Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.19/2994
Título: Development and characterization of wheat breads with acorn flour
Autor: Gonzaga, Marta
Batista, Miguel
Guiné, Raquel
Correia, Paula
Palavras-chave: Wheat
Rheological properties
Physicochemical properties
Sensory analysis
Data: 2015
Citação: Gonzaga M, Batista M, Guiné RPF, Correia P. (2015) Development and characterization of wheat breads with acorn flour, in Proceedings of ICEUBI2015 – International Conference of Engineering: Engineering for Society, Covilhã, 9 pp
Resumo: The use of wheat and acorn flours in the production of breads was studied, in order to develop an innovative food product with good textural and sensorial characteristics. Flours and breads were characterized considering the functional, the physical-chemical and sensorial properties, respectively. The water absorptions were similar (57.5%-60.0%), achieving all the doughs the 500 BU, with a shorter dough development time for doughs whit acorn, and they also presented a high stability time (>30 minutes). The energy, the resistance to extension and the extensibility of doughs increased with the addition of acorn flour and with the proving time. The breads presented low moisture but a considerable water activity (0.93-0.97). The density of bread decreased with the introduction of acorn flour, which was also corroborated by sensorial and alveolar analysis (higher alveolar number and total area, with large alveolus). Acorn breads were darker, dimming along the storage. Acorn flours increased the hardness and decreased the cohesiveness of wheat breads, with no significant variation in elasticity. The global sensorial appreciation of breads had similar scores. The crust and crumb colour were more intense for acorn bread, presenting a low uniformity and little alveolus, and it was scratchier than 100% wheat breads.
Peer review: yes
URI: http://hdl.handle.net/10400.19/2994
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