Determination of the antioxidant propyl gallate in meat by using a screen-printed electrode modified with CoSe nanoparticles and reduced graphene oxide.

A voltammetric sensor is described for the quantitation of propyl gallate (PG). A screen-printed carbon electrode (SPCE) was modified with reduced graphene sheets that were decorated with cobalt diselenide nanoparticles (CoSe@rGO). The material was hydrothermally prepared and characterized by several spectroscopic techniques.