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International Journal of Phytomedicine and Phytotherapy

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Table 5 Antioxidants activities of Eastern African plants

From: African natural products with potential antioxidants and hepatoprotectives properties: a review

Plants Family Part used Solvents Assay Methods Inhibition/EC50 Country References
Aframomum corrorima (A. Braun) P.C.M. Jansen. Zingeberaceae Seed Oil DPPH 34.9 μL/mL Ethiopia [277]
Afrocantharellus splendens (Buyck) Tibuhwa. Cantherellaceae Mushroom EtOH DPPH <0.4 mg/mL Tanzania [278]
Afrocantharellus symoensii Cantherellaceae Mushroom EtOH DPPH <0.2 mg/mL Tanzania [278]
Aloe harlana Reynolds. Xanthorrhoeaceae Latex EtOH DPPH 14.21 μg/mL Ethiopia [279]
Aloe otallensis Baker. Asteraceae Latex EtOH DPPH 26.9 mg/mL Ethiopia Paulos et al., 2012
Amaranthus dubius Mart. Amaranthaceae Leaf EtOH ORAC 928 \( \mu \)MTE/\( \mu \)g Kenya [56]
Apium leptophylum (Pers.) Sprague ex Britton & P.Wils Apiaceae Leaf Oil DPPH 4.3 μl/ml. Ethiopia [280]
Artemisia abyssinica Sch. Bip, ex A. Rich. Compositae Aerial parts Oil DPPH 28.9 μL/mL Ethiopia [281]
Artemisia afra Jacq. ex Wild. Compositae Aerial parts Oil DPPH 1.1 μL/mL Ethiopia [281]
Azadirachta indica A.Juss. Meliaceae Leaf EtOH ORAC 1761 \( \mu \)MTE/\( \mu \)g Kenya [56]
Bersama abyssinica Fresen. melianthaceae Leaf EtOH DPPH 7.5 μg/ml Ethiopia [58]
Brassica oleracea L. Brassicaceae Leaf EtOH ORAC 1184 \( \mu \)MTE/\( \mu \)g Kenya [56]
Cantharellus cascadensis Dunham, O Dell & R. Molina. Cantharaceae Mushroom EtOH DPPH <0.2 mg/mL Tanzania [278]
Cantharellus cyanoxanthus R. Heim ex Heinem. Cantharaceae Mushroom EtOH DPPH <0.4 mg/mL Tanzania [278]
Cantharellus pseudocibarius Henn. Cantharaceae Mushroom EtOH DPPH 0.14 mg/mL Tanzania [278]
Cantharellus rufopunctatus (Beeli) Heinem. Cantharaceae Mushroom EtOH DPPH 0.4 mg/mL Tanzania [278]
Cantharellus tomentosus Eyssart. & Buyck. Cantharaceae Mushroom EtOH DPPH <0.4 mg/mL Tanzania [278]
Cheilanthes farinose Sw. Pteridaceae Aerial parts EtOH DPPH 52.5 μg/ml Ethiopia [58]
Cineraria abyssinica Sch. Bip. Ex A. Rich. Asteraceae Leaf EtOH/H2O DPPH 5.78/6.27 μg/ml Ethiopia [57]
Cucurbita maxima Duschesne. Cucurbitaceae Leaf EtOH ORAC 447 \( \mu \)MTE/\( \mu \)g Kenya [56]
Delonix elata L. Fabaceae Flower CO(CH3)2/MeOH/H2O DPPH 91.3/86/89.3% at 100 μL Ethopia [282]
Eriobotrya japonica (Thunbs) Lindl. Rosaceae Fruit EtOH ORAC 411 \( \mu \)MTE/\( \mu \)g Kenya [56]
Euclea racemosa L. Ebenaceae Leaf (CH3)2CO DPPH 11.3 μg/ml Ethiopia [58]
Hydnora abyssinica A.Braun ex Schweinf. Hydnoraceae Leaf CH2Cl2: MeOH DPPH 26.7 μg/mL Kenya [283]
Juniperus procera Hochst. ex Endl. Cupressaceae Aerial parts Oil DPPH 14.9 μL/mL Ethiopia [281]
Leucas glabrata (vahl)Sm. Lamiaceae Aerial parts Oil DPPH 10.4% at 100 ppm Tanzania [284]
Lippia adoensis Hochst. ex Walp. Verbenaceae Leaf Oil DPPH 2.2 μl/ml Ethiopia [285]
Lippia adoensis Hochst. ex Walp. Verbenaceae Aerial parts Oil DPPH 6.13 μL/mL Ethiopia [277]
Mangifera indica L. Anacardiaceae Leaf EtOH ORAC 5940 \( \mu \)MTE/\( \mu \)g Kenya [56]
Mentha aquatica L. Lamiaceae Leaf Oil DPPH 11.2 μl/ml. Ethiopia [286]
Ocimum americanum L. Lamiaceae Leaf EtOH ORAC 3190 \( \mu \)MTE/\( \mu \)g Kenya [56]
Ocimum americanum L. Lamiaceae Leaf CH2Cl2 DPPH 50.47% Kenya [287]
Ocimum americanum L. Lamiaceae Aerial parts Oil DPPH 16 μg/mL Ethiopia [288]
Ocimum basilicum L. Lamiaceae Aerial parts Oil DPPH 0.04 μL/mL Ethiopia [277]
Ocimum basillicum L. Lamiaceae Aerial parts Oil DPPH 60 μg/mL Ethiopia [288]
Ocimum gratissimum L. Lamiaceae Leaf EtOH ORAC 1594 \( \mu \)MTE/\( \mu \)g Kenya [56]
Plectranthus parviflorus Willd. Lamiaceae Aerial parts Oil DPPH 3.8% at 100 ppm Tanzania [284]
Psidium guajava L. Myrtaceae Leaf EtOH ORAC 3929 \( \mu \)MTE/\( \mu \)g Kenya [56]
Rubus apetalus Thunb. Rosaceae Leaf EtOH DPPH 12.3 μg/mL Ethiopia [289]
Rubus niveus Thunb. Rosaceae Leaf EtOH DPPH 19 μg/mL Ethiopia [289]
Rubus steudneri Schweinf. Rosaceae Leaf EtOH DPPH 6.5 μg/mL Ethiopia [289]
Salvia nilotica Jacq. Lamiaceae Leaf Oil DPPH 7.52 μg/mL Ethiopia [290]
Salvia nilotica Jacq. Lamiaceae Aerial parts Oil DPPH 76.2% at 100 ppm Tanzania [284]
Salvia schimperi Jansen, P.C.M. Lamiaceae Leaf Oil DPPH 6.79 μg/mL Ethiopia [290]
Satureja punctata (Beth.) Briq. Lamiaceae Aerial parts H2O DPPH 9.7 μg/mL Ethiopia [291]
Senna singueana (Delile) Fabaceae Leaf EtOH DPPH 6.16 μg/mL Ethiopia [292]
Solanum scabrum Mill. Solanaceae Leaf EtOH ORAC 2675 \( \mu \)MTE/\( \mu \)g Kenya [56]
Stephania abyssinica Quart. Dill & A. Rich. Menispermaceae Root EtOH DPPH 220 μg/mL Ethiopia [293]
Vernonia smithiana Less. Asteraceae Aerial parts Oil DPPH 6.6% at 100 ppm Tanzania [284]
Vigna unguiculata (L.) Walp. Fabaceae Leaf EtOH ORAC 1233 \( \mu \)MTE/\( \mu \)g Kenya [56]
Vitex payos (Lour.) Merr. Verbenaceae Fruit EtOH ORAC 179 \( \mu \)MTE/\( \mu \)g Kenya [56]
Zanthoxylum chalybeum Engl. Rutaceae Leaf EtOH ORAC 2414 \( \mu \)MTE/\( \mu \)g Kenya [56]
Zingiber officinale Roscoe. Zingiberaceae Rhizome Oil DPPH 9.66 μL/mL Ethiopia [277]
  1. Key: RSA radical scavenging activity, RC reducing power capacity, OH hydroxyl ion, NO nitric oxide radical inhibition, H 2 O 2 hydrogen peroxide inhibition activity, LPO lipid peroxidation inhibition activity, ABTS + 2,2′-azinobis-3–ethylbenzothiozolin-6–sulfonic acid cation decolourization test, ß-CLAMS ß-carotene-linoleic acid model system, SORSA superoxide anion radical scavenging activity (SORSA), MLP microsomal lipid peroxydation, FRAP fe2+ chelating ability and ferric reducing antioxidant properties, DPPH 1,1–dipheyl-2–picry-hydrazyl, ORAC oxygen radical absorbance capacity, TEAC trolox equivalent antioxidant capacity, MeOH methanol, CH 2 Cl 2 dichloromethane, EtOH ethanol, EtOAc ethyl acetate, n-C 6 H 12 hexane, (CH 3)2 CO acetone, H 2 O aqueous, BtOH butanol