Journal
THERMOCHIMICA ACTA
Volume 489, Issue 1-2, Pages 22-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2009.01.025
Keywords
beta-Cyclodextrin; Retardation effect; Bread staling
Funding
- Exploring Program of State Key Laboratory of Food Science and Technology, Jiangnan University [SKLF-TS-200810, SKLF-MB-200804]
- Nature Science Foundation of Jiangsu Province [BK2008003]
- International Science & Technology Cooperation Program [2007DFA31120]
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In this study, the impact of the addition of beta-cycloclextrin (beta-CD) on bread staling was investigated by texture profile analysis (TPA), X-ray diffraction (XRD). and differential scanning calorimeter (DSC). Results showed that the retardation effect of P-CD on bread staling was found to be significant as less changes of hardness, cohesiveness and springiness were observed during the storage. The addition of beta-CD also significantly decreased recrystallization rate k, and increased Avrami exponent n, indicating that the nucleation type was transformed. Investigated by X-ray diffraction, changes of crystalline patterns Occurring in crust and crumb were retarded by the development of A+V and B+V intermediate patterns for stored crust and stored crumb, respectively. This retardation was attributed to the amylose-lipid-beta-CD complex formation observed and analyzed by DSC technique, resulting in nucleation type transformation and lowering the rate of bread staling. (c) 2009 Elsevier B.V. All rights reserved.
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