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TitleBanana starch nanocomposite with cellulose nanofibers isolated from banana peel by enzymatic treatment: In vitro cytotoxicity assessment
Author(s)Tibolla, H.
Pelissari, F. M.
Martins, Joana T.
Lanzoni, E. M.
Vicente, A. A.
Menegalli, F. C.
Cunha, R. L.
KeywordsStarch composite
Cellulose nanofibers
Enzymatic hydrolysis
Nanofiber cytotoxicity
Issue dateMar-2019
JournalCarbohydrate Polymers
CitationTibolla, H.; F. M. Pelissari; Martins, Joana T.; Lanzoni, E. M.; Vicente, António A.; Menegalli, F. C.; Cunha, R. L., Banana starch nanocomposite with cellulose nanofibers isolated from banana peel by enzymatic treatment: In vitro cytotoxicity assessment. Carbohydrate Polymers, 207, 169-179, 2019
Abstract(s)The potential use of cellulose nanofibers (CNFs) as a reinforcing agent in banana starch-based nanocomposite films was investigated. CNFs were isolated from banana peel (Musa paradisiaca) by enzymatic hydrolysis. Banana starch-based nanocomposite films were prepared with CNFs using the casting method. CNFs effect on cell viability and on nanocomposite films properties was investigated. The cytotoxicity of CNFs was assessed on Caco-2 cell line. CNFs were not cytotoxic at 502000??g/mL. However, CNFs above 2000??g/mL significantly decreased cell viability. Topography analysis showed that the incorporation of CNFs modified the film structure. The nanocomposites exhibited a complex structure due to strong interactions between CNFs and starch matrix, promoting a remarkable improvement on mechanical and water barrier properties, opacity and UV light barrier compared to the control film. CNFs can offer a great potential as reinforcing material for starch-based nanocomposite films, producing a value-added food packaging from a waste material.
Publisher version
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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