Data/hora: 08/06/2024 17:21:30

Provedor de dados: | 52
País: | Brazil
Título: | Influence of Ionizing Radiation on Biodegradable Foam Trays for Food Packaging Obtained from Irradiated Cassava Starch
Autores: | Brant,Antônio Jedson Caldeira; Naime,Natália; Lugão,Ademar Benévolo; Ponce,Patrícia.
Data: | 2018-01-01
Ano: | 2018
Palavras-chave: | Biodegradable foam; Cassava starch; Food packaging; Ionizing radiation.
Resumo: | ABSTRACT Biodegradable polymers, such as starch, cellulose, and derivatives thereof, are being studied to produce innovative packaging in the most diverse shapes (films, bags, trays, bottles, etc.) to attend this current market trend. The aim of this work was to produce foam trays from cassava starch for food packaging via extrusion followed by thermoforming process. Their formulations were based on unirradiated and γ-irradiated starches at diverse radiation absorbed doses (in kGy) in order to evaluate the influence of the irradiated starches on the physical properties of the trays. Water absorption results showed an irregular increase with the increase of the absorbed dose ( for example, 26.32% and 39.84% for the trays based on unirradiated starch 0 kGy and 1:1 (w/w) mixture of starches 0 kGy and 100.0 kGy, respectively). Other physicochemical properties were evaluated from the starches utilized and the trays obtained. Aerobic biodegradation of the foams by mass loss also was checked in soil burial test.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132018000100604
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/1678-4324-2018160520
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.61 2018
Fonte: | info:eu-repo/semantics/openAccess