Antioxidant activity of extracts obtained from residues of nodes leaves stem and root of Egyptian Jatropha curcas

The Egyptian Jatropha crop has been studied for antioxidant activity in ethanol extracts from roots, stem, leaves and nodes. The radical scavenging activity of ethanolic extracts was evaluated with the stable diphenylpicryl-hydrazyl (DPPH) free radical. The antioxidant capacity of the studied organs have been revealed the roots and stem were the strongest in all tests followed by leaves and nodes were the least. All the extracts showed radical...