GC-MS analysis of Eucalyptus citriodora leaf extract and its role on the dietary supplementation in transgenic Drosophila model of Parkinson's disease

► Effect of E. citriodora extract was studied on PD model flies. ► GC-MS analysis reveals the presence of nine major compounds. ► Delay in the loss of climbing ability in PD model flies was observed. ► Extract reduced the oxidative stress in brain of PD model flies.