期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 143, 期 -, 页码 -出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2023.104251
关键词
Frozen dough; Quality; Dough composition; Yeast; Freezing
This review provides a comprehensive summary of changes in different components in frozen dough, including starch, gluten protein, lipid, and yeast, from a multiscale perspective. The methods of improving the production process of frozen dough, from main materials to end products, have been discussed. Key findings include the use of high gluten strength wheat flour and composite flour with high dietary fiber to improve the freezing resistance of gluten-starch matrix, as well as various methods to improve yeast freeze tolerance and the effects of different freezing rates.
Background: The utilization of frozen dough technology presents a compelling solution for prolonging the shelf life of flour products and enhancing production efficiency. This technology has been widely applied and continuously studied. However, the intricate production process of frozen dough introduces a persistent challenge-freezing damage-that impacts different components of frozen dough like starch, gluten protein, yeast, and lipid. This damage leads to a decline in dough quality.Scope and approach: This review offers a comprehensive summary of changes occurring in different components in frozen dough from a multiscale perspective, specifically starch, gluten protein, lipid, and yeast. The process improvement methods involving from the main materials to the end products in the actual production process of frozen dough have been discussed. These encompass the selection and optimization of main materials, improvement of yeast freeze tolerance, additives, frozen processes (freezing, storage, and thawing), and doughmaking processes.Key findings and conclusions: The selection of wheat flour with high gluten strength and the use of composite flour with high dietary fiber can improve the freezing resistance of gluten-starch matrix. The freeze tolerance of yeast can be improved through hybridization, genetic engineering, pretreatment with polycationic peptide (epsilon-poly-Llysine), microencapsulation technology, and the addition of anti-freeze agents. In addition to improving the useeffect of different additives, effective methods of obtaining additives and synergistic combinations of multiple additives are in focus. Different frozen doughs need to choose an appropriate freezing rate. The novel physical field-assisted freezing technology has a positive effect on reducing freezing damage. For frozen storage, the subfreezing temperature (-12 degrees C) is more environmentally friendly and the lower storage temperature is more stable. The innovative microwave thawing has a poor application effect for frozen dough presently. Innovative dough-making processes such as vacuum mixing, heat treatment before dough freezing (part-baked, par-steamed, and preheated dough), and edible coatings are worth exploring.
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