Food and Fermentation Industries >

2025 , Vol. 51 >Issue 14: 28 - 34

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.042489

Research on a method for preparing plywood adhesives using prolamin extracted from distilled spent grains of Baijiu

  • LI Ting ,
  • XU Yan ,
  • FAN Wenlai
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  • 1(Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China)
    2(Key Laboratory of Industrial Biotechnology of Ministry of Education (Jiangnan University), Wuxi 214122, China)

Received date: 2025-02-24

  Revised date: 2025-03-24

  Online published: 2025-08-01

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Abstract

Distilled spent grains (DSG) are the largest by-product in Baijiu (Chinese liquor) production.They are rich in nutrients and have the potential to serve as cheap and high-quality raw materials for other industrial products.In this study, the soy sauce aroma and flavor type of prolamin was extracted.The prolamin was modified with sodium dodecyl sulfate, and then a cross-linking agent and a coupling agent KH-791 were added.The effects of the denaturant, cross-linking agent, and coupling agent on the adhesive properties were systematically investigated.The research results indicated that the modification leads to the formation of β-turn and β-sheet structures through molecular rearrangement after the swelling of prolamin, which increased the protein crystallinity of the adhesive.The interaction after the exposure of the internal groups of the protein significantly enhanced the performance of the adhesive.The adhesive became smoother and denser, and its water resistance and adhesion strength were stronger.In addition, this study provides new ideas and methods for the high-value-added application of DSG.

Key words： distiller’s grains; high added value; prolamin; extraction; plywood adhesive

Cite this article

LI Ting , XU Yan , FAN Wenlai . Research on a method for preparing plywood adhesives using prolamin extracted from distilled spent grains of Baijiu[J]. Food and Fermentation Industries, 2025 , 51(14) : 28 -34 . DOI: 10.13995/j.cnki.11-1802/ts.042489

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