Lipidomics in Marine Microalgae and Seaweeds: Applications and Perspectives

A special issue of Marine Drugs (ISSN 1660-3397). This special issue belongs to the section "Marine Biotechnology Related to Drug Discovery or Production".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 266

Special Issue Editors


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Guest Editor
Researcher, CESAM—Centre of Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Aveiro, Portugal
Interests: lipidomics; marine lipids; bioactive lipids; fatty acids

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Guest Editor
Researcher, LAQV-REQUIMTE—Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology, Department of Chemistry, University of Aveiro, Aveiro, Portugal
Interests: mass spectrometry; lipidomics; algae lipids; PUFA
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Special Issue Information

Dear Colleagues,

Marine microalgae and seaweeds stand out for their immense potential as rich sources of valuable compounds, with lipids being pivotal among them. These key structural and functional biomolecules exhibit remarkable diversity, encompassing various classes characterised by distinct structural features. Ranging from fatty acids and sterols to more complex lipids such as phospholipids, glycolipids, and betaine lipids, each class contributes unique functional properties contingent upon its structural characteristics. Of particular significance, algae lipids emerge as a prominent source of omega-3 polyunsaturated fatty acids (PUFA), renowned for their association with health benefits. However, the significance of lipids extends beyond their role as PUFA sources. Algae lipids harbour bioactive properties and serve as vast reservoirs of phytochemicals, a field yet to be fully explored.

The unique properties of algae lipids make them particularly intriguing for applications in various fields, including nutraceuticals, pharmaceuticals, and cosmeceuticals. As the lipidomics field has experienced notable advancements in recent years, exploring the lipid profiles and bioactivity properties of marine algae has become paramount.

This Special Issue is dedicated to exploring lipid-related topics specific to marine microalgae and seaweeds, particularly those employing lipidomics approaches. The scope encompasses the diversity of lipid profiles, the identification of novel lipid species, lipid metabolism, and the functional roles of lipids in these marine organisms. The manuscripts included in this Special Issue will delve into crucial aspects, including extraction methodologies, profiling techniques, and the evaluation of the biological activities of lipids recovered from biomass as by-products.

Dr. Diana Lopes
Dr. Ana S. P. Moreira
Guest Editors

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. Marine Drugs 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 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

  • lipidomics
  • algae lipids
  • microalgae and seaweeds
  • lipid metabolism
  • fatty acids

Published Papers (1 paper)

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Research

16 pages, 951 KiB  
Article
Tracing the Impact of Domestic Storage Conditions on Antioxidant Activity and Lipid Profiles in the Edible Microalgae Chlorella vulgaris and Tetraselmis chui
by Diana Lopes, Felisa Rey, Alexandrina Gomes, Luís Duarte, João Pereira, Marisa Pinho, Tânia Melo and Rosário Domingues
Mar. Drugs 2024, 22(6), 254; https://doi.org/10.3390/md22060254 - 30 May 2024
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Abstract
The microalgae Chlorella vulgaris and Tetraselmis chui are valued for their nutrient-rich content, including lipids and polyunsaturated fatty acids (PUFA). However, little is known about how storage and processing affect their lipid quality. This study aimed to assess the impact of domestic storage [...] Read more.
The microalgae Chlorella vulgaris and Tetraselmis chui are valued for their nutrient-rich content, including lipids and polyunsaturated fatty acids (PUFA). However, little is known about how storage and processing affect their lipid quality. This study aimed to assess the impact of domestic storage and cooking practices in dried biomass of C. vulgaris and T. chui. Four conditions were tested: control (newly opened package), light (storage at room temperature and daily light regimen for three weeks), frozen (storage in the freezer at −20 °C for three weeks), and heated (three cycles of 90 min at 100 °C). Lipid extracts were analyzed by GC-MS and LC-MS, and antioxidant activity through DPPH and ABTS radical scavenging assays. Tested storage conditions promoted a decrease in fatty acid content and in diacyl/lyso lipid species ratios of phospholipid (PC/LPC, PE/LPE) and betaine lipids (DGTS/MGTS). Lipid extracts from light treatment showed the lowest antioxidant activity in C. vulgaris (ABTS, IC40: 104.9; DPPH, IC20: 187.9 ± 15.0), while heat affected the antioxidant activity of T. chui (ABTS, IC40: 88.5 ± 2.8; DPPH, IC20 209.4 ± 10.9). These findings underscore the impact of managing storage and processing conditions to optimize the nutritional and functional benefits of C. vulgaris and T. chui in food and feed applications. Full article
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