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中国精品科技期刊2020
薛旭亮,刘霞,卢旭,等. 动态力学分析技术(DMA)在食品研究中的优势及应用进展[J]. 食品工业科技,2022,43(8):453−462. doi: 10.13386/j.issn1002-0306.2021040282.
引用本文: 薛旭亮,刘霞,卢旭,等. 动态力学分析技术(DMA)在食品研究中的优势及应用进展[J]. 食品工业科技,2022,43(8):453−462. doi: 10.13386/j.issn1002-0306.2021040282.
XUE Xuliang, LIU Xia, LU Xu, et al. Advantages and Applications of Dynamic Mechanics Analysis Technique in Food Research[J]. Science and Technology of Food Industry, 2022, 43(8): 453−462. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021040282.
Citation: XUE Xuliang, LIU Xia, LU Xu, et al. Advantages and Applications of Dynamic Mechanics Analysis Technique in Food Research[J]. Science and Technology of Food Industry, 2022, 43(8): 453−462. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021040282.

动态力学分析技术(DMA)在食品研究中的优势及应用进展

Advantages and Applications of Dynamic Mechanics Analysis Technique in Food Research

  • 摘要: 动态力学分析(DMA)是研究高分子材料在各种环境中对于外部施加应力反馈的一种重要技术。近年来,随着学科交叉研究热度的不断上升,DMA在表征食品高分子材料中的力学特征研究中表现出极大的应用价值。因此,本文系统综述了DMA技术的工作原理、对食品材料的测定优势及在食品研究领域的具体应用,该技术在食品材料储能模量和损耗模量测定、α-弛豫监控及食品玻璃化转变温度定位等方面体现出灵敏度高、稳定性好和准确性高的特点,为食品动态力学物理性质测定提供了更科学的评测手段。在未来,DMA技术不仅可以通过DMA-振动光谱联用技术分析分子变化规律,从而开发食品级绿色清洁材料,还可以作为传统热力学技术辅助验证技术,对食品热物性继续深入研究。

     

    Abstract: Dynamic mechanical analysis (DMA) is an important technique to study the feedback of polymer materials to external stress in various environments. In recent years, with the increasing popularity of interdisciplinary research, DMA shows great application value in characterizing the mechanical characteristics of food polymer materials. Therefore, this paper systematically reviewes the working principle of DMA technology, the advantages of determination of food materials and its specific application in the field of food research. The technology is applied to the determination of storage modulus and loss modulus of food materials α- relaxation monitoring and food glass transition temperature positioning reflect the characteristics of high sensitivity, good stability and high accuracy, which would provide a more scientific evaluation means for the determination of dynamic mechanical and physical properties of food. In the future, DMA technology could analyze the molecular change law through DMA vibration spectroscopy to develop food grade green cleaning materials, and be used as an auxiliary verification technology of traditional thermodynamic technology to further study the thermophysical properties of food.

     

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