Table 1
ACE inhibitory activity peptides purified from fish skin hydrolysates

Species	IC₅₀ (μM)	Peptide sequence	Reference
Nile tilapia (Oreochromis niloticus)	760–1490	GIV, GAPGF, GFAGPA, SGNIGFPGPK, GIPGPIGPPGRP	Thuanthong et al. (2017)
Pacific cod skin	6.9	GASSGMPG	Ngo et al. (2016)
Pacific cod skin	14.5	LAYA	Ngo et al. (2016)
Thornback ray skin	27.9	GIPGAP	Lassoued et al. (2015)
Thornback ray skin	170	APGAP	Lassoued et al. (2015)
Skate	3.09	MVGSAPGVL	Ngo et al. (2014b)
Skate	4.22	LGPLGHQ	Ngo et al. (2014b)
Salmon (Oncorhynchus keta)	8.7	GLPLNLP	Lee et al. (2014)
Skate	95	PGPLGLTGP	Lee et al. (2011)
Skate	148	QLGFLGPR	Lee et al. (2011)
Alaska pollock	2.6	GPL	Byun and Kim (2002)
Alaska pollock	17.13	GPM	Byun and Kim (2002)
Cod (Gadus microcephalus)	–	TCSP, TGGGNV	Ngo et al. (2011)