Optimization, chemical constituents and bioactivity of essential oil from Iberis amara seeds extracted by ultrasound-assisted hydro-distillation compared to conventional techniques

•Ultrasonic hydrodistillation extraction of essential oil from Iberis amara seeds was done.•Extraction parameters were optimized by response surface methodology.•The chemical profile of the obtained essential oil was compared with traditional methods.•Essential oil of Iberis amara seeds demonstrated good bioactive properties.