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The function of proteins depends on their native three-dimensional structure, which is dictated by the amino acid sequence of the specific protein. Folding of the polypeptide chain takes place under specific conditions that energetically favor the folded conformation. In contrast, protein denaturation occurs spontaneously under unfavorable conditions that disrupt the integrity of the folded conformation. Thus, the chemical and physical environment of a protein, such as significant changes in pH...
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Updated: Sep 18, 2025

Comparison of Tobacco Host Cell Protein Removal Methods by Blanching Intact Plants or by Heat Treatment of Extracts
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Recent Advances in Heat-Induced Wheat Protein Modifications.

Hong-Ju He1, Guanglei Li1, Mohammed Obadi1

  • 1School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China.

Food Chemistry: X
|June 26, 2025
PubMed
Summary
This summary is machine-generated.

Heating significantly alters wheat protein structure and functionality, impacting food quality. This study details how various heating methods and ingredient interactions affect gluten network and gel formation for improved food processing applications.

Keywords:
Product qualityStructural and functional propertiesThermal inductionWheat protein

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Area of Science:

  • Food Science and Technology
  • Biochemistry of Food Systems

Background:

  • Wheat protein, particularly gluten, is vital in food processing due to its unique viscoelastic properties.
  • Heat treatment is a critical processing step that significantly modifies wheat protein structure and functionality.

Purpose of the Study:

  • To investigate the mechanisms of gluten network and gel formation in wheat protein under different heat treatments.
  • To analyze the impact of various heating methods on wheat protein structure and functionality.
  • To examine the interactions between wheat protein and other food components (polysaccharides, water, sodium ions) during heat-induced processing.

Main Methods:

  • Comparative analysis of different heat induction methods: wet heating, superheated steam, extrusion, and microwave treatments.
  • Examination of structural and functional changes in wheat protein.
  • Investigation of interactions with polysaccharides, water, and sodium ions.

Main Results:

  • Different heat treatments induce distinct changes in wheat protein structure, affecting gluten network and gel formation.
  • Interactions with other components like polysaccharides and water are significantly influenced by heating methods and impact final product properties.
  • Understanding these heat-induced alterations and interactions is crucial for controlling wheat protein functionality.

Conclusions:

  • Heat treatment is a key factor modulating wheat protein's viscoelastic properties and gelation behavior.
  • The choice of heating method critically influences wheat protein structure, functionality, and interactions with other food ingredients.
  • These findings offer theoretical insights for optimizing wheat protein utilization and enhancing food product quality.