Effect of Acid Modification on the Properties of Potato Starch Pastes and Starch Film

Abstract:

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The effect of acid modification using 1mol/L HCl on viscosity, thermal properties and mechanical properties of potato starch pastes and starch film were investigated. After acid modification, the surface of starch granules did not show more roughness and viscosity of starch pastes become lower. The results of DSC indicated that acid should act on amorphous region of starch firstly and would act on the crystallization region with the longer treatment time. In the very close viscosity scope, the mechanical properties of starch films were increased obviously after acid modification.

Info:

Periodical:

Advanced Materials Research (Volumes 287-290)

Edited by:

Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li

Pages:

2648-2651

DOI:

10.4028/www.scientific.net/AMR.287-290.2648

Citation:

W. Y. Wang et al., "Effect of Acid Modification on the Properties of Potato Starch Pastes and Starch Film", Advanced Materials Research, Vols. 287-290, pp. 2648-2651, 2011

Online since:

July 2011

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Price:

$35.00

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