期刊
JOURNAL OF TEXTURE STUDIES
卷 54, 期 2, 页码 222-236出版社
WILEY
DOI: 10.1111/jtxs.12745
关键词
enzymes; machinability; stickiness; texture properties; wheat dough
Undesired dough adhesion is a challenge in baked goods production. This study introduces a new multi-scale approach to compare dough adhesion phenomena using laboratory, pilot scale, and human sensory assessment methods. The dough's adhesive material properties were investigated using different analysis techniques, and the sample with bacterial xylanase showed the highest adhesion values. Human sensory assessment showed a strong correlation with pilot scale measurements and was better suited for predicting machinability.
Undesired dough adhesion is still a challenge during the production of baked goods. There are various methods for determining the adhesive texture properties of dough. In the majority of scientific papers, dough stickiness is measured analytically by the force-distance recording of dough detachment. In this study, we describe a new multi-scale approach to compare dough adhesion phenomena in a laboratory, pilot sale and human sensory assessment. In it, the adhesive material properties of dough were investigated using a pilot scale toppling device representing dough adhesion behavior in the production process, in the laboratory by texture analysis with the Chen-Hoseney method and furthermore with a new, implemented non-oral human sensory analysis. To simulate different dough adhesion behavior, the dough mechanical and adhesion properties were varied by applying dough-modifying enzymes and different dough storage times. The structural changes in the different wheat dough system were compared by rheological characterization. By characterizing the different adhesion phenomena of the doughs, the sample with bacterial xylanase showed the highest values after 80 min of storage time in all three methods. Correlation analysis revealed a strong relationship between the detachment time (pilot scale) and human sensory assessment attributes (Force R = 0.81, Time R = 0.87, Distance R = 0.92, Stickiness R = 0.80) after 80 min of storage time. Even though human sensory assessment showed limits in the detectability of differences in dough adhesion behavior compared to the Chen-Hoseney method, it was better suited to predict machinability.
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