Oils and Fats: Structure and Stability

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 394

Special Issue Editor

Department of Food Engineering, Huazhong Agricultural University, Wuhan, China
Interests: lipid molecular structure and function; oil processing and quality control

Special Issue Information

Dear Colleagues,

Oils and fats are fundamental components of both the human diet and industrial applications, contributing to nutrition, texture, flavor, and functionality in various food products. Understanding the structure and stability of oils and fats is crucial for enhancing their quality and performance, both in food processing and storage. The physical and chemical properties of lipids, including their crystallization behavior, oxidative stability, and susceptibility to degradation, are influenced by factors such as molecular composition, processing conditions, and environmental interactions. This Special Issue seeks to explore the latest advancements in the characterization, modification, and stabilization of oils and fats, focusing on novel methodologies and innovative strategies to improve their structure and shelf-life. Research on the impact of these factors on food quality, safety, and health implications will also be highlighted.

Dr. Caihua Jia
Guest Editor

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Keywords

  • oils and fats
  • lipid structure
  • oxidative stability
  • crystallization behavior
  • food quality
  • fat modification
  • shelf-life
  • lipid degradation
  • food processing
  • health implications

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Published Papers (1 paper)

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Research

16 pages, 627 KiB  
Article
Fatty Acid and Aroma Profiles of Microencapsulated Olive Oils from Southeastern Anatolia: Effects of Cultivar Variations, Storage Time, and Wall Material Formulation
by Songül Kesen and Eda Elgin Kiliç
Foods 2025, 14(14), 2439; https://doi.org/10.3390/foods14142439 - 10 Jul 2025
Viewed by 263
Abstract
The microencapsulation of olive oil plays an important role in food science and technology by controlling oxidative deterioration, improving emulsification, and preserving bioactive properties, ultimately benefiting product formulations in both the culinary and medical fields. This study is important in that it reveals [...] Read more.
The microencapsulation of olive oil plays an important role in food science and technology by controlling oxidative deterioration, improving emulsification, and preserving bioactive properties, ultimately benefiting product formulations in both the culinary and medical fields. This study is important in that it reveals the effect of the microencapsulation process on aroma compounds and provides a data set for investigating the potential use of powdered products. In this study, the microencapsulation of emulsions prepared with carbohydrate–protein-based coating materials of oils obtained from two different olive varieties (Nizip and Kilis Yaglik) grown in the Southeastern Anatolia Region of Turkey was carried out via the freeze-drying method. In the study, emulsions were formed using protein isolate (WPI) and maltodextrin (MD) at different ratios (1:1, 1:4, 1:10) as wall materials, and microcapsule powder products were obtained via the freeze-drying method. While the physical properties of the emulsions and microcapsules were examined, the oxidative stability, fatty acid profile, and aroma compounds were examined in oils and microcapsules. The changes in oxidative stability and aroma compounds were also monitored during storage (0, 45, and 90 days at room temperature). According to the data obtained, it was observed that the emulsion stability increased with increasing maltodextrin content. Similarly, the microencapsulation efficiency was also found to change in direct proportion to the maltodextrin ratio. Encapsulated samples showed better oxidative stability than oils. Oleic acid was the predominant fatty acid in both oils and microencapsulated products, followed by palmitic and linoleic acids. According to the aroma compounds, the microcapsules obtained from both types of oils were clearly separated from the oils. Full article
(This article belongs to the Special Issue Oils and Fats: Structure and Stability)
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