The exploration of cucumber waste as a potential biorefinery feedstock is reported. Initially, extractives (essential oils) were isolated from via vacuum microwave hydro-distillation (VMHD). yield and quality the extractive compared with respect to traditional (HD). essential oils obtained over range power (500, 750, 1000 W) pressures (100, 200, 300 mbar). highest (0.49 wt %) was at irradiation...