Active antifungal edible coating based on nanocomposite cast films from galactomannan.

dc.contributorGUSTAVO PEREIRA GOMES DE SOUZA, UFPE; DIRLIANE DO SANTOS DUARTE, UNIVASF; ANA VALERIA VIEIRA DE SOUZA, CPATSA; PEDRO MARTINS RIBEIRO JUNIOR, CPATSA; MARIA AUXILIADORA COELHO DE LIMA, CPATSA; DOUGLAS DE BRITTO, CPATSA.
dc.creatorSOUZA, G. P. G. de
dc.creatorDUARTE, D. do S.
dc.creatorSOUZA, A. V. de
dc.creatorRIBEIRO JUNIOR, P. M.
dc.creatorLIMA, M. A. C. de
dc.creatorBRITTO, D. de
dc.date2022-12-05T13:01:25Z
dc.date2022-12-05T13:01:25Z
dc.date2022-12-05
dc.date2023
dc.date.accessioned2023-09-05T01:59:55Z
dc.date.available2023-09-05T01:59:55Z
dc.identifierInternational Journal Postharvest Technology and Innovation, 2023.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1149181
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8633709
dc.descriptionGalactomannan is a filmogenic polysaccharide suitable for edible coatings. The addition of nanoencapsulated active ingredients improves its antifungal activity. In this way, nanocomposite materials were developed based on galactomannan and anoencapsulated essential oil and polyphenols, extracted, respectively from Lippia grata and grape skin by-products. The size of chitosan nanoparticles increased after encapsulation, varying from 42 ± 24 to 295 ± 0 nm for polyphenols. Overall, the nanoparticle suspension was stable, with encapsulation efficiency close to 20% for the essential oil and 90% for polyphenols. Nanocomposite films were isolated by casting and characterized by scanning electron microscopy (SEM), infrared spectroscopy (FTIR), water vapour permeability, mechanical properties, release profile, and antifungal activity. By SEM, the films showed good nanoparticle dispersion in the matrix and improved mechanical properties compared to the non-added film. The sample based on essential oil showed good antifungal activity against Lasiodiplodia theobromae. Such properties make these films adequate for postharvest coating applications.
dc.descriptionOn-line
dc.languageIngles
dc.languageen
dc.rightsopenAccess
dc.subjectRevestimento comestível
dc.subjectFilme comestível
dc.subjectGoma de algaroba
dc.subjectEncapsulamento
dc.subjectQuitosana
dc.subjectNanopartícula
dc.subjectÓleo Essencial
dc.subjectEdible films
dc.subjectMesquite gum
dc.subjectEssential oils
dc.subjectEncapsulation
dc.titleActive antifungal edible coating based on nanocomposite cast films from galactomannan.
dc.typeArtigo de periódico


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