Voltammetric Sensing Of E,E-Dienestrol In Fish Tissue By Combining A Cathodically Pretreated Boron-Doped Diamond Electrode And Quechers Extraction Method

•Cathodically pretreated BDD electrode is effective to detect E,E-dienestrol.•Theoretical and experimental data show high estrogen reactivity in acid conditions.•QuEChERS extracts are useful for monitoring E,E-dienestrol residues in fish tissue.•The proposed voltammetric procedure is promising in food quality field.