Synthesis of polylactic acid initiated through biobased antioxidants: Towards intrinsically active food packaging
Visualitza/Obre
Autor/a
Ortenzi, Marco Aldo
Gazzotti, Stefano
Antenucci, Stefano
Camazzola, Stefano
Piergiovanni, Luciano
Farina, Hermes
Di Silvestro, Giuseppe
Verotta, Luisella
Data de publicació
2020-05-21ISSN
2073-4360
Resum
Polylactide (PLA)-based polymers, functionalized with biobased antioxidants, were synthesized, to develop an intrinsically active, biobased and potentially biodegradable material for food packaging applications. To achieve this result, phenolic antioxidants were exploited as initiators in the ring opening polymerization of l-lactide. The molecular weight, thermal properties and in vitro radical scavenging activity of the polymers obtained were compared with the ones of a PLA Natureworks 4043D, commonly used for flexible food packaging applications. The most promising synthesized polymer, bearing vanillyl alcohol as initiator (PLA-VA), was evaluated for active food packaging applications. Packaging with PLA-VA films reduced color and fat oxidation of salami during its shelf life.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
663/664 - Aliments i nutrició. Enologia. Olis. Greixos
Pàgines
13
Publicat per
MDPI
Publicat a
Polymers
Citació
Ortenzi, Marco Aldo, Stefano Gazzotti, Begonya Marcos, Stefano Antenucci, Stefano Camazzola, Luciano Piergiovanni, Hermes Farina, Giuseppe Di Silvestro, and Luisella Verotta. 2020. "Synthesis Of Polylactic Acid Initiated Through Biobased Antioxidants: Towards Intrinsically Active Food Packaging". Polymers 12 (5): 1183. MDPI AG. doi:10.3390/polym12051183.
Programa
Qualitat i Tecnologia Alimentària
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