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Protein-polyphenol interactions in plant-based systems: Mechanisms, structure-function relationships, and nutritional
Zahra Batool1, Sulaiman Ahmed2, Gan Hu3
1Department of Pharmacy, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
Interactions between plant proteins and polyphenols impact food functionality and nutrition. Understanding these complex molecular mechanisms is key to developing better plant-based foods.
Area of Science:
- Food Science
- Nutritional Science
- Biochemistry
Background:
- Protein-polyphenol interactions are crucial for plant-based food quality but poorly understood.
- Plant proteins interact differently with polyphenols compared to animal proteins due to their complex structures.
Purpose of the Study:
- To review molecular mechanisms of protein-polyphenol interactions in plant systems.
- To analyze how these interactions affect food techno-functional properties and nutritional value.
Main Methods:
- Literature review synthesizing recent research on protein-polyphenol interactions.
- Analysis of non-covalent and covalent binding mechanisms.
- Evaluation of impacts on protein structure, aggregation, and interfacial properties.
Main Results:
- Interactions significantly alter protein conformation, aggregation, and interfacial behavior.
- Techno-functional properties like solubility, emulsification, foaming, and gelation are modified.
- Impacts on digestibility, protein, and polyphenol bioaccessibility are evaluated.
Conclusions:
- A mechanistic framework for understanding protein-polyphenol interactions in plant-based foods is provided.
- This knowledge aids in designing high-performance, sustainable plant-based food products.
- Balancing functional benefits with nutrient availability is a key consideration.
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