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Dr. Ibrahim Abdelghafar Elsayed Khalifa :: Publications:

Title:
Effect of persimmon tannin on the physicochemical properties of maize starch with different amylose/amylopectin ratios
Authors: Jing Du, Fen Yao, Mengying Zhang, Ibrahim Khalifa, Kaikai Li, Chunmei Li
Year: 2019
Keywords: Tannins
Journal: International journal of biological macromolecules
Volume: 132
Issue: Not Available
Pages: 1193-1199
Publisher: Elsiver
Local/International: International
Paper Link:
Full paper Not Available
Supplementary materials Not Available
Abstract:

The effects of persimmon tannin (PT) on the physicochemical properties of maize starch with different amylose/amylopectin ratios were studied. The results showed that PT remarkably altered the physicochemical properties of the starch. And the effects were dependent both on the concentration of PT and the amylose/amylopectin ratios. DSC analysis showed that PT slightly increased the gelatinization temperature of low-amylose (LAC) and intermediate-amylose maize starch (IAC), whereas the Tc and Tp of high-amylose maize starch (HAC) were decreased strikingly. XRD and SEM analysis demonstrated that PT retarded the retrogradation of the three kinds of starch. The hardness and adhesiveness values of the three kinds of starch decreased with increasing the PT concentration. The cohesiveness and springiness value of LAC starch gel were decreased by PT, whereas that of HAC starch gel were slightly

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