Peptides that inhibit angiotensin converting enzyme and peptides with antioxidant activity purified from ovotransferrin and methods of producing and using the same

Abstract

Described herein are methods of identifying and releasing bioactive peptides from ovotransferrin The method involves (a) contacting ovotransferrin with a reducing agent, a sonication step, a high pressure processing step, a heating step, a fermentation step, or any combination thereof, and (b) contacting the ovotransferrin after step (a) with a hydrolytic enzyme to produce bioactive peptides that exhibit angiotensin converting enzyme inhibitory activity or antioxidant activity when compared to the parent protein. The bioactive peptides may be added to foodstuffs, a medication, or to any potable, ingestible, or edible compositions.

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