Repeated Heat-Moisture Treatment: a more EffectiveWay for Structural and Physicochemical Modification of Mung Bean Starch Compared with Continuous Way

  • Kun Zhao
  • Bo Zhang
  • Chunyan Su
  • Bing Gong
  • Jianmei Zheng
  • Hao Jiang
  • Guoquan Zhang
  • Wenhao LiEmail author
Original Paper


Effects of repeated heat-moisture treatment (RHM) and continuous heat-moisture treatment (CHM) on structural, physicochemical, and digestibility properties of mung bean starch were investigated. Rupture and scallops appeared on the surface of starch granules and some polarization cross disappeared after CHM and RHM. Besides, CHM starch exhibited severe rupture than RHM with the same treatment time. Crystal type of CHM and RHM starch maintained A-type while crystallinity decreased first but then increased as treating time increased. Besides, the relative crystallinity, transition temperatures, ΔH, and slowly digestible starch and rapidly digestible starch content of RHM were significantly higher than CHM whereas solubility, swelling power, and pasting viscosities of RHM samples were lower than CHM under the same treating time. Overall, RHM measures have more advantages than CHM in the modification of the structural, physicochemical, and digestibility properties of starch.


Heat-moisture Mung bean starch Modification Physicochemical property 


Funding information

This study was financially supported by the Premium Funding Project for Academic Human Resources Development in Beijing Union University (BPHR2017CZ04) and the Technology Planning Project of Yangling Agricultural Hi-Tech Industries Demonstration Zone (2018NY-24).

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  1. 1.Beijing Key Laboratory of Bioactive Substances and Functional FoodsBeijing Union UniversityBeijingChina
  2. 2.College of Food Science and EngineeringNorthwest A&F UniversityYanglingChina

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