Marine Antioxidants: Isolation Techniques and Nutraceutical Applications

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Extraction and Industrial Applications of Antioxidants".

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 2166

Special Issue Editors


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Guest Editor
MARE-Marine and Environmental Sciences Centre, Polytechnic University of Leiria, 2520-630 Peniche, Portugal
Interests: chemistry of marine natural products; extraction and fractionation; purification and identification of phytochemicals; nutraceuticals; in vitro antioxidant activity
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
MARE-Marine and Environmental Sciences Centre, Polytechnic University of Leiria, 2520-630 Peniche, Portugal
Interests: nutraceuticals; functional foods; foods formulation; antioxidant activity; health benefits
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The marine environment is one of the most important sources of nutrients, with its consumption the main way of nutrient intake for many people around the world. Marine-derived foods provide carbohydrates, lipids, proteins, vitamins, and mineral elements that are essential for human nutrition and the maintenance of body health. However, besides their nutritional value, they also provide other bioactive ingredients that are recognized for their strong antioxidant capacity and ability to counteract and/or provide some protection against many chronic diseases such as cancer, diabetes, cardiovascular, inflammatory, and neurodegenerative disorders. This Special Issue intends to share cutting-edge research on nutraceuticals based on marine antioxidant compounds. Therefore, works focused on their isolation and chemical characterization, bioavailability and bioaccessibility assessment, structure–bioactivity relationships, and the underlying mechanisms of action using the most recent in vitro and in vivo models, are welcome. Additionally, well-supported studies relating health benefits to the consumption of antioxidant nutraceuticals will also be considered.

Dr. Alice Martins
Dr. Joaquina Pinheiro
Guest Editors

Manuscript Submission Information

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Keywords

  • marine-derived antioxidants
  • marine nutraceuticals
  • isolation and chemical characterization
  • antioxidant mechanisms of action
  • structure–activity relationship
  • proven health benefits

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Published Papers (1 paper)

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Review

47 pages, 5907 KiB  
Review
Marine Antioxidants from Marine Collagen and Collagen Peptides with Nutraceuticals Applications: A Review
by Emin Cadar, Ana-Maria Pesterau, Irina Prasacu, Ana-Maria Ionescu, Carolina Pascale, Ana-Maria Laura Dragan, Rodica Sirbu and Cezar Laurentiu Tomescu
Antioxidants 2024, 13(8), 919; https://doi.org/10.3390/antiox13080919 - 29 Jul 2024
Viewed by 1735
Abstract
Collagen peptides and marine collagen are enormous resources currently utilized. This review aims to examine the scientific literature to determine which collagen peptides derived from marine sources and which natural active antioxidants from marine collagen have significant biological effects as health-promoting nutraceuticals. Marine [...] Read more.
Collagen peptides and marine collagen are enormous resources currently utilized. This review aims to examine the scientific literature to determine which collagen peptides derived from marine sources and which natural active antioxidants from marine collagen have significant biological effects as health-promoting nutraceuticals. Marine collagen is extracted from both vertebrate and invertebrate marine creatures. For vertebrates, this includes fish skin, bones, scales, fins, and cartilage. For invertebrates, it includes mollusks, echinoderms, crustaceans, and poriferans. The method used involved data analysis to organize information for isolating and identifying marine biocompounds with antioxidant properties. Specifically, amino acids with antioxidant properties were identified, enabling the use of hydrolysates and collagen peptides as natural antioxidant nutraceuticals. The methods of extraction of hydrolyzed collagen and collagen peptides by different treatments are systematized. The structural characteristics of collagen, collagen peptides, and amino acids in fish skin and by-products, as well as in invertebrate organisms (jellyfish, mollusks, and crustaceans), are described. The antioxidant properties of different methods of collagen hydrolysates and collagen peptides are systematized, and the results are comparatively analyzed. Their use as natural antioxidant nutraceuticals expands the range of possibilities for the exploitation of natural resources that have not been widely used until now. Full article
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