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Table 2 Percentage yield and antioxidant activity of thirteen South African plant extracts used for antibacterial activity

From: The antibacterial activity, antioxidant activity and selectivity index of leaf extracts of thirteen South African tree species used in ethnoveterinary medicine to treat helminth infections

Plant species % Yield EC50DPPH TEAC
Heteromorpha trifoliata 3.3 4.36 0.2
Indigofera frutescens 0.8 0 0.5
Zanthoxylum capense 1.6 4.0 0.4
Milletia grandis 1.3 4.6 0.6
Brachylaena discolor 6.1 2.6 0.2
Clerodendrum glabrum 3.8 3.5 0.5
Strychnos mitis 2.8 3.5 0.3
Cyathea dregei 2.1 3 0.4
Apodytes dimidiata 6.3 3.5 0.3
Melia azedarach 2.3 3.3 0.8
Clausena anisata 3.4 2.5 0.2
Maesa lanceolata 2.5 1.4 1.2
Leucosidea sericea 1.2 0.0 0.7
  1. EC50 concentration that leads to 50% reduction in DPPH activity (the lower the value the higher the activity), TEAC Trolox equivalent antioxidant assay. Activity compared to trolox (the higher the value the higher the activity).