Transparent, flexible, and eco-friendly starch-based films for reversible optoelectronic noses for food spoilage monitoring in smart packaging

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Uberlândia (UFU)-
Autor(es): dc.creatorRoveda, Antonio Carlos-
Autor(es): dc.creatorDias, Bárbara Cristina-
Autor(es): dc.creatorPassini, Luan N.-
Autor(es): dc.creatorManzani, Danilo-
Autor(es): dc.creatorPetruci, João Flávio da Silveira-
Data de aceite: dc.date.accessioned2025-08-21T19:06:43Z-
Data de disponibilização: dc.date.available2025-08-21T19:06:43Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s00604-024-06426-w-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/304649-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/304649-
Descrição: dc.descriptionA reversible optoelectronic nose is presented consisting of ten acid-base indicators incorporated into a starch-based film, covering a wide pH range. The starch substrate is odorless, biocompatible, flexible, and exhibits high tensile resistance. This optical artificial olfaction system was used to detect the early stages of food decomposition by exposing it to the volatile compounds produced during the spoialge process of three food products (beef, chicken, and pork). A smartphone was used to capture the color changes caused by intermolecular interactions between each dye and the emitted volatiles over time. Digital images were processed to generate a differential color map, which uses the observed color shifts to create a unique signature for each food product. To effectively discriminate among different samples and exposure times, we employed chemometric tools, including hierarchical cluster analysis (HCA) and principal component analysis (PCA). This approach detects food deterioration in a practical, cost-effective, and user-friendly manner, making it suitable for smart packaging. Additionally, the use of starch-based films in the food industry is preferable due to their biocompatibility and biodegradability characteristics. Graphical abstract: (Figure presented.)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)-
Descrição: dc.descriptionSão Carlos Institute of Chemistry - IQSC University of São Paulo - USP, SP-
Descrição: dc.descriptionInstitute of Geosciences and Exact Sciences São Paulo State University - UNESP, SP-
Descrição: dc.descriptionInstitute of Chemistry Federal University of Uberlândia, MG-
Descrição: dc.descriptionInstitute of Geosciences and Exact Sciences São Paulo State University - UNESP, SP-
Descrição: dc.descriptionFAPESP: 2021/13985-1-
Descrição: dc.descriptionCNPq: 403929/2021-0-
Descrição: dc.descriptionFAPEMIG: APQ-00196-22-
Idioma: dc.languageen-
Relação: dc.relationMicrochimica Acta-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectColorimetric sensor array-
Palavras-chave: dc.subjectFood spoilage-
Palavras-chave: dc.subjectOptoelectronic nose-
Palavras-chave: dc.subjectStarch films-
Título: dc.titleTransparent, flexible, and eco-friendly starch-based films for reversible optoelectronic noses for food spoilage monitoring in smart packaging-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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