Nā peptides kukama kaie nānā i nā peptides ikaika me nā hana physiological kūikawā i unuhi ʻia mai nā kukama kai, nā peptides liʻiliʻi i haku ʻia me 2-12 amino acids a i ʻole peptides me ke kaumaha molekala nui.
ʻO nā peptides kukama kai e pili ana i nā hydrolysates protein o nā peptides liʻiliʻi-mole a me ka noho pū ʻana o nā mea hana he nui i loaʻa ma hope o ka hydrolysis protease a me ka hoʻomaʻemaʻe ʻana i nā kukama kai hou. Ua hōʻike ʻia ma ka moʻolelo ʻo ka liʻiliʻi o ka hoʻohana pono ʻana o ka protein sea cucumba ma lalo o 20%.Ma muli o ka nui o ka collagen a me ka hopena o ka collagen, ua paʻakikī ka hoʻomoʻa ʻana a me ka hoʻomoʻa ʻana o ka protein i ke kai, a ʻoi aku ka maʻalahi o nā peptides biologically active e ke kino.Me nā hiʻohiʻona o ka solubility maikaʻi a me ka paʻa, no laila, ʻo ka hoʻololi ʻana i ka protein kukama kai i loko o ka peptide kukama kai ke ala nui e hoʻohana pono ai.