Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/56334

TitleBacterial cellulose nanofiber-based films incorporating gelatin hydrolysate from tilapia skin: production, characterization and cytotoxicity assessment
Author(s)Lima, Helder Levi Silva
Gonçalves, Catarina
Cerqueira, Miguel Ângelo
do Nascimento, Elégenes Sampaio
Gama, F. M.
Rosa, Morsyleide F.
Borges, Maria de Fátima
Pastrana, Lorenzo Miguel
Brígida, Ana Iraidy Santa
KeywordsBiocomposite
Antioxidant
Plasticizer
Bioactive film
Cashew apple juice
Gelatin hydrolysate
Issue dateOct-2018
PublisherSpringer
JournalCellulose
CitationLima, Helder Levi Silva; Gonçalves, Catarina; Cerqueira, Miguel Ângelo; do Nascimento, Elégenes Sampaio; Gama, F. M.; Rosa, Morsyleide F.; Borges, Maria de Fátima; Pastrana, Lorenzo Miguel; Brígida, Ana Iraidy Santa, Bacterial cellulose nanofiber-based films incorporating gelatin hydrolysate from tilapia skin: production, characterization and cytotoxicity assessment. Cellulose, 25(10), 6011-6029, 2018
Abstract(s)In this work, films based on bacterial cellulose nanofibers (BCNFs) incorporating gelatin hydrolysate (GH) from tilapia skin were produced. The effect of plasticizer (sorbitol or glycerol) and GH incorporation was evaluated on the physicalchemical and optical properties of films. BCNFs were produced using bacterial cellulose obtained from Hestrin and Schramm (HS) medium (BCNF-HS) or cashew apple juice (BCNF-CM), which was studied as an alternative to HS. Films with sorbitol showed the best properties and were selected for further characterization, using 40% (w/w) of BCNF-HS, 40% (w/w) of GH and 20% (w/w) of sorbitol (BCNF-HS-S-GH films). These films exhibited an antioxidant activity of 7.8 µmols Trolox Eq/g film, a water vapor permeability (WVP) of 1.6 g.mm/kPa.h.m2 and an Youngs modulus of 0.57 GPa. Films produced with BCNFs obtained from cashew apple juice revealed enhanced tensile strength, elongation at break, and thermal stability. Caco-2 cells viability after incubation with BCNF-based films incorporating GH was evaluated and showed non-cytotoxicity, reinforcing the safety of the developed materials and their potential use in food applications.
TypeArticle
URIhttp://hdl.handle.net/1822/56334
DOI10.1007/s10570-018-1983-0
ISSN0969-0239
Publisher versionhttp://www.springer.com/chemistry/organic+chemistry/journal/10570
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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