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  • 标题:Dynamic Change of Polymer in Rice Analogues and Its Effect on Texture Quality
  • 本地全文:下载
  • 作者:Ke Zhang ; Yang Tian ; Chenglong Liu
  • 期刊名称:International Journal of Polymer Science
  • 印刷版ISSN:1687-9422
  • 电子版ISSN:1687-9430
  • 出版年度:2020
  • 卷号:2020
  • 页码:1-10
  • DOI:10.1155/2020/7490505
  • 出版社:Hindawi Publishing Corporation
  • 摘要:Macromolecules will leach from the inside of rice analogues (RA) to the external environment and form escaping substances (ES) when boiling in water for a long time. Some escaped substances adhere to the surface of cooked rice analogues (CRA) to form an adhesive layer (AL), which has an important impact on the cooking quality of RA. In this study, hydrocolloids and emulsifier were added and formed RA. Physicochemical, structural, and textural properties of ES, AL, and CRA samples were analyzed to study the effect of hydrocolloids on cooking quality of RA. The results showed that SA inhibited the leach of molecules, reduced MW of AL, decreased starch content of ES and AL, decreased shear viscosity of RA, and enhanced hydrogen bonding interactions. Ca 2+ increased the dry matter content of CRA and AL, enhanced hydrogen bonding interactions of ES and CRA, and decreased MW of ES. Textural property results showed that the gelatinous properties of RA were enhanced after SA was added. The Ca 2+ in the solution increased the adhesiveness of RA, while decreasing their elasticity. This study explained how hydrocolloids affect the texture properties of RA at a molecular level.
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