JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 36 Issue 1
January 2021
Article Contents
XU Ke, QIU Guodong, LI Xingke, et al. Effect of frozen storage time on water transformation and quality characteristics of dough[J]. Journal of Light Industry, 2021, 36(1): 9-16. doi: 10.12187/2021.01.002
Citation: XU Ke, QIU Guodong, LI Xingke, et al. Effect of frozen storage time on water transformation and quality characteristics of dough[J]. Journal of Light Industry, 2021, 36(1): 9-16. doi: 10.12187/2021.01.002 shu

Effect of frozen storage time on water transformation and quality characteristics of dough

  • Received Date: 2020-09-23
  • The effects of different freezing storage time (0 d,10 d,20 d,30 d) on the water content (Fw),water distribution and existence state,thermodynamic characteristics and texture characteristics in the dough were studied.And the correlation between them was explored through principal component analysis and correlation analysis.The results showed that the moisture state of the dough changed significantly with the increase of the frozen storage time.Fw,strongly-bound water content (A21) and free water (A23) increased,the lateral relaxation time of weakly-bound water (T22) and free water (T23) in the dough shifted to the left.After frozen storage,the thermal stability (To,Tc and ΔH) of the dough was improved,the hardness,gumminess and chewiness were increased,and the cohesiveness was reduced.The change of the internal moisture and thermal characteristics of the dough during the frozen storage period caused the improvement of the change value of the dough texture properties PC1,which represented the dough quality deteriorated.
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