Molecular Interactions Between Dietary Polysaccharides and Wheat Gluten During Freeze–Thaw Processing
Keywords:
frozen dough; wheat gluten; dietary polysaccharides; freeze-thaw cycling; cryoprotection; hydrocolloids; food system resilienceAbstract
Frozen dough systems are complex multi-scale networks whose functional performance depends on the coupled behavior of wheat gluten, water, starch, yeast, and low-temperature process conditions. Freeze-thaw processing imposes severe stress on the gluten network through ice crystallization, cryoconcentration, water migration, and mechanical disruption, leading to loss of viscoelastic continuity and product quality. Dietary polysaccharides have attracted attention as cryoprotective hydrocolloids that modify water distribution, inhibit ice recrystallization, and stabilize gluten microstructures. This paper provides a system-level analysis of molecular interactions between dietary polysaccharides and wheat gluten during freeze-thaw processing. It conceptualizes the frozen dough as an engineered food system in which molecular hydration phenomena, mesoscale network architecture, and cold-chain logistics are mutually constitutive. The discussion examines gluten network degradation under repeated thermal cycling, the structural mechanisms of polysaccharide cryoprotection, and the trade-offs introduced by polysaccharide addition, including rheological constraints, gas retention, and textural outcomes. Industrial deployment is analyzed in relation to freezing infrastructure, cold-chain stability, and process monitoring. Robustness and failure modes are interpreted through the lens of resilience, emphasizing that polysaccharides can shift rather than eliminate failure modes. Finally, sustainability and governance implications are considered, including clean-label trends, cold-chain energy burdens, food waste reduction, and the regulatory status of novel polysaccharide ingredients. The article argues that effective cryoprotection is not a single molecular intervention but an emergent property of a properly governed system.
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This article is published under the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
