Application of Gas Chromatography/Mass Spectrometry-Based Metabolomics for Food Authentication and Quality Assessment

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

Deadline for manuscript submissions: closed (15 February 2023) | Viewed by 5950

Special Issue Editors


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Guest Editor
Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
Interests: safety control of foodborne hazards in agricultural products
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
Interests: food authenticity; geographical origin; stable isotope; food safety; risk assessment; organic food
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The economically motivated adulteration (EMA) of food and its quality evaluation has been a major issue of global concern due to increasing public awareness on human health. Metabolomics has special advantages in facilitating the understanding of change of small molecule metabolites for foods from different origins, production methods, processing technologies. For that, metabolomic has been widely applied in food science focused on food compounds, quality, toxicology and microbiology. Gas chromatography-mass spectrometry (GC-MS) is one of the most frequently used instruments in metabolomic analysis because of high reproducibility, stability, and convenient data processing.

In this Special Issue of Foods, we encourage the submission of manuscripts focused on all aspects of metabolomics-based food authentication and quality assessment using GC or GC-MS. The topics include, but are not limited to, the following: identification of authenticity and adulteration of food, analysis of food endogenous components including flavors and off-flavors, the influence of food processing and storage on food quality, the sources of contaminants (e.g., food additives, pesticides, veterinary drugs, microbes, toxins) and components in food, the transformation laws of hazard factors in food processing and storage.

Prof. Dr. Jinhui Zhou
Prof. Dr. Yuwei Yuan
Guest Editors

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Keywords

  • gas chromatography
  • mass spectrometry
  • metabolomics
  • food authenticity and adulteration
  • food quality evaluation
  • food components
  • food hazard substances

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Published Papers (2 papers)

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Research

13 pages, 4781 KiB  
Article
The Discrimination and Characterization of Volatile Organic Compounds in Different Areas of Zanthoxylum bungeanum Pericarps and Leaves by HS-GC-IMS and HS-SPME-GC-MS
by Xinlong Wu, Jiaxin Yin, Hui Ding, Wei Li, Lifeng Han, Wenzhi Yang, Fangyi Li, Xinbo Song, Songtao Bie, Xingchu Gong, Heshui Yu and Zheng Li
Foods 2022, 11(22), 3745; https://doi.org/10.3390/foods11223745 - 21 Nov 2022
Cited by 8 | Viewed by 2719
Abstract
The pericarps of Zanthoxylum bungeanum (ZBP) and leaves of Zanthoxylum bungeanum (ZBL) are popular spices in China, and they have pharmacological activities as well. In this experiment, the volatile organic compounds (VOCs) of the pericarps of Zanthoxylum bungeanum in Sichuan (SJ) and its [...] Read more.
The pericarps of Zanthoxylum bungeanum (ZBP) and leaves of Zanthoxylum bungeanum (ZBL) are popular spices in China, and they have pharmacological activities as well. In this experiment, the volatile organic compounds (VOCs) of the pericarps of Zanthoxylum bungeanum in Sichuan (SJ) and its leaves (SJY) and the pericarps of Zanthoxylum bungeanum in Shaanxi (SHJ) and its leaves (SHJY) were analyzed by headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). The fingerprint of HS-GC-IMS and the heat maps of HS-SPME-GC-MS were established. Principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were performed. The results showed that a total of 95 components were identified, 62 components identified by HS-SPME-GC-MS and 40 components identified by HS-GC-IMS, of which 7 were the same. The analysis found that SJ and SHJ were obviously distinguished, while SJY and SHJY were not. There were considerably fewer VOCs in the leaves than in the pericarps. In the characterization of the VOCs of ZBL and ZBP, the flavor of ZBP was more acrid and stronger, while the flavor of ZBL was lighter and slightly acrid. Thirteen and eleven differential markers were identified by HS-GC-IMS and HS-SPME-GC-MS, respectively. This is helpful in distinguishing between SHJ and SJ, which contributes to their quality evaluation. Full article
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12 pages, 2129 KiB  
Article
Effects of Drying Methods on the Physicochemical Aspects and Volatile Compounds of Lyophyllum decastes
by Bin Yang, Jianhang Huang, Wensong Jin, Shujing Sun, Kaihui Hu and Jiahuan Li
Foods 2022, 11(20), 3249; https://doi.org/10.3390/foods11203249 - 18 Oct 2022
Cited by 6 | Viewed by 2099
Abstract
In this study, fresh Lyophyllum decastes was dried using hot air drying (HAD), hot air combined with vacuum drying (HAVD), and vacuum freeze drying (VFD). Additionally, the quality and volatile compounds were analyzed. VFD achieved the best color retention, the highest rehydration capacity, [...] Read more.
In this study, fresh Lyophyllum decastes was dried using hot air drying (HAD), hot air combined with vacuum drying (HAVD), and vacuum freeze drying (VFD). Additionally, the quality and volatile compounds were analyzed. VFD achieved the best color retention, the highest rehydration capacity, and the slightest damaged tissue structure; however, it recorded the longest drying time and the highest energy consumption. HAD was the most energy-efficient of the three methods. Furthermore, the products with more hardness and elasticity were obtained by HAD and HAVD—this finding was convenient for transportation. In addition, GC-IMS demonstrated that the flavor components had significantly changed after drying. A total of 57 volatile flavor compounds was identified, and the aldehyde, alcohol, and ketone compounds were the primary ingredient of the L. decastes flavor component, whereby the relative content of the HAD sample was apparently higher than HAVD and VFD. Taken together, VFD was better at preserving the color and shape of fresh L. decastes, but HAD was more appropriate for drying L. decastes because of the lower energy consumption, and was more economical. Meanwhile, HAD could be used to produce a more intense aroma. Full article
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