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Published on: April 9, 2016
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.
Abstract:
Tea proteins from tea-processing by-products are sustainable resources, but their application is constrained by poor solubility and functionality. This review highlights interfacial engineering as a key strategy to improve tea protein performance and establishes a framework linking molecular structure, interfacial behavior, and functionality. The characteristics of tea residue protein and tea seed protein are first summarized in terms of source, composition, and interfacial properties. Modification strategies are then discussed from physical, chemical, biological, and combined perspectives. Representative applications include functional stabilizers for plant-based foods and edible packaging, precursors of bioactive peptides, and colloidal particles for Pickering emulsions and structured foods. Industrialization challenges, including scalability, safety, sensory quality, and regulatory issues, are critically evaluated. Future directions focus on rational modification, targeted nutrition, advanced food systems, and sustainable biomaterials, highlighting tea proteins as multifunctional ingredients for circular food systems.
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