Table 2.

Minerals and peptides carrying minerals from seafood wastes, together with taxa, species and tissue from which they were isolated, and their biotechnological application.

Taxa	Species	Tissue	Product	Biological Activity/ Nutraceutical Application	Reference
Fish	Johnius belengerii, Thunnus thynnus	Skeletons	Phosphopeptide	Potential calcium-binding activity/food supply	[87]
Bivalve	N/A	Shell	Calcium	Food supplement	[88]
Bivalve	N/A	Shell	Calcium, iron, zinc and phosphorus	Food supplement	[89]
Fish	Gadus chalcogrammus	Skin	Peptides	Iron-chelating/food supply	[94]
Brown alga	Laminaria japonica	NA	Minerals	Antioxidant	[98]