期刊
CARBOHYDRATE POLYMERS
卷 151, 期 -, 页码 1132-1138出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2016.06.081
关键词
Microbial FOSs; Prebiotic; Edible films; Barrier properties; Mechanical properties
The objectives of this work were to produce fructooligosaccharides (FOSs) by using the microorganism Bacillus subtilis natto CCT 7712 and to employ these FOSs as a functional ingredient in cassava starch edible films, which were characterized according to their microstructure, mechanical and barrier properties. The produced FOSs could be easily dissolved, resulting in homogeneous filmogenic solutions, which were easily manipulated to obtain films by casting. FOSs were added in different concentrations (0, 1, 5 and 10 g/100 g solids), and glycerol was used as a plasticizer (20 g/100 g solids). All formulations resulted in films that had a good appearance and were easily removable from the plates without bubbles or cracks. The FOSs exerted a plasticizing effect on the starch films and decreased their glass transition temperature. The addition of FOSs resulted in higher solubility and elongation and a decreased water vapor permeability of the films. FOSs were shown to be a promising ingredient for use in edible starch films. (C) 2016 Elsevier Ltd. All rights reserved.
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