Table 3.

Bioactive peptides derived from tuna.

Source	Extraction Site	Active Substance Name	Activity	Reference
Yellowfin tuna	Dark muscles	KPLSeCPK	α-glucosidase inhibition	[76]
Skipjack tuna	Flesh of fish	FQLSAER, GEVDDSIQE, YEAFVK, KSIDDVEE	Umami peptide	[77]
Bluefin tuna	Skin	GPSGGGYDV	DPP-IV inhibitory peptide	[78]
Bluefin tuna	Skeletal myosin	LADW, MEIDD, VAEQE, EEAEGT	Umami peptide	[79]
Yellowfin tuna	Trimmings	HIAEEADRK AEQAESDKK	Immunomodulatory peptide	[80]
Skipjack tuna	Muscles	ACECD	XODI peptide	[81]
Skipjack tuna	Skin	SJGAP	Antimicrobial peptide	[82]
Bluefin tuna	Skeletal myosin	EEAGGATAAQIEM	Antiviral peptide	[83]
Yellowfin tuna	Pancreas	LLDF	Ache inhibitory peptide	[84]
Skipjack tuna	Dark muscles	APP, PPP, DPLL, EAVP, EAIP	DPP-IV inhibitory peptide	[85]