Food related applications of magnetic iron oxide nanoparticles: Enzyme immobilization, protein purification, and food analysis

Magnetic iron oxide nanoparticles have been used in various fields owing to their unique properties including large specific surface area and simple separation with magnetic fields. For food related applications, they have been used for enzyme immobilization, protein purification, and food analysis. This review summarizes the basic principles and achievements of magnetic iron oxide nanoparticles in enzyme immobilization, protein purification and food analysis. Their indispensable contribution to food engineering has been also evaluated.

► Magnetic nanoparticles as good carriers for enzyme immobilization.
► Magnetic nanoparticles based protein separation/purification.
► Magnetic nanoparticles integrated food detection and analysis techniques.