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KMID : 1007520230320020193
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Food Science and Biotechnology
2023 Volume.32 No. 2 p.193 ~ p.202
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Comparison of rheological properties between Mixolab-driven dough and bread-making dough under various salt levels
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Kim Ha-Ram
Kim Mi-Ran
Lim Hyun-Chul
Bae Ji-Eun
Choi Yun-Sang
Lee Gwan-Bok
Choi Hee-Don
Hong Jung-Sung
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Abstract
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The properties of wheat dough according to salt level and type of mixer were investigated, and parameters derived from each analysis were comprehensively compared. Mixolab analysis showed that water absorption decreased with salt level while the dough strength increased. In the Mixolab C2 stage, related with thermal strength, C2 temperature and time had stronger correlation with other dough strength parameters than C2 torque. Thickness increase of gluten strand was dominant in the doughs prepared by vertical mixer (VMD) than in those prepared by Mixolab device (MLD), for the same salt level. In large deformation, increase in resistance to extension by salt level was much greater in VMD than in MLD. In small deformation, relationships of salt level with G?, G?? and power-law exponent (n) were linear and non-linear in MLD and VMD, respectively. Since MLD could not perfectly reflect VMD, properties of dough should be considered in multiple ways for its comprehensive understanding.
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KEYWORD
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Wheat dough, Salt level, Rheology, Mixolab, Multiple factor analysis
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