Advances in Food Processing, Quality Control, and Functional Properties of Egg Products

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Quality and Safety".

Deadline for manuscript submissions: 5 July 2025 | Viewed by 1387

Special Issue Editor

National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
Interests: processing technology; preservation; by-products; extraction; bioactive compounds; detection technology; pasteurization

Special Issue Information

Dear Colleagues,

In recent years, substantial progress has been achieved in the domain of egg product processing, quality control, and the augmentation of their functional attributes. These developments have not merely enhanced the overall safety and quality of egg-based foods but also broadened their functional applications within the health and nutrition arena. In food processing, contemporary technologies such as cold plasma treatment and high-pressure processing are being utilized to retain the nutritional worth and freshness of eggs while eliminating the reliance on traditional chemical preservatives. These methodologies are mild yet efficacious, guaranteeing the supreme standards of food safety. Quality control procedures have also undergone evolution, leveraging advanced analytical apparatuses such as mass spectrometry and spectroscopy to detect even the most minute traces of contaminants or impurities. Traceability systems have been established to supervise the entire supply chain, from the farm to the dining table, ensuring product integrity and consumer confidence. The functional qualities of egg products have been further enhanced by the integration of bioactive constituents. For instance, omega-3-enriched eggs are now widely accessible, providing consumers with an effortless means to augment their intake of essential fatty acids. Eggs are also being fortified with vitamins and minerals, rendering them even more nutritionally rich.

As research and innovation continue to propel the egg industry forward, we can expect even more exciting developments in food processing, quality control, and the functional enhancement of egg products in the future.

Potential topics include, but are not limited to, the following:

  • Egg and Egg Product Processing and High-Value Utilization;
  • Extraction, Purification, and Physiological Functions of Active Ingredients in Eggs;
  • Improving the Processing Characteristics of Egg Powder Products;
  • Methods to Extend the Shelf Life of Liquid Egg Products;
  • Rapid Detection Methods for Active Ingredients in Eggs;
  • New Processing Technologies for Egg Products.

This Special Issue devoted to "Advances in Food Processing, Quality Control, and Functional Properties of Egg Products" is set to showcase an extensive array of up-to-date research and current review articles. These articles will not only cover the most recent techniques in egg product processing and rigorous quality guarantee frameworks but also conduct an in-depth analysis of the nutritional value, flavor profile, and processing adaptability of eggs. Through this compilation, our objective is to promote the egg industry and effectively fulfill the constantly evolving demands of the market.

Dr. Zhijie Bao
Guest Editor

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Keywords

  • egg
  • egg product
  • egg powder products

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Published Papers (1 paper)

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Research

17 pages, 2661 KiB  
Article
Effect of Low-Density Lipoprotein (LDL) and High-Density Lipoprotein (HDL) on Frozen Gelation of Egg Yolk
by Junze Yuan, Songyi Lin, Kun Liu, Fujun Guo and Zhijie Bao
Foods 2025, 14(3), 522; https://doi.org/10.3390/foods14030522 - 6 Feb 2025
Viewed by 910
Abstract
This study aimed to investigate the roles of low-density lipoprotein (LDL) and high-density lipoprotein (HDL) in the gelatinization behavior of egg yolk, as well as the underlying mechanisms of action. This research examined the rheological properties, moisture distribution, and structural characteristics of a [...] Read more.
This study aimed to investigate the roles of low-density lipoprotein (LDL) and high-density lipoprotein (HDL) in the gelatinization behavior of egg yolk, as well as the underlying mechanisms of action. This research examined the rheological properties, moisture distribution, and structural characteristics of a system containing reconstituted egg yolk components during the freezing process. The results indicated that increasing the concentration of LDL and HDL in the egg yolk system enhanced the apparent viscosity of egg yolk following a freeze–thaw treatment. Specifically, as the LDL and HDL content increased, G’ and G” values increased significantly, whereas tanδ values decreased significantly and l* values declined. These findings suggest that both LDL and HDL are critical contributors to the gelatinization process of egg yolk. Furthermore, as the concentrations of LDL and HDL in the system increased, the amount of fixed water also rose, while the bound and free water content decreased. This observation implies that LDL and HDL facilitate water migration during the freezing of egg yolk. The increase in fluorescence intensity observed in the fluorescence spectra indicates a greater exposure of tyrosine residues on the protein surface, an enhancement of surface hydrophobicity, and a modification of protein conformation. Fluorescence inverted microscopy revealed that elevated levels of LDL and HDL in the system led to increased structural damage to the protein due to freezing, which subsequently promoted the aggregation of yolk proteins. This suggests that both LDL and HDL undergo aggregation during gelation. In egg yolk, LDL and HDL are essential for gel formation during the freezing of liquid egg yolk and play critical roles in both protein structure and water migration. Of the two lipoproteins, HDL has a more pronounced effect on gel formation during liquid egg yolk freezing. This study investigates the key substances involved in the gelatinization of egg yolk, providing a reference for further improvements in egg yolk gelatinization during freezing. Full article
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