Food and Food-Derived Products from Seaweeds

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Nutraceuticals, Functional Foods, and Novel Foods".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 10376

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Unité de Recherche Aliments Bioprocédés Toxicologie Environnements (ABTE) EA 4651, UNICAEN, Normandie University, 14000 Caen, France
Interests: food toxicology; marine products; food safety; risk analysis; microalgae; phycotoxins; ciguatera; functional food; cheese microbiology
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Special Issue Information

Dear Colleagues,

This Special Issue of Foods is focused on “Food and Food-Derived Products from Seaweeds”. Edible seaweeds are widely consumed, especially in Asian countries, as fresh, dried, or ingredients in prepared foods. Asian meals such as sushi are consumed worldwide, but the quantity remains low in other parts of the world. As the global population is increasing constantly, in recent years, an increased interest in developing new sources of  protein alternative to animal proteins has been observed. In particular, interest has grown in the area of plant-based proteins: seaweeds including macroalgae, microalgae, halophytes, and products based on seaweed are potential food products. Some freshwater algae are also relevant, but a high culinary interest and safety must be privileged. The main potential of these seaweeds lies in the fact that they are low-energy-consuming organisms and meanwhile they have ability to become a source of high-quality protein with good digestibility. The production of technological food ingredients, food additives, or food supplements should also be taken into consideration. We welcome you to submit your research focusing on the technology to improve the digestibility of this kind of food , especially fermentation or the preparation of protein concentrates/extracts. Organic seaweed cultures should be presented in consideration of food safety, for example lowering heavy metals contamination below the safety threshold or suppressing the presence of pesticides.  

Review and research papers addressing these different points are welcomed, as are papers describing the chemical composition of seaweeds. 

Apart from the food industry, biologically active compounds (i.e., health products derived from seaweed) have been prepared, and they could play a role in the prevention of diseases such as cancer, inflammation, arthritis, diabetes, and hypertension. No information is currently available for the influence of seaweed products on neurodegeneration. Our knowledge on this field needs to be updated. 

This special issue is now open for submission of review or research papers. Topics covered in this Special Issue include but are not limited to:

  • Edible brown, red and green seaweeds having dietary and nutritional value (macroalgae, microalgae, halophyte);
  • Seaweeds-related food products (high-quality proteins, polysaccharides, gums or alginate ingredients, fibers, antioxydant additives, dietary supplements);
  • Seaweeds-food safety, organic seaweeds cultures;
  • Seaweeds use in the food industry: protein concentrates and fermented seaweeds-food products;
  • Microalgae dietary supplements (omega 3, astaxanthine…) : nutraceutical and functional seaweeds and derived- health ingredients (with a focus on the prevention of diseases such as cancer, inflammation, arthritis, diabetes, hypertension or neurodegeneration.

Prof. Dr. Jean-Paul Vernoux
Guest Editor

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Keywords

  • edible brown, red and green seaweeds having dietary and nutritional value (macroalgae, microalgae, halophyte);
  • seaweeds-related food products (high-quality proteins, polysaccharides, gums or alginate ingredients, fibers, antioxydant additives, dietary supplements); seaweeds-food safety, organic seaweeds cultures;
  • seaweeds use in the food industry;
  • protein concentrates and fermented seaweeds-food products;
  • microalgae dietary supplements (omega 3, astaxanthine…);
  • nutraceuticals and functional seaweeds and derived- health ingredients (with a focus on the prevention of diseases such as cancer, inflammation, arthritis, diabetes, hypertension or neurodegeneration)

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Published Papers (3 papers)

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Research

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16 pages, 3581 KiB  
Article
Low-Molecular-Weight Seaweed-Derived Polysaccharides Lead to Increased Faecal Bulk but Do Not Alter Human Gut Health Markers
by Ciara D. Bannon, Julia Eckenberger, William John Snelling, Chloe Elizabeth Huseyin, Philip Allsopp, Conall Strain, Priya Ramnani, Roberto Chitarrari, John Grant, Sarah Hotchkiss, Kevin Philp, Ross Campbell, Kieran Michael Tuohy, Marcus J. Claesson, Nigel George Ternan, James S. G. Dooley, Roy D. Sleator, Ian Rowland and Chris I. R. Gill
Foods 2021, 10(12), 2988; https://doi.org/10.3390/foods10122988 - 3 Dec 2021
Cited by 3 | Viewed by 2758
Abstract
Seaweeds are potentially sustainable crops and are receiving significant interest because of their rich bioactive compound content; including fatty acids, polyphenols, carotenoids, and complex polysaccharides. However, there is little information on the in vivo effects on gut health of the polysaccharides and their [...] Read more.
Seaweeds are potentially sustainable crops and are receiving significant interest because of their rich bioactive compound content; including fatty acids, polyphenols, carotenoids, and complex polysaccharides. However, there is little information on the in vivo effects on gut health of the polysaccharides and their low-molecular-weight derivatives. Herein, we describe the first investigation into the prebiotic potential of low-molecular-weight polysaccharides (LMWPs) derived from alginate and agar in order to validate their in vivo efficacy. We conducted a randomized; placebo-controlled trial testing the impact of alginate and agar LWMPs on faecal weight and other markers of gut health and on composition of gut microbiota. We show that these LMWPs led to significantly increased faecal bulk (20–30%). Analysis of gut microbiome composition by sequencing indicated no significant changes attributable to treatment at the phylum and family level, although FISH analysis showed an increase in Faecalibacterium prausnitzii in subjects consuming agar LMWP. Sequence analysis of gut bacteria corroborated with the FISH data, indicating that alginate and agar LWMPs do not alter human gut microbiome health markers. Crucially, our findings suggest an urgent need for robust and rigorous human in vivo testing—in particular, using refined seaweed extracts. Full article
(This article belongs to the Special Issue Food and Food-Derived Products from Seaweeds)
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14 pages, 1149 KiB  
Article
An Assessment of Selected Nutritional, Bioactive, Thermal and Technological Properties of Brown and Red Irish Seaweed Species
by Halimah O. Mohammed, Michael N. O’Grady, Maurice G. O’Sullivan, Ruth M. Hamill, Kieran N. Kilcawley and Joseph P. Kerry
Foods 2021, 10(11), 2784; https://doi.org/10.3390/foods10112784 - 12 Nov 2021
Cited by 26 | Viewed by 3551
Abstract
Irish edible brown (Himanthalia elongata—sea spaghetti, Alaria esculenta—Irish wakame) and red seaweeds (Palmaria palmata—dulse, Porphyra umbilicalis—nori) were assessed for nutritional (proximate composition; salt; pH; amino acid; mineral and dietary fibre contents); bioactive (total phenolic content (TPC) and [...] Read more.
Irish edible brown (Himanthalia elongata—sea spaghetti, Alaria esculenta—Irish wakame) and red seaweeds (Palmaria palmata—dulse, Porphyra umbilicalis—nori) were assessed for nutritional (proximate composition; salt; pH; amino acid; mineral and dietary fibre contents); bioactive (total phenolic content (TPC) and in vitro antioxidant activity (DPPH and FRAP)); thermal (thermogravimetric analysis (TGA)); and technological (water holding capacity (WHC), oil holding capacity (OHC) and swelling capacity (SC)) properties. Red seaweeds had higher (p < 0.05) protein levels, whereas brown seaweeds possessed higher (p < 0.05) moisture, ash, insoluble and total dietary fibre contents. Nori had the lowest (p < 0.05) salt level. Seaweed fat levels ranged from 1 to 2% DW. Aspartic and glutamic acids were the most abundant amino acids. The total amino acid (TAA) content ranged from 4.44 to 31.80%. Seaweeds contained numerous macro (e.g., Na) and trace minerals. The TPC, DPPH and FRAP activities followed the order: sea spaghetti ≥ nori > Irish wakame > dulse (p < 0.05). TGA indicated maximum weight loss at 250 °C. Dulse had the lowest (p < 0.05) WHC and SC properties. Dulse and nori had higher (p < 0.05) OHC than the brown seaweeds. Results demonstrate the potential of seaweeds as functional food product ingredients. Full article
(This article belongs to the Special Issue Food and Food-Derived Products from Seaweeds)
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Review

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17 pages, 1999 KiB  
Review
An Overview on Effects of Processing on the Nutritional Content and Bioactive Compounds in Seaweeds
by Ana Rodríguez-Bernaldo de Quirós and Julia López-Hernández
Foods 2021, 10(9), 2168; https://doi.org/10.3390/foods10092168 - 13 Sep 2021
Cited by 13 | Viewed by 3181
Abstract
The effect of the different processing technologies and the extraction techniques on the bioactive compounds and nutritional value of seaweeds is reviewed in this study. This work presents and discusses the main seaweeds treatments such as drying, heating, and culinary treatments, and how [...] Read more.
The effect of the different processing technologies and the extraction techniques on the bioactive compounds and nutritional value of seaweeds is reviewed in this study. This work presents and discusses the main seaweeds treatments such as drying, heating, and culinary treatments, and how they affect their nutritional value, the bioactive compounds, and antioxidant capacity. Some examples of traditional and green extraction technologies for extracting seaweeds bioactive components are also presented. The last trends and research on the development of seaweed-based food products is also covered in this review. The use of environmentally friendly extraction procedures, as well as the development of new healthy seaweed-based foods, is expected to grow in the near future. Full article
(This article belongs to the Special Issue Food and Food-Derived Products from Seaweeds)
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