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Published on: January 17, 2017
Structural composition, digestive characteristics, interaction mechanism and functional properties of buckwheat
Dongze Li1, Zhen Yang1, Lechuan Wang1
1School of Food Science and Engineering, Hainan University, Haikou, 570228, China; Collaborative Innovation Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Haikou, 570228, China; Hainan International Joint Research Center for High Value Processing of Tropical Protein Resources, Haikou, 570228, China.
Abstract:
Buckwheat protein, as an emerging plant-based protein, has attracted growing attention owing to its excellent functional properties and physiological benefits. However, its digestibility is constrained by inherent structural characteristics and interactions with endogenous anti-nutritional factors. For the first time, this review explores the relationships between the amino acid composition, sequence, and functional characteristics of buckwheat protein. It also analyzes the underlying causes of its low digestibility and outlines corresponding strategies for improvement. Recent research highlights the self-assembly behavior of buckwheat protein and its interactions with polysaccharides and polyphenols, which significantly modulate its functional performance. Despite existing challenges-such as reduced digestibility and altered emulsifying, gelation, and foaming properties caused by multimeric structures and anti-digestive compounds-emerging technologies provide novel approaches to enhance its functionality. In conclusion, buckwheat protein exhibits considerable potential for application in functional food development, provided that its limitations are effectively addressed through structural modification and formulation innovations.
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