Effects of Edible Coatings on the Moisture Content and Lipid Oxidation of Pink Salmon (Oncorhynchus gorbuscha) Fillets during Three Months of Frozen Storage

Abstract

The effects of a variety of edible coatings, cooked arrowtooth flounder coating (AFC), hydrolysed arrowtooth flounder protein (AFH), acid solubilized arrowtooth flounder protein (AFP), soy protein (SP), whey protein (WP) and non-coated fillets as control (NC) on the biochemical and physical changes in pink salmon fillets stored at - 30o C were evaluated in this study. The AFC and AFH coatings significantly reduced the relative moisture loss (RML) of the fillets, while the thiobarbituric reactive substance (TBARS) assays for AFH and SP were significantly lower than in treatments. The AFP significantly increased coating yield as well as the moisture content of cooked fillets. This study demonstrated the efficacy of arrowtooth flounder protein coatings as a means of maintaining fish fillet quality.