Abstract
The purification and recovery of bioactive compounds in food and food waste has been a growing topic within the literature. One of the most used techniques for these processes is through the application of macroporous polymeric resins (MPRs). MPRs have high adsorption and desorption capacities for substances such as polyphenols and sugars that are present in extracts and industrial effluents. There are currently several resins on the market (copolymers of styrenedivinylbenzene, acrylic, sulfonic, or cyanamide); however, a lack of information in the literature regarding the efficiency of analyte recovery and the different physicochemical characteristics of the MPRs means that no broad correlations have been made. Upon compiling the information gained from a comprehensive bibliographic review, using databases such as ScienceDirect and Web of Science, it was possible to classify the different types of resins. In addition, this review will discuss the use of isothermal equations (Langmuir and Freundlich) in experimental data, which can provide quantitative and qualitative parameters of the processes involving the analyte and the MPR.
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