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Molecules
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Advances in Application of Raman Spectroscopy in Food Safety
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Advances in Application of Raman Spectroscopy in Food Safety

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 3388

Special Issue Editors

Dr. Iwona Stawoska

E-Mail Website
Guest Editor
Institute of Biology and Earth Sciences, University of the National Education Commission, Krakow, Poland
Interests: raman spectroscopy; wheat allergy; gluten proteins; gliadins; amide I
Prof. Dr. Gabriela Gołębiowska-Paluch

E-Mail Website
Guest Editor
Institute of Biology and Earth Sciences, University of the National Education Commission, Krakow, Poland
Interests: 2D PAGE; LC-MS; western blot; rice seed proteins; barley protein profiling; triticale protein profiling
Prof. Dr. Aleksandra Wesełucha-Birczyńska

E-Mail Website
Guest Editor
Faculty of Chemistry, Jagiellonian University, Kraków, Poland
Interests: raman spectroscopy

Special Issue Information

Dear Colleagues,

It is a great pleasure to announce this Special Issue on “Advances in Application of Raman Spectroscopy in Food Safety”.

In response to the popularity of various types of diets in nutrition, the demand for food production, with particular emphasis on that of plant origin, is constantly growing. In order to optimize yields, improve quality or obtain desired characteristics, pesticides and fertilizers, as well as genetic modifications of already existing species are used. The sensitivity of plants to various biotic and abiotic stress factors is also checked. Furthermore, both plant and animal food products are tested for the presence of potentially harmful xenobiotic substances.

All these treatments are aimed at caring for the health of consumers, reducing diseases and extending and improving the quality of life.

Food ingredients can be analyzed using various techniques, among which spectroscopic methods are particularly popular. The latter include Raman spectroscopy which allows exploring the molecular structures of biochemical compounds and the composition of the sample in a non-destructive manner.
Furthermore, the great advancement of gel-based and non-gel techniques allows the determination of the protein abundance of food samples and the identification of ingredients.

In this Special Issue, we invite researchers to contribute original research and review articles that concentrate on the food safety studied with Raman spectroscopy as well as gel and non-gel protein profiling methods. Special interest is devoted to the effects on the prevention and treatment of civilization diseases for example allergies.

Dr. Iwona Stawoska
Prof. Dr. Gabriela Gołębiowska-Paluch
Prof. Dr. Aleksandra Wesełucha-Birczyńska
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. Molecules 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 2700 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

  • raman spectroscopy
  • gel and non-gel protein profiling
  • food safety
  • prevention
  • civilization diseases
  • proteins
  • biomolecules
  • allergies
  • food modification

Published Papers (2 papers)

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Research

16 pages, 3368 KiB  
Article
Determination of Dicofol in Tea Using Surface-Enhanced Raman Spectroscopy Coupled Chemometrics
by Qian Ke, Limei Yin, Heera Jayan, Hesham R. El-Seedi, Paula L. Gómez, Stella M. Alzamora, Xiaobo Zou and Zhiming Guo
Molecules 2023, 28(14), 5291; https://doi.org/10.3390/molecules28145291 - 08 Jul 2023
Viewed by 1096
Abstract
Dicofol is a highly toxic residual pesticide in tea, which seriously endangers human health. A method for detecting dicofol in tea by combining stoichiometry with surface-enhanced Raman spectroscopy (SERS) technology was proposed in this study. AuNPs were prepared, and silver shells were grown [...] Read more.
Dicofol is a highly toxic residual pesticide in tea, which seriously endangers human health. A method for detecting dicofol in tea by combining stoichiometry with surface-enhanced Raman spectroscopy (SERS) technology was proposed in this study. AuNPs were prepared, and silver shells were grown on the surface of AuNPs to obtain core–shell Au@AgNPs. Then, the core–shell Au@AgNPs were attached to the surface of a PDMS membrane by physical deposition to obtain a Au@AgNPs/PDMS substrate. The limit of detection (LOD) of this substrate for 4-ATP is as low as 0.28 × 10−11 mol/L, and the LOD of dicofol in tea is 0.32 ng/kg, showing high sensitivity. By comparing the modeling effects of preprocessing and variable selection algorithms, it is concluded that the modeling effect of Savitzky–Golay combined with competitive adaptive reweighted sampling–partial least squares regression is the best (Rp = 0.9964, RPD = 10.6145). SERS technology combined with stoichiometry is expected to rapidly detect dicofol in tea without labels. Full article
(This article belongs to the Special Issue Advances in Application of Raman Spectroscopy in Food Safety)
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16 pages, 3491 KiB  
Article
Detection and Quantification of Adulteration in Krill Oil with Raman and Infrared Spectroscopic Methods
by Fatema Ahmmed, Keith C. Gordon, Daniel P. Killeen and Sara J. Fraser-Miller
Molecules 2023, 28(9), 3695; https://doi.org/10.3390/molecules28093695 - 25 Apr 2023
Cited by 2 | Viewed by 1812
Abstract
Raman and infrared spectroscopy, used as individual and low-level fused datasets, were evaluated to identify and quantify the presence of adulterants (palm oil, PO; ω-3 concentrates in ethyl ester, O3C and fish oil, FO) in krill oil. These datasets were qualitatively analysed with [...] Read more.
Raman and infrared spectroscopy, used as individual and low-level fused datasets, were evaluated to identify and quantify the presence of adulterants (palm oil, PO; ω-3 concentrates in ethyl ester, O3C and fish oil, FO) in krill oil. These datasets were qualitatively analysed with principal component analysis (PCA) and classified as adulterated or unadulterated using support vector machines (SVM). Using partial least squares regression (PLSR), it was possible to identify and quantify the adulterant present in the KO mixture. Raman spectroscopy performed better (r2 = 0.98; RMSEP = 2.3%) than IR spectroscopy (r2 = 0.91; RMSEP = 4.2%) for quantification of O3C in KO. A data fusion approach further improved the analysis with model performance for quantification of PO (r2 = 0.98; RMSEP = 2.7%) and FO (r2 = 0.76; RMSEP = 9.1%). This study demonstrates the potential use of Raman and IR spectroscopy to quantify adulterants present in KO. Full article
(This article belongs to the Special Issue Advances in Application of Raman Spectroscopy in Food Safety)
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