Effects of Vacuum Freezing Drying and Hot-air Drying on the Quality Characteristics and Microstructure of Yuba Stick

被引:0
|
作者
Wan, Lin [1 ,2 ]
Tian, Yuqi [1 ]
Che, Gang [1 ,2 ]
Lu, Boyuan [1 ]
Wang, Hongchao [1 ,2 ]
Chen, Zhengfa [1 ]
机构
[1] College of Engineering, Heilongjiang Bayi Agricultural University, Daqing,163319, China
[2] Heilongjiang Provincial Key Laboratory of Intelligent Agricultural Machinery Equipment, Daqing,163319, China
关键词
Deterioration - Hardness - Low temperature drying - Proteins - Quality control - Sensory analysis - Solar dryers;
D O I
10.13386/j.issn1002-0306.2023090070
中图分类号
学科分类号
摘要
To solve the problem of quality deterioration caused by easy browning in drying of yuba stick, yuba stick made from Jiusan yellow soybean, a specialty of northeast Heilongjiang, was used as the research object. Vacuum freeze drying (VFD) and hot air drying (HAD) were used for dry processing of yuba stick, to obtain the effects of the two drying methods on the quality characteristics, microstructure, and other parameters of yuba stick. The goal was to provide theoretical support for selecting appropriate factory drying methods. The results showed that the effect of the two drying processes on the protein content of yuba stick reached the level of significant difference (P*, a* and b* values of yuba stick was highly significant (P−1 at 1 min. The VFD-dried yuba stick had the lowest hardness, best chewiness, uniform quality and highest sensory evaluation score as compared to HAD-dried yuba stick. In summary, vacuum freeze-drying is suitable for dry processing of yuba stick with high protein content. © The Author(s) 2024.
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页码:57 / 63
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