Abstract:
:This study reports the effects on antimicrobial, antioxidant, migration and disintegrability activities of ternary nanocomposite films based on poly(lactic acid) incorporating two biobased nanofillers, (cellulose nanocrystals (CNC) and lignin nanoparticles (LNP)), in two different amounts (1 and 3% wt.). Results from antimicrobial tests revealed a capacity to inhibit the Gram negative bacterial growth of Xanthomonas axonopodis pv. vesicatoria and Xanthomonas arboricola pv. pruni along the time, offering innovative opportunities against dangerous bacterial plant pathogens. LNP proved to be highly efficient in antioxidation activity, based on the disappearance of the absorption band at 517nm of the free radical, 2,2-diphenyl-1-picrylhydrazyl (DPPH) upon reduction by an antiradical compound; moreover the combination of LNP and CNC generates a synergistic positive effect in the antioxidation response of PLA ternary films. Furthermore, all the studied formulations showed a disintegrability value up to 90% after 15days of incubation in composting conditions. Migration results showed that the films can be considered suitable for application in food packaging field.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Yang W,Fortunati E,Dominici F,Giovanale G,Mazzaglia A,Balestra GM,Kenny JM,Puglia Ddoi
10.1016/j.ijbiomac.2016.04.068subject
Has Abstractpub_date
2016-08-01 00:00:00pages
360-8eissn
0141-8130issn
1879-0003pii
S0141-8130(16)30376-2journal_volume
89pub_type
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