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Combined effects of wheat gluten and carboxymethylcellulose on dough rheological behaviours and gluten network of potato–wheat flour‐based bread

Hu, Xiaohui ; Cheng, Li ; Hong, Yan ; Li, Zhaofeng ; Li, Caiming ; Gu, Zhengbiao

International journal of food science & technology, 2021-08, Vol.56 (8), p.4149-4158 [Periódico revisado por pares]

Oxford: Wiley Subscription Services, Inc

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  • Título:
    Combined effects of wheat gluten and carboxymethylcellulose on dough rheological behaviours and gluten network of potato–wheat flour‐based bread
  • Autor: Hu, Xiaohui ; Cheng, Li ; Hong, Yan ; Li, Zhaofeng ; Li, Caiming ; Gu, Zhengbiao
  • Assuntos: Bread ; Bread qualities ; Carboxymethylcellulose ; Dimensional stability ; Dough ; dough microstructures ; Flour ; Gluten ; gluten proteins ; Machinability ; Mechanical properties ; Potatoes ; Protein interaction ; Retention capacity ; Rheological properties ; Rheology ; Specific volume ; Vegetables ; Viscoelasticity ; Wheat
  • É parte de: International journal of food science & technology, 2021-08, Vol.56 (8), p.4149-4158
  • Descrição: Summary Incorporating high level of potato flour into wheat flour enhances nutritional values of bread but induces a series of problems that lead to the decline of the bread quality. To overcome the barrier, wheat gluten and carboxymethylcellulose (CMC) were added into potato–wheat composite flour to improve dough machinability and bread quality. The rheological properties, thermo‐mechanical properties and microstructures of dough were investigated. The results showed that the interaction between gluten and CMC mitigated the discontinuity of gluten matrix and gluten protein aggregation caused by the addition of potato flour, which yielded a more branched and compact gluten network. The compact three‐dimensional viscoelastic structure induced improvements of gas retention capacity and dough stability, making it mimic the machinability properties of wheat flour dough. Bread qualities were apparently improved with the combined use of 4% gluten and 6% CMC, of which specific volume increased by 42.86%, and simultaneously, hardness reduced by 75.93%. Combination effects of vital gluten and carboxymethylcellulose on the formation of gluten network.
  • Editor: Oxford: Wiley Subscription Services, Inc
  • Idioma: Inglês
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