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Source-specific interfacial engineering strategies for tea proteins: functional modification, colloidal design, and
Mengtian Huang1, Tianle Yao1,2, Qian Zhang1,2
1Hubei Key Laboratory of Resource Utilization and Quality Control of Characteristic Crops, College of Life Science and Technology, Hubei Engineering University, Xiaogan 432000, China.
Food Chemistry: X
|June 22, 2026
Summary
Interfacial engineering enhances tea proteins from by-products, improving their solubility and functionality for food applications. This research explores modification strategies and applications for sustainable food systems.
Area of Science:
- Food Science
- Biomaterials Engineering
- Protein Chemistry
Background:
- Tea processing by-products contain sustainable protein resources.
- Poor solubility and functionality limit the application of tea proteins.
- Interfacial engineering offers a strategy to overcome these limitations.
Purpose of the Study:
- To review interfacial engineering strategies for improving tea protein performance.
- To establish a framework linking tea protein structure, interfacial behavior, and functionality.
- To evaluate applications and industrialization challenges of modified tea proteins.
Main Methods:
- Summarized characteristics of tea residue protein and tea seed protein (source, composition, interfacial properties).
- Discussed physical, chemical, biological, and combined modification strategies.
- Critically evaluated industrialization challenges (scalability, safety, sensory, regulatory).
Main Results:
- Interfacial engineering can significantly enhance tea protein solubility and functionality.
- Modified tea proteins serve as functional stabilizers, bioactive peptide precursors, and colloidal particles.
- Applications span plant-based foods, edible packaging, Pickering emulsions, and structured foods.
Conclusions:
- Tea proteins are versatile, multifunctional ingredients for circular food systems.
- Rational modification and advanced food systems are key future directions.
- Addressing industrialization challenges is crucial for widespread adoption.
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