Feature of air classification product in wheat milling: Physicochemical,rheological properties of filter flour |
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| Authors: | Jinshui Wang Anguo Xie Changfu Zhang |
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| Institution: | 1. College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, People''s Republic of China;2. School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, People''s Republic of China |
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| Abstract: | Wheat filter flours are by-products obtained from air-classification of wheat flour. Physicochemical and rheological properties of wheat filter flours were investigated in the present study. Average values of crude protein, gluten, lipid and damaged starch content of filter flours were higher than those of standard flours for the same batch. The positive correlation of particles with size <20 μm and damaged starch was found. Moreover, the filter flours had higher water absorption, stability time except head milling filter flour samples. Short peak time and low peak viscosity were also observed. Different composition of wheat filter flours may be an important factor influencing its properties. This study is very useful for exploring the utilization of wheat filter flours in the food industry. |
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| Keywords: | Wheat filter flour Physicochemical characteristics Rheological property |
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