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Marine Drugs
Special Issues
Marine Algal Chemical Ecology
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Marine Algal Chemical Ecology

A special issue of Marine Drugs (ISSN 1660-3397). This special issue belongs to the section "Marine Chemoecology for Drug Discovery".

Deadline for manuscript submissions: closed (1 March 2024) | Viewed by 1487

Special Issue Editor

Dr. Ekaterina Dmitrievna Obluchinskaya

E-Mail Website
Guest Editor
Murmansk Marine Biological Institute of the Russian Academy of Sciences, , Russia
Interests: brown algae; Arctic region; metal pollution; extraction; natural deep eutectic solvents; polysaccharides; polyphenols; lipids; pigments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Marine algae live in the coastal waters of the seas and oceans and produce a wide variety of unique compounds that can be used to create different products with beneficial properties. Today, marine algae are considered a source of dietary protein, as well as a basis for biofuel production. The influence of freshwater runoff contaminated with various pollutants is especially strong in shallow waters, where marine algae are fixed on the substrate. It is believed that metals, pesticides, and petroleum products can inhibit the growth and reproduction of algae through an indirect effect on the synthesis of important metabolites.

This Special Issue will focus on highlighting the relationship between chemical contaminants and seaweed metabolites, including industry-relevant pharmaceutical, nutraceutical and cosmetical ingredients (hydrocolloids, polyphenols, proteins, lipids, etc.). Studies of the mechanisms of the toxic effect of pollutants in the composition of fractions of polysaccharides, polyphenols, proteins, and lipids of marine algae are welcome. 

For this Special Issue, we invite academic and industry scientists to submit reviews and original and conceptual research papers highlighting the chemical ecology of wild and farmed marine algae in the world ocean

Dr. Ekaterina Dmitrievna Obluchinskaya
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. 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

  • marine algae
  • chemical ecology
  • polysaccharides
  • proteins
  • lipids
  • polyphenols

Published Papers (1 paper)

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Research

22 pages, 2735 KiB  
Article
Ascophyllum nodosum (Linnaeus) Le Jolis from Arctic: Its Biochemical Composition, Antiradical Potential, and Human Health Risk
by Ekaterina D. Obluchinskaya, Olga N. Pozharitskaya, Elena V. Gorshenina, Anna V. Daurtseva, Elena V. Flisyuk, Yuliya E. Generalova, Inna I. Terninko and Alexander N. Shikov
Mar. Drugs 2024, 22(1), 48; https://doi.org/10.3390/md22010048 - 19 Jan 2024
Cited by 1 | Viewed by 1916
Abstract
Ascophyllum nodosum is a brown seaweed common in Arctic tidal waters. We have collected A. nodosum samples from the Barents Sea (BS), Irminger Sea (IS), and Norwegian Sea (NS) in different reproductive stages and have evaluated their biochemical composition, radical scavenging potential, and [...] Read more.
Ascophyllum nodosum is a brown seaweed common in Arctic tidal waters. We have collected A. nodosum samples from the Barents Sea (BS), Irminger Sea (IS), and Norwegian Sea (NS) in different reproductive stages and have evaluated their biochemical composition, radical scavenging potential, and health risks. The total content of dominating carbohydrates (fucoidan, mannitol, alginate, and laminaran) ranged from 347 mg/g DW in NS to 528 mg/g DW in BS. The proportion of two main structural monosaccharides of fucoidan (fucose and xylose) differed significantly between the seas and reproductive phase, reaching a maximum at the fertile phase in the BS sample. Polyphenols and flavonoids totals were highest in NS A. nodosum samples and increased on average in the following order: BS < IS < NS. A positive correlation of free radical scavenging activity for seaweed extracts with polyphenols content was observed. The concentration of elements in A. nodosum from the Arctic seas region was in the following order: Ca > Mg > Sr > Fe > Al > Zn > As total > Rb > Mn > Ba > Cu > Co. Seaweeds from BS had the lowest metal pollution index (MPI) of 38.4. A. nodosum from IS had the highest MPI of 83. According to the calculated target hazard quotient (THQ) and hazard index (HI) values, Arctic A. nodosum samples pose no carcinogenic risk to adult and child health and are safe for regular consumption. Our results suggest that the Arctic A. nodosum has a remarkable potential for food and pharmaceutical industries as an underestimated source of polysaccharides, polyphenols, and flavonoids. Full article
(This article belongs to the Special Issue Marine Algal Chemical Ecology)
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