Czech J. Food Sci., 2016, 34(2):111-117 | DOI: 10.17221/300/2015-CJFS
Carp proteins as a source of bioactive peptides - an in silico approachFood Chemistry and Safety
- Department of Food Biochemistry, Faculty of Food Science, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
In silico prediction methods and tools were used to determine whether bioactive peptides are hidden in the amino acid sequences of carp (Cyprinus carpio) proteins and whether they can be released after gastric, duodenal, and gastro-duodenal in silico digestion. Fragments with 15 types of biological activity in intact proteins and, after gastrointestinal digestion, with 11 types of activity were identified. Angiotensin I-converting enzyme inhibitory (ACEi) and antioxidant peptides were the most predominant fragments of proteins in the group of intact proteins and in silico digests. After in silico digestion the highest number of sequences with ACEi activity (108) and antioxidant activity (13) was released after gastro-duodenal digestion of the myosin heavy chain.
Keywords: biological activity; bioinformatics; BIOPEP; fish; databases; proteolysis
Published: April 30, 2016 Show citation
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