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Antioxidant, ACE-Inhibitory, and Antimicrobial Activities of Peptide Fractions Obtained From Dried Giant Squid Tunics

AuthorsMosquera, Mauricio ; Giménez, Begoña ; Ramos, Sonia ; López Caballero, M. E. ; Gómez Guillén, M. C. ; Montero García, Pilar
Squid tunic hydrolysates
Issue Date2016
PublisherTaylor & Francis
CitationJournal of Aquatic Food Product Technology 25: 444- 455 (2016)
AbstractSquid 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.
Identifiersdoi: 10.1080/10498850.2013.819543
issn: 1547-0636
Appears in Collections:(ICTAN) Artículos
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