Extraction, Structural Characterization, Functional Properties and Applications of Food-Derived Proteins

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

Deadline for manuscript submissions: 31 December 2026 | Viewed by 578

Editors


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Guest Editor
College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
Interests: food protein/peptide-based colloids; protein modification; rheology; emuslion gel; interfacial absorption; protein oxidation
School of Food Science and Biobiotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
Interests: food protein; emulsion and colloidals; taste release and perception; protein–ligand interactions; digestion
College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
Interests: food protein; polysaccharide; emulsion; gel; food texture; functional foods
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Special Issue Information

Dear Colleagues,

Food-derived proteins are fundamental components in human nutrition and play an increasingly critical role in the development of sustainable, healthy, and functional food products. Advances in extraction technologies, coupled with sophisticated structural analysis and functional insights, have enabled the tailored use of proteins from diverse sources—including plants, animals, algae, and microbial systems—for a wide spectrum of food applications. This Special Issue highlights advances across the protein value chain—from green extraction methods such as ultrasound-, microwave-, and pulsed electric field-assisted techniques, to multi-scale structural analysis using spectroscopic (e.g., FT-IR, CD, NMR), chromatographic, microscopic (cryo-EM, AFM), and scattering techniques (SAXS, SANS). It also explores key functional properties like emulsifying, foaming, gelling, and bioactive capacities, along with applications in plant-based alternatives, edible films, coatings, and encapsulation systems. Studies on protein digestibility, allergenicity, and sustainability—including upcycling of agri-food side streams—are encouraged. We welcome original research and reviews that bridge food chemistry, process engineering, and nutrition, fostering innovation for future food systems. Submissions should offer novel perspectives on protein science and its practical implications.

Dr. Qingling Wang
Dr. Yanyun Cao
Dr. Mangang Wu
Guest Editors

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Keywords

  • food-derived proteins
  • protein extraction
  • structural characterization
  • functional properties
  • gelation
  • emulsification
  • interface behavior
  • digestibility and bioavailability
  • sustainable nutrition

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Published Papers (1 paper)

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Research

19 pages, 1805 KB  
Article
Effects of Myofibrillar Protein-Stabilized Soybean Oil Pre-Emulsions Containing Arabic Gum or Gallic Acid-Grafted Arabic Gum on the Quality Characteristics and Oxidative Stability of Reduced-Animal-Fat Emulsified Sausages
by Chang Liu, Mingze Xu, Yi Luan, Khubaib Ali, Rui Sun, Qingling Wang, Shixue Wu, Yixue Shi and Mangang Wu
Foods 2026, 15(16), 2795; https://doi.org/10.3390/foods15162795 - 10 Aug 2026
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Abstract
Soybean oil-based pre-emulsions stabilized by myofibrillar protein (MP), Arabic gum (AG), or gallic acid-grafted Arabic gum (GA-AG) were used to partially (50%) or fully (100%) replace pork back fat in Western-style emulsified sausages. The present study investigated the effects of such replacement on [...] Read more.
Soybean oil-based pre-emulsions stabilized by myofibrillar protein (MP), Arabic gum (AG), or gallic acid-grafted Arabic gum (GA-AG) were used to partially (50%) or fully (100%) replace pork back fat in Western-style emulsified sausages. The present study investigated the effects of such replacement on the initial quality attributes and lipid oxidation stability of sausages during storage. Compared with sausages formulated with pure pork back fat, pre-emulsion substitution significantly reduced cooking loss and improved textural characteristics, especially hardness and springiness. Incorporating AG into the soybean oil pre-emulsion further enhanced the cooking yield of the products, while GA-AG retained AG’s stabilizing efficacy without compromising sensory acceptability. Sensory evaluation results demonstrated that 50% fat replacement achieved an optimal balance between textural performance and overall sensory preference. During refrigerated storage, the thiobarbituric acid reactive substance (TBARS) values increased in all sausage formulations. In contrast, sausages formulated with the GA-AG-stabilized soybean oil pre-emulsion exhibited the most potent inhibitory effect on lipid oxidation. After 312 h of storage, the TBARS values of the GA-AG groups were merely 32.8% of those of the single MP-treated groups. These findings suggest that the MP/GA-AG-stabilized soybean oil pre-emulsion system effectively improves the processing properties and oxidative stability of low-animal-fat emulsified sausages. Full article
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