期刊
FOOD HYDROCOLLOIDS
卷 60, 期 -, 页码 128-137出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodhyd.2016.03.023
关键词
Lotus rhizome starch; Whey protein concentrate; Psyllium husk; FTIR; DSC; XRD
资金
- Ministry of Human Resource Development, India
The present study aimed at developing and characterizing biodegradable films produced by casting technique using lotus rhizome starch (3%, 4% and 5% starch concentration) along with whey protein concentrate and psyllium husk. Physicochemical, barrier, optical, mechanical, thermal and surface properties of novel composite biodegradable film developed using blend of lotus rhizome starch, whey protein concentrate and psyllium husk were found better than lotus rhizome starch alone. Composite biodegradable film presented higher tensile strength, lower water vapor permeability (WVP) and solubility as compared to lotus rhizome starch films. Scanning electron microscopy (SEM) and cross-sectional morphology revealed homogeneous, smooth surface of composite film in comparison to lotus starch films. Differential scanning calorimeter (DSC), X-ray diffractogram (XRD) and Fourier transform infrared spectroscopy (FTIR) analysis confirmed thermal stability, amorphous character and miscibility of different components of composite biodegradable film. These studies demonstrated that the developed composite film possessed important and improved characteristics such as solubility, WVP, tensile strength, % elongation and therefore have potential as packaging film. (C) 2016 Elsevier Ltd. All rights reserved.
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