Ọkpụkpụ ụmị ọkpụkpụ peptide ntụ ntụ bụ obere ihe mgbakwunye nri peptide molecule nke nwere ịdị arọ molekụla nke na-erughị 1000 Daltons, nke a na-ewepụta site na ọkpụkpụ ọhụrụ nke ehi site na ngwepịa, bio-enzymatic hydrolysis, ịdị ọcha, itinye uche, ihicha centrifugal, yana obere mkpụrụ ndụ. ịdị arọ, ọrụ siri ike, na ahụ mmadụ na-etinye ya ngwa ngwa ma jiri ya mee ihe. Ọ nwere ụdị nri dị iche iche, ihe na-eto eto na peptides bioactive, a na-ewerekwa na ọ nwere uru ahụike. A na-ewerekarị ya n'ụdị mgbakwunye ihe oriri na-edozi ahụ ma na-akwalite ya maka ikike ya iji nyere ọkpụkpụ na nkwonkwo aka.