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Analytical Methods in the Field of Foods Analysis

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

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 7096

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Special Issue Editor

Dr. Serkan Selli

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Guest Editor

Department of Food Engineering, Faculty of Agriculture, Cukurova University, 1330 Adana, Turkey
Interests: food chemistry; volatile compounds; key odorants; phenolic compounds
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Food analysis is a field that has a significant influence on both the economic and medical elements of modern societies, since it is at the crossroads of industrial, medicinal, and regulatory demands. Additionally, any product meant for human consumption must be thoroughly tested since foods are consumed; this testing is extremely important to avoid any potential health problems.

The development of analytical techniques for food matrices has always been difficult owing to the wide range of physicochemical features that might affect analyte structure and extraction efficiency as a result of varied processing during preparation and distribution. Despite the difficulties associated with this, analytical methods are bound to be updated and innovated constantly to match the evolving speed of the food industry.

Against this backdrop, we are launching this Special Issue entitled “Analytical Methods in the Field of Foods Analysis”. This Special Issue focuses on introducing and comparing recent advances in analytical techniques used for volatiles, bioactive compounds, contaminants, and other related components from foods.

Dr. Serkan Selli
Guest Editor

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

analytical methods
sensors
mass spectrometry
chromatography
green methods
extraction
sample preparation

Published Papers (3 papers)

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Research

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16 pages, 2965 KiB

Open AccessArticle

Species Identification of Caviar Based on Multiple DNA Barcoding

by Qingqing Hu, Yingqiu Pan, Huili Xia, Kexin Yu, Yian Yao and Feng Guan

Molecules 2023, 28(13), 5046; https://doi.org/10.3390/molecules28135046 - 28 Jun 2023

Viewed by 1183

Abstract

This study aimed to explore the applicability of DNA barcoding for assessing the authenticity of caviar on the Chinese market. A set of universal COI primers and two sets of designed primers based on COI and D-loop genes were used to identify maternal species of samples from 21 batches of caviar. The results showed that the PCR products from three sets of primers had more than 98% similarity to the sequences in database. The COI gene could not distinguish sturgeons with closed genetic relationships, while D-loop gene could effectively improve the accuracy of DNA barcoding and was more suitable to the identification of interspecific sturgeon than the COI gene. The neighbor-joining dendrogram further confirmed the applicability and accuracy of COI and D-loop genes in identifying maternal relatives of caviar (Acipenser baerii/Acipenser gueldenstaedtii/Acipenser schrenckii/Huso dauricus/Huso huso). Despite the limitations of mitochondrial DNA in identifying hybrid sturgeon species, the presence of counterfeit caviar of non-sturgeon ingredients could be excluded. All the caviar samples were identified successfully as sturgeon species, but the mislabeling rate of species was 33.4%, indicating that there were illegal phenomena such as disorderly labeling, mislabeling, and adulteration on the market. Full article

(This article belongs to the Special Issue Analytical Methods in the Field of Foods Analysis)

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26 pages, 1741 KiB

Open AccessArticle

Critical Evaluation of Two Qualitative Analytical Approaches for Multiclass Determination of Veterinary Drugs in Bovine Muscle Using UHPLC-Q-Orbitrap: The Wind of Change in Brazilian Monitoring

by Ramon Alves de Oliveira Paula, Carina de Souza Gondim, Eduardo Morgado Schmidt, Maria Helena Glicério Marcelina Diniz, Mary Ane Gonçalves Lana and Leandro Soares de Oliveira

Molecules 2023, 28(10), 4150; https://doi.org/10.3390/molecules28104150 - 17 May 2023

Cited by 1 | Viewed by 1586

Abstract

Food safety is recognized as a main requirement for consumers, food industries, and official laboratories. Here, we present the optimization and screening qualitative validation of two multianalyte methods in bovine muscle tissues by ultra-high-performance liquid chromatography coupled to high-resolution mass spectrometry with an Orbitrap-type analyzer, operated with a heated ionization source in positive and negative mode. This aims for not only the simultaneous detection of veterinary drugs regulated in Brazil but also the prospection of antimicrobials not yet monitored. Two different sample preparation procedures were applied: method A—generic solid-liquid extraction with 0.1% formic acid (v/v) in an aqueous solution of EDTA 0.1% (w/v)—acetonitrile-methanol (1:1:1, v/v/v), followed by an additional ultrasound-assisted extraction and method B—QuEChERS. In both procedures, selectivity showed satisfactory conformity. From a detection capability (CCβ) equivalent to ½ the maximum residue limit, >34% of the analyte resulted in a false positive rate of <5%, preponderant by the QuEChERS method, which exhibited a higher yield of the sample. The results showed the potential application of both procedures in the routine analysis of foods by official laboratories, enabling the expansion of this methodological portfolio as well as its analytical scopes, thus optimizing the control of residues of veterinary drugs in the country. Full article

(This article belongs to the Special Issue Analytical Methods in the Field of Foods Analysis)

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Review

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15 pages, 1399 KiB

Open AccessReview

Rapid Sensing: Hand-Held and Portable FTIR Applications for On-Site Food Quality Control from Farm to Fork

by Nur Cebi, Hatice Bekiroglu, Azime Erarslan and Luis Rodriguez-Saona

Molecules 2023, 28(9), 3727; https://doi.org/10.3390/molecules28093727 - 26 Apr 2023

Cited by 9 | Viewed by 3776

Abstract

Today, one of the world’s biggest problems is the assurance of food integrity from farm to fork. Economically motivated food adulteration and food authenticity problems are increasing daily with considerable health and economic effects. Early detection and prevention of food integrity-related problems could be provided by the application of effective on-site food analysis technologies. FTIR spectroscopy coupled with chemometrics can be used for the rapid quality control of a wide variety of food products with fast, high-throughput, accurate and nondestructive analysis advantages. In particular, hand-held and portable FTIR instruments have the potential to surveil food quality and food safety in various critical segments of the food supply chain. In this review, we explore the abilities of hand-held and portable FTIR spectrometers combined with multivariate statistics to conduct a quality evaluation of various food products in terms of food adulteration and authenticity issues. An examination of the literature showed that comparable results were obtained based on detection limits, correlation coefficient (R²) values, standard error values and discrimination power by using both portable/hand-held FTIR spectrometers and benchtop FTIR spectrometers. In conclusion, this review highlights the potential usefulness of portable and hand-held FTIR spectrometers combined with chemometrics for maintaining the food quality through the presentation of various applications that may shed light for on-site food control at any point of the food supply chain. Full article

(This article belongs to the Special Issue Analytical Methods in the Field of Foods Analysis)

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