Separation Technology in the Analysis of Biogenic Volatile Organic Compounds

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Chromatographic Separations".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 2538

Special Issue Editor


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Guest Editor
Laboratory of Quality and Safety of Agricultural Products, Landscape and Environment, Department of Agriculture, Hellenic Mediterranean University, Stavromenos PC, Heraklion, 71410 Crete, Greece
Interests: volatile compounds; food quality; food safety; honey; honeybee products; apiculture

Special Issue Information

Dear Colleagues,

For decades, Volatile Organic Compounds (VOCs) have been of great interest within the worldwide research community. They are organic compounds of natural or anthropogenic origin with very high vapor pressure and low boiling points. Biogenic VOCs are mainly emitted by plants, but they also can be emitted by animals and microorganisms. They are involved in communication between animals and plants. The branch of chemistry that studies VOCs is known as “Volatilomics”.

This Special Issue focuses on the methods employed in the isolation, separation and identification of VOCs related to biological systems. Manuscripts should focus on—but are not limited to—the following topics:

  • Sampling and preconcentration techniques, such as sorbent enrichment, membrane extraction and headspace techniques.
  • Miniaturized trapping devices.
  • Novel isolation techniques, such as ultrasound-assisted extraction, microwave-assisted solvent extraction, supercritical fluid extraction or subcritical water extraction.
  • Gas Chromatography Mass Spectrometry protocols for use in separation steps.
  • Non-chromatographic methods, such as chemiluminescence, infrared and Raman spectroscopic techniques.
  • Real-time Volatilomics: Proton transfer reaction MS and direct infusion MS techniques.
  • The application of chemometric methods.

Original research papers, reviews and short communications are welcome.

Dr. Eleftherios Alissandrakis
Guest Editor

Manuscript Submission Information

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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. Separations is an international peer-reviewed open access monthly 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 2600 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

  • volatilomics
  • headspace
  • membrane technology
  • adsorption
  • microwave-assisted extraction
  • ultrasound-assisted extraction
  • solid phase microextraction
  • gas chromatography
  • mass spectroscopy
  • chemometrics

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Published Papers (1 paper)

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Research

11 pages, 559 KiB  
Article
Categorization of Marijuana Suspected Policies’ Seizures in Southeast Serbia According to Cannabinoids Content
by Emilija Kostic, Mirjana Djukic, Aleksandra Antovic, Miodrag Zdravkovic, Miroslav Milic, Ivan Stojanovic, Stevan Todorovic and Maja Vujovic
Separations 2023, 10(5), 307; https://doi.org/10.3390/separations10050307 - 12 May 2023
Viewed by 2087
Abstract
Background: The cannabis plant or marijuana has been used since ancient times for different purposes. An increase in the content of THC in cannabis has been observed worldwide, whereas the CBD content is dropping. This study’s main goal was to categorize marijuana suspected [...] Read more.
Background: The cannabis plant or marijuana has been used since ancient times for different purposes. An increase in the content of THC in cannabis has been observed worldwide, whereas the CBD content is dropping. This study’s main goal was to categorize marijuana suspected policies’ seizures (MSPS) based on the cannabinoid component concentrations concerning their potency and age. Methods: The samples were MSPS seized in southeast Serbia from April 2019 to April 2020. The cannabinoid content was determined using gas chromatography with mass spectrometry. Descriptive statistics were performed using Linux LibreOffice Calc. Results: All of the samples had a THC content higher than 0.3%, thus classifying the samples as marijuana according to the Serbian Law on Psychoactive Controlled Substances. The highest concentration of THC was 16.10%, while the lowest was 4.90%. The highest average concentration of THC (12.39%) was found in the buds. Only 11.81% of the samples had a CBD concentration higher than 1%, making all other marijuana samples extremely psychoactive. Most of the samples were older than 2 years, according to the calculated CBN/THC ratio. Conclusion: Our results confirm trends regarding the dominance of THC content in contemporary cannabis worldwide. It is necessary to monitor trends of cannabis potency in Serbia continuously because of its location. Full article
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