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Updated: Jul 25, 2025

Bioinformatics Resources for the Study of Glycan-Mediated Protein Interactions
Published on: January 20, 2022
Biomacromolecule assembly of soy glycinin-potato starch complexes: Focus on structure, function, and applications
Xiaoyi Cheng1, Sai Yang2, Qi Fang2
1College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; College of Arts and Sciences, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
Abstract:
The effect of the cross-linking mechanism and functional properties of soy glycinin (11S)-potato starch (PS) complexes was investigated in this study. The results showed that the binding effecting and spatial network structure of 11S-PS complexes via heated-induced cross-linking were adjusted by biopolymer ratios. In particular, 11S-PS complexes with the biopolymer ratios of 2:15, had a strongest intermolecular interaction through hydrogen bonds and hydrophobic force. Moreover, 11S-PS complexes at the biopolymer ratios of 2:15 exhibited a finer three-dimensional network structure, which was used as film-forming solution to enhance the barrier performance and mitigate the exposure to the environment. In addition, the 11S-PS complexes coating was effective in moderating the loss of nutrients, thereby extending their storage life in truss tomato preservation experiments. This study provides helpful to insights into the cross-linking mechanism of the 11S-PS complexes and the potential application of food-grade biopolymer composite coatings in food preservation.
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