Fish protein hydrolysates: Proximate composition, amino acid composition, antioxidant activities and applications: A review

► We have reviewed fish protein hydrolysates (FPHs) prepared from various fish species. ► Proximate compositions of various fish protein hydrolysates have been summarized. ► Amino acid compositions of several fish protein hydrolysates were reviewed. ► FPHs exhibited excellent antioxidant activities in different in vitro models. ► Application of FPHs in human nutrition and aquaculture feeds was reviewed.