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Biodegradable films produced with ozone-modified cassava starch reinforced with nanocellulose

Grant number: 18/24291-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2019
Effective date (End): March 31, 2020
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal Investigator:Carla Ivonne La Fuente Arias
Grantee:Andressa Tamyris de Souza
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Due to the increase in market demands for conscious consumption, a search for sustainable packaging in industries has been observed. These kinds of packages can be produced from native starches; among them, cassava starch is promising because of its high availability and relatively low price, as well as for being an environmentally renewable source. Moreover, starch modification is used to enhance the characteristics of its native form, which is limited by nature. Studies using ozone technology to modify starches extracted from different sources have shown effectiveness in changing their mechanical and thermal properties, due to its strong oxidizing power. Therefore, they might produce films with improved characteristics. Still, the addition of nanocomposites to plastic films promotes a potential to improve characteristics related to traction, permeability, and structure. However, the use of these ozone-modified, nanocomposites combined starches for the development of biodegradable films has not been studied yet. Thus, this project intends to study the production and characterization of biodegradable films, produced from ozone modified cassava starch combined with cellulose nanocomposites, with potential use as packaging in the food industry. This study is part of the post-doctoral research project FAPESP 2017 / 05307-8 entitled "Production and characterization of biodegradable films produced from ozone-modified cassava starch combined with nanocomposites".

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LA FUENTE, CARLA I. A.; DE SOUZA, ANDRESSA TAMYRIS; TADINI, CARMEN C.; DUARTE AUGUSTO, PEDRO ESTEVES. Ozonation of cassava starch to produce biodegradable films. International Journal of Biological Macromolecules, v. 141, p. 713-720, . (18/24291-8, 16/18052-5, 17/05307-8)
LA FUENTE, CARLA I. A.; DE SOUZA, ANDRESSA TAMYRIS; TADINI, CARMEN C.; AUGUSTO, PEDRO ESTEVES DUARTE. A New Ozonated Cassava Film with the Addition of Cellulose Nanofibres: Production and Characterization of Mechanical, Barrier and Functional Properties. JOURNAL OF POLYMERS AND THE ENVIRONMENT, v. 29, n. 6, . (17/05307-8, 18/24291-8)

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