Structural characterization and functional characteristics of amyloid fibrotic aggregation of 11S protein in fava bean

  • CHEN Hui ,
  • ZHOU Mengyuan ,
  • XU Zhe ,
  • LIN Xuemei ,
  • ZHAO Wenzhong ,
  • XU Zhihao ,
  • DING Xiaoqi ,
  • DING Yuting
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  • 1(College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China)
    2(College of Life Sciences, Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Dalian 116600, China)
    3(Lafang Jiahua Co.Ltd., Shantou 515041, China)
    4(Food Science Research Institute of Zhangzhou, Zhangzhou 363000, China)

Received date: 2025-02-25

  Revised date: 2025-05-19

  Online published: 2026-01-22

Abstract

Food-borne protein amyloid fibrotic aggregation has unique structural properties, and fava bean 11S protein (FP) shows great potential as a sustainable protein resource.This study investigated the dynamic evolution of amyloid fibrotic aggregation of 11S protein in fava bean (FPF) during its formation, including its structural characterization and functional characteristics.6 g/100 mL of FP was treated by acid heat treatment (pH 2, 85 ℃) for different time (0-24 h) to obtain FPF.The processed samples were characterized by Thioflavin T, fluorescence, dityrosine, transmission electron microscopy and fourier infrared spectroscopy.The results showed that FP was first hydrolyzed into polypeptide during acid heat, and then self-assembled into β-folded FPF (increased from 34.44% at 0 h to 45.89% at 24 h).The functional properties of FPF were characterized by foaming, emulsifying and gelling properties.Compared with FP, FPF had better foaming, emulsifying and gelling properties after 24 h reaction.In addition, FPF did not show cytotoxicity in vitro cell experiments.This study provides theoretical support for the formation of FPF.

Cite this article

CHEN Hui , ZHOU Mengyuan , XU Zhe , LIN Xuemei , ZHAO Wenzhong , XU Zhihao , DING Xiaoqi , DING Yuting . Structural characterization and functional characteristics of amyloid fibrotic aggregation of 11S protein in fava bean[J]. Food and Fermentation Industries, 2026 , 52(1) : 277 -283 . DOI: 10.13995/j.cnki.11-1802/ts.042505

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