeOHDPPH (IC50)150 ± 5.1 μg/mL
Metal chelating activity (IC50)1 ± 1.2 mg/mL
PakistanRoot and stem of E. gerardianaMeOHDPPH (root) (IC50)14.94 ± 3.54 μg/mL[115]
WaterDPPH (stem) (IC50)3.44 ± 0.69 μg/mL
n-HxDPPH (roots) (IC50)21.49 ± 6.26 μg/mL
DPPH (stem) (IC50)13.92 ± 6.04 μg/mL
CHCl3DPPH (roots) (IC50)6.38 ± 1.59 μg/mL
DPPH (stem) (IC50)22.73 ± 6.92 μg/mL
EtOAcDPPH (roots) (IC50)2.96 ± 0.39 μg/mL
DPPH (stem) (IC50)2.73 ± 0.84 μg/mL
n-BuOHDPPH (roots) (IC50)13.74 ± 2.71 μg/mL
DPPH (stem) (IC50)2.69 ± 0.26 μg/mL
Aerial parts of EphedraEtOH/MeOH/waterDPPH (100 μg/mL)90.08 ± 1.37%[103]
KoreaStem of E. sinicaEtOHDPPH (1 mg/mL)75%[116]
ABTS (1 mg/mL)80%
ChileAerial parts of Ephedra chilensisn-HxDPPH (IC50)13.77 ± 0.37 mg/mL[94]
FRAP3.90 ± 0.20TEAC mM
TRAP0.28 ± 0.05TEAC mM
CH2Cl2DPPH (IC50)3.02 ± 0.02 mg/mL
FRAP21.05 ± 0.18TEAC mM
TRAP1.40 ± 0.07TEAC mM
EtOHDPPH (IC50)0.68 ± 0.01 mg/mL
FRAP24.00 ± 0.43TEAC mM
TRAP1.53 ± 0.06TEAC mM)
Leaves and stems of E. chilensisEtOHDPPH (1 mg/mL)82%[117]