alexa Characterisation of corn starch-based films reinforced with taro starch nanoparticles.


Journal of Food Processing & Technology

Author(s): Dai L, Qiu C, Xiong L, Sun Q

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Abstract Taro starch nanoparticles (TSNPs) obtained by hydrolysis with pullulanase and the recrystallisation of gelatinised starch were used as reinforcing agents in corn starch films. The influence of TSNPs contents (0.5-15\%) on the physical, mechanical, thermal, and structural properties of starch films was investigated. An increase in the concentration of TSNPs led to a significant decrease in the water vapour permeability (WVP) of films. The addition of TSNPs increased the tensile strength (TS) of films from 1.11 MPa to 2.87 MPa. Compared with pure starch films, the surfaces of nanocomposite films became uneven. The onset temperature (To) and melting temperature (Tm) of films containing TSNPs were higher than those of pure starch films. The addition of TSNPs improved the thermal stability of starch films. Copyright © 2014 Elsevier Ltd. All rights reserved. This article was published in Food Chem and referenced in Journal of Food Processing & Technology

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