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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

New strategies to fabricate starch/chitosan-based composites by extrusion

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Rodriguez Llanos, Jaiber Humberto [1] ; Tadini, Carmen Cecilia [2, 3] ; Gastaldi, Emmanuelle [4]
Total Authors: 3
[1] Univ Sao Paulo, Fac Anim Sci & Food Engn, Dept Food Engn, Fernando Costa Campus, BR-13635900 Pirassununga, SP - Brazil
[2] Univ Sao Paulo, FoRC NAPAN Food Res Ctr, Sao Paulo, SP - Brazil
[3] Univ Sao Paulo, Dept Chem Engn, Escola Politecn, Main Campus, BR-05508010 Sao Paulo, SP - Brazil
[4] Montpellier SupAgro Univ Montpellier, INRA, CIRAD, UMR IATE, F-34070 Montpellier - France
Total Affiliations: 4
Document type: Journal article
Source: Journal of Food Engineering; v. 290, FEB 2021.
Web of Science Citations: 4

In this study, the impact of nanofillers on the performance of starch/chitosan composites produced by extrusion was investigated. Blends from three different proportions of starch/chitosan were produced and, for each blend, three different filler concentrations were tested. The natural -Na+ montmorillonite (Mt) and bamboo fibers were used as fillers. The composites were obtained using a twin-screw extruder from homo and nanostructured masterbatch pellets. The films were characterized concerning surface, mechanical, barrier, and thermal properties, as well as morphology and molecular changes. The results showed that the incorporation of Mt or bamboo fibers exhibited high water vapor barrier: films produced from only starch structured with 0.5 g Mt/100 g presented water vapor transmission of (4.9 +/- 1.3) g/h m(2), whereas films produced from starch/chitosan blend at proportion 75/25 structured with 1.0 g Mt/100 g presented (8.9 +/- 0.5) g/h m(2). Therefore, these materials showed competitiveness for their application to food packaging. (AU)

FAPESP's process: 16/18157-1 - Nanostructured biopolymer blends obtained by the extrusion method: development, characterization and application
Grantee:Jaiber Humberto Rodriguez Llanos
Support type: Scholarships abroad - Research Internship - Doctorate
FAPESP's process: 13/07914-8 - FoRC - Food Research Center
Grantee:Bernadette Dora Gombossy de Melo Franco
Support type: Research Grants - Research, Innovation and Dissemination Centers - RIDC
FAPESP's process: 14/01100-1 - Evaluation of bionanocomposites blends for production of films by extrusion
Grantee:Jaiber Humberto Rodriguez Llanos
Support type: Scholarships in Brazil - Doctorate