Effects of the levels of NaCl added in soymilk on texture characteristics of white dried beancurds
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(School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China)

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    Abstract:

    Objective: This research aimed to understand the effects of different levels of NaCl added in soymilk on textural characteristics of resulted white dried beancurds. Methods: The textural characteristics and protein-gel network structures of dried beancurds produced from soymilk added with different levels of NaCl (0~1%) were fully evaluated through texture profile analysis, creep test, scanning electron microscopy and others. Results: The addition of NaCl in soymilk led to a significant increase (P<0.05) of water held in the protein-gel network of dried beancurds as well as a less compact protein-network structure and overall weaker protein-gel. In addition, the levels of NaCl added in soymilk were highly correlated (r was 0.967~0.982) with the yield and water content of the resulted white dried beancurds, but negatively correlated (r was -0.901~-0.994) with water holding capacity, gel strength, cohesiveness, elastic modulus and other textural properties of dried beancurds. Conclusion: The soymilk added with 0.50%~0.75% of NaCl resulted in dried beancurds with required salty taste and acceptable textural characteristics.

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舒媛珂,黄轶群,俞 健,等.豆浆中食盐添加量对白豆干质构特性的影响[J].食品与机械英文版,2023,39(4):19-25,60.

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  • Received:December 01,2022
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  • Online: June 05,2023
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