Antioxidant, ACE-inhibitory, and antimicrobial activities of peptide fractions obtained from dried giant squid tunics
Squid tunics were divided in two batches: freeze-dried and air-dried. Dried squid tunics were directly hydrolyzed with pepsin, Alcalase, and Esperase. Freeze-dried tunics showed better aptitude for hydrolysis than air-dried tunics. Pepsin showed the lowest efficiency in protein breakdown and gave hydrolysates with low antioxidant activity, whereas Alcalase and Esperase peptide fractions showed strong radical scavenging ability, ACE-inhibitory activity, and noticeable antimicrobial properties. B. cereus, B. coagulans, and D. hansenii were found to be the most sensitive bacteria. Dried squid tunics proved to be an alternative to a previously extracted gelatin for obtaining bioactive peptides.
Main Authors: | , , , , , |
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Format: | artículo biblioteca |
Published: |
Taylor & Francis
2016
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Subjects: | ACE-inhibitory, ABTS, Squid tunic hydrolysates, Antimicrobial, |
Online Access: | http://hdl.handle.net/10261/140054 |
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