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Component Change and Regulation of Cereal and Oil-Based Foods During...
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Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Grain".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 3387

Special Issue Editors

Dr. Dongdong Zhang

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Guest Editor
Engineering Research Center of Grain Storage and Security of Ministry of Education, Henan Provincial Engineering Technology Research Center on Grain Post Harvest, School of Food and Strategic Reserves, Henan University of Technology, Lianhua Road 100, Zhengzhou High-Tech Development Zone, Zhengzhou 450001, China
Interests: design and preparation of antibacterial nanomaterials; safe storage of grains; preservation of grain quality and freshness
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yukun Yang

E-Mail Website
Guest Editor
School of Life Science, Xinghuacun College (Shanxi Institute of Brewing Technology and Industry), Shanxi University, Taiyuan 030006, China
Interests: intelligent visualization photoelectric chemical sensing; rapid detection; target recognition
Special Issues, Collections and Topics in MDPI journals
Dr. Qiong Wu

E-Mail Website
Guest Editor
Grain Storage and Security Engineering Research Center of Education Ministry, School of Food and Strategic Reserves, Henan University of Technology, Zhengzhou 450001, China
Interests: postharvest storage of agricultural products; safe storage of grains
Dr. Ying Zhang

E-Mail Website
Guest Editor
School of Life Science, Shanxi University, Taiyuan 030006, China
Interests: food safety; rapid analysis; fluorescence sensing; visual detection; samartphone; advanced nanomaterials

Special Issue Information

Dear Colleagues,

Cereal and oil-based foods are rich sources of carbohydrates, proteins, fats, vitamins, and other essential nutrients, serving as a primary source of nourishment for humans. However, during storage and processing, nutritional components can undergo denaturation and decomposition. These processes may lead to the inevitable loss of nutrients and the formation of harmful substances, which not only diminish the nutritional value of these foods but also pose a potential risk to human health.

This Special Issue focuses on the preservation of nutrients, reductions in the deterioration of quality in food, and the prevention of harmful substances during the storage and processing of cereal and oil-based foods. It also examines the impact of external factors, such as microorganisms, pests, temperature, humidity, and gas composition, on the quality of food throughout these processes. This Special Issue aims to provide an overview of the methods employed to detect quality attributes and harmful substances, while exploring optimal storage and processing technologies for the production of foods that are both safe and nutritionally suitable for consumption.

The scope of this Special Issue includes, but is not limited to, the following topics:

  • Theories and technologies for cereal and oil storage;
  • Effects of storage processes and technologies on food quality;
  • Influence of environmental factors on the quality of stored and processed cereals and oils (e.g., molds, pests, temperature, humidity, nitrogen, carbon dioxide, etc.);
  • Development of (rapid) detection methods for harmful substances or components;
  • Identification and control of harmful substances or components.

Dr. Dongdong Zhang
Dr. Yukun Yang
Dr. Qiong Wu
Dr. Ying Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cereal and oil-based foods
  • quality preservation
  • harmful components
  • environmental factors
  • detection and control

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (5 papers)

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Research

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16 pages, 6610 KiB  
Article
Optimization of Solid-State Fermentation Process for Dietary Fiber in Flaxseed Meal and Analysis of Its Microstructure and Functional Properties
by Chunpeng Hou, Yiyang Zhang, Jiaxun Chen, Jianguo Hu, Chenxian Yang, Fusheng Chen, Tingwei Zhu, Ying Xin and Xiaohui Geng
Foods 2025, 14(10), 1722; https://doi.org/10.3390/foods14101722 - 13 May 2025
Viewed by 205
Abstract
Flaxseed meal (FSM) is a by-product of flaxseed product production that is wasted unreasonably at present. In this study, we used Bacillus subtilis K6, a dominant microbial strain, for solid-state fermentation (SSF) of FSM following preliminary screening to improve FSM utilization efficiency and [...] Read more.
Flaxseed meal (FSM) is a by-product of flaxseed product production that is wasted unreasonably at present. In this study, we used Bacillus subtilis K6, a dominant microbial strain, for solid-state fermentation (SSF) of FSM following preliminary screening to improve FSM utilization efficiency and enhance the soluble dietary fiber (SDF) content while modifying its functional properties. FSM’s microstructure was characterized before and after fermentation, and the functional properties of the dietary fiber (DF) in the FSM were assessed. Single-factor experiments combined with response surface methodology were conducted to optimize SSF parameters using SDF yield as the response variable. The optimal conditions were determined as follows: 45 h fermentation time, 40.5 °C temperature, and 1:0.65 material-to-liquid ratio. Under these conditions, the SDF yield reached 33.45 ± 0.24%, an SDF yield increase of 36.92%. Scanning electron microscopy and confocal laser scanning microscopy demonstrated FSM’s structural disruption during fermentation. Furthermore, SDF and insoluble DF showed improved water-holding, oil-holding, and swelling capacities following fermentation. These results indicate that SSF effectively enhances the SDF content in FSM and optimizes its functional properties, thereby providing a theoretical foundation for the valorization of flaxseed by-products. Full article
(This article belongs to the Special Issue Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage)
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18 pages, 5069 KiB  
Article
Effect of Glow Discharge Cold Plasma Treatment on the Physicochemical Properties and Antioxidant Capacity of Maize
by Miao Li, Chengcheng Ren, Caihong Li, Zengxuan Fan, Jiayin Zhu and Chenling Qu
Foods 2025, 14(8), 1312; https://doi.org/10.3390/foods14081312 - 10 Apr 2025
Cited by 1 | Viewed by 333
Abstract
This study evaluated the effect of cold plasma (CP) on the physicochemical properties and antioxidant capacity of maize. CP treatments were performed using a glow discharge, applying argon and/or nitrogen at 50 W, with different working pressures (75, 100, and 125 Pa) and [...] Read more.
This study evaluated the effect of cold plasma (CP) on the physicochemical properties and antioxidant capacity of maize. CP treatments were performed using a glow discharge, applying argon and/or nitrogen at 50 W, with different working pressures (75, 100, and 125 Pa) and exposure times (1, 5, and 10 min). The maize samples were analyzed before and after treatments for color, fatty acid value (FAV), malondialdehyde content, superoxide dismutase and catalase activities, total phenol content (TPC), ascorbic acid content, reduced glutathione content, and antioxidant activity. The antioxidant activity was further evaluated during storage (25 °C for 180 days). After treatments, color parameters (brightness, yellowness, and saturation) showed measurable enhancement, while FAV and malondialdehyde content were significantly reduced by 14.95–56.37% and 11.38–43.71%, respectively. The optimal treatment conditions (100 Pa working pressure and 5 min exposure) maximized antioxidant enzyme activities and bioactive compound levels, accompanied by substantial increases in TPC. Under these conditions, maize samples had the highest organic radical scavenging capacities (DPPH), reaching 1.31-fold (argon plasma) and 1.25-fold (nitrogen plasma) that of untreated sample. During storage, all samples subjected to the optimal combined treatment exhibited higher DPPH radical scavenging capacity and ferric reducing antioxidant potential, along with lower FAVs and malondialdehyde contents compared to the untreated sample. Additionally, the DPPH radical scavenging capacity exhibited statistically inverse correlations with both FAV (r2 = −0.49) and malondialdehyde content (r2 = −0.15), as quantified through Pearson correlation analysis. These findings indicated that glow discharge cold plasma is a potentially effective non-thermal processing technique to enhance bioactive compound accumulation and antioxidant enzyme activity for preserving maize’s physicochemical properties, with possible use in the food industry for sustainable grain preservation strategies, particularly in delaying oxidative deterioration. Full article
(This article belongs to the Special Issue Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage)
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17 pages, 2836 KiB  
Article
The Optimization of Demulsification Using Composite Fatty Acids in Aqueous Enzymatic Extraction and the Changes of the Emulsion Stability During Demulsification
by Zhihua Shao, Xiangrui Kong, Hanxiang Yang, Yiyang Zhang, Chenxian Yang, Fusheng Chen, Zikun Wang, Jiaxun Chen, Tingwei Zhu, Ying Xin and Yu Chen
Foods 2025, 14(5), 749; https://doi.org/10.3390/foods14050749 - 22 Feb 2025
Viewed by 602
Abstract
Aqueous enzymatic extraction (AEE) can simultaneously separate oil and protein. However, a stable O/W emulsion is present in the AEE process, which is not favorable for extracting oils. This study optimized the use of heptanoic and octanoic acids for demulsification in aqueous enzymatic [...] Read more.
Aqueous enzymatic extraction (AEE) can simultaneously separate oil and protein. However, a stable O/W emulsion is present in the AEE process, which is not favorable for extracting oils. This study optimized the use of heptanoic and octanoic acids for demulsification in aqueous enzymatic extraction. The optimal condition for demulsification, including a fatty acid ratio of 1:3 (heptanoic acid to octanoic acid) with 1.00% addition, a reaction time of 40 min, a temperature of 70 °C, and a solid-to-liquid ratio of 1:5, resulted in a demulsification rate of 97.95% ± 0.03%. After demulsification, the particle size of the peanut emulsion increased, while the absolute potential value and conductivity decreased. The type and content of proteins decreased, and the tertiary structure also changed, with tryptophan residues buried within the proteins, shifting the system from a polar to nonpolar environment. The microstructure of the emulsion changed and the emulsion transformed into W/O. To summarize, composite fatty acid had a significant effect on the demulsification of emulsion. Full article
(This article belongs to the Special Issue Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage)
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11 pages, 3013 KiB  
Article
Effect of Dietary Oils with Different Fatty Acid Compositions on Serum Lipid and Gut Microbiota of Rats
by Tingwei Zhu, Yiming Kuai, Xingfeng Guo, Guanhao Bu, Chenxian Yang and Fusheng Chen
Foods 2025, 14(1), 61; https://doi.org/10.3390/foods14010061 - 29 Dec 2024
Cited by 1 | Viewed by 1123
Abstract
The effects of three dietary oils (rapeseed oil, camellia oil, linseed oil) with different fatty acid compositions on the growth performance, digestion and gut microbiota of SD rats after 8 weeks of feeding were studied. The serum metabolic index and liver histomorphology of [...] Read more.
The effects of three dietary oils (rapeseed oil, camellia oil, linseed oil) with different fatty acid compositions on the growth performance, digestion and gut microbiota of SD rats after 8 weeks of feeding were studied. The serum metabolic index and liver histomorphology of rats were measured using an automatic biochemical analyzer and light microscope. Furthermore, 16S rDNA amplicon sequencing technology was used to analyze the gut microbiota. It was found that these differences in fatty acid composition had no significant effect on body fat and liver tissue. However, after digestion, the rapeseed oil group showed lowest triglyceride content (1.22 ± 0.15) and a lower LDL/HDL ratio (0.41 ± 0.02). For gut microbiota distribution, the linseed oil group showed a higher Firmicutes/Bacteroides ratio (6.11 ± 0.54) and a high proportion of Lactobacillus. These data indicate that both the unsaturated fatty acid content and n-3 unsaturated fatty acids collectively had an effect on digestion metabolism, and the influence order may be n-3 unsaturated fatty acids > unsaturated fatty acid content. Full article
(This article belongs to the Special Issue Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage)
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18 pages, 1515 KiB  
Review
Recent Advances in Physicochemical Control and Potential Green Ecologic Strategies Related to the Management of Mold in Stored Grains
by Tianyu Sha, Yujie Lu, Peihuan He, Md Mehedi Hassan and Yehan Tong
Foods 2025, 14(6), 961; https://doi.org/10.3390/foods14060961 - 12 Mar 2025
Viewed by 705
Abstract
Grain serves as an essential cornerstone for sustaining life and social stability. However, during storage grain is often invaded by mold, which leads to mildew issues. This problem diminishes nutrient content and food quality and raises safety concerns, including toxin production, which can [...] Read more.
Grain serves as an essential cornerstone for sustaining life and social stability. However, during storage grain is often invaded by mold, which leads to mildew issues. This problem diminishes nutrient content and food quality and raises safety concerns, including toxin production, which can cause serious economic losses and catastrophic market stability and national food security conditions. Accordingly, implementing effective measures to prevent and control mold is crucial for ensuring grain storage safety. This paper analyzes the molds that affect grain during storage, discussing their varieties, environmental needs, and potential hazards. It also expounds on corresponding prevention and control measures, including physical methods, chemical approaches, innovative mold inhibitors derived from microbes and plants, and micro–nano prevention and control technology. These measures demonstrate significant mold suppression by destroying the cell structure of mold or inhibiting its physiological processes. In particular, micro–nano technology enables the effective embedding and controlled release of active ingredients. It can prolong the release duration and enhance antibacterial stability, thus achieving more effective control effects. Furthermore, it can be concluded that these strategies provide a theoretical foundation to enhance the safety and efficiency of grain storage. Additionally, they assist in more effectively addressing mold-related challenges while ensuring food security. Full article
(This article belongs to the Special Issue Component Change and Regulation of Cereal and Oil-Based Foods During Processing and Storage)
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