Ultrasonic study of wheat flour properties |
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Authors: | J García-Álvarez J SalazarCM Rosell |
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Institution: | a Grup Sistemes Sensors, Departament Enginyeria Electrònica, Universitat Politècnica de Catalunya, Jordi Girona 1-3, 08034 Barcelona, Spain b Cereal Group, Food Science Department, Institute of Agrochemistry and Food Technology (IATA-CSIC), PO Box 73, Burjasot 46100, Valencia, Spain |
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Abstract: | In this work, the wheat flour properties are investigated using ultrasound techniques. Moreover, the flour samples were also characterized by means of well established techniques such as protein content, Alveograph and Mixolab®. A set of 35 dough samples, made of wheat flours with diverse physical and quality properties, were studied. The obtained results shown that ultrasound measurements can detect changes in the dough consistency induced by proteins and also by gelatinization of the starch. Furthermore, ultrasound measurements can be related to parameters indicative of the proteolytic degradation or softening of the dough due to protease activity. Thus, ultrasound can be considered a low cost and rapid tool, complementary to conventional test, for wheat flour characterization. |
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Keywords: | Flour Bread dough Ultrasound NDT Rheology |
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