Abstract
SummaryThe growing recognition of environmental conservation and human well‐being has led to a surge in the advancement of plant‐based meat. These meat alternatives are similar to animal meat products regarding texture, flavour, shape, and other characteristics. These products consist of three main components: plant tissue proteins, fat mimetics, and plant‐based glues that act as binders. Since meat substitutes are subjected to high temperatures and pressures or refrigeration, the junction between the tissue proteins and fat mimetics is prone to cracking, necessitating the development of adhesives with excellent bonding characteristics. The physicochemical properties and functional applications of plant glues are currently attracting significant research attention. Plant‐based glues are essentially gels derived from substances such as proteins, polysaccharides, or various compounds. This article summarised the basic principles of gel formation, focusing on acid‐, salt‐, heat‐, and enzyme‐induced gel formation pathways, as well as the role of pH adjustment and enzyme or salt ion addition in improving their functional properties. Optimal conditions can enhance the adhesive properties of plant‐based glues. This article reviewed the types, gelation mechanisms, influencing factors, and challenges of plant‐based glues to provide a theoretical basis for research on their application potential.
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