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Algae as Food in Europe: An Overview of Species Diversity and Their Application
Open accessAbstract
Algae have been consumed for millennia in several parts of the world as food, food supplements, and additives, due to their unique organoleptic properties and nutritional and health benefits. Algae are sustainable sources of proteins, minerals, and fiber, with well-balanced essential amino acids, pigments, and fatty acids, among other relevant metabolites for human nutrition. This review covers the historical consumption of algae in Europe, developments in the current European market, challenges when introducing new species to the market, bottlenecks in production technology, consumer acceptance, and legislation. The current algae species that are consumed and commercialized in Europe were investigated, according to their status under the European Union (EU) Novel Food legislation, along with the market perspectives in terms of the current research and development initiatives, while evaluating the interest and potential in the European market. The regular consumption of more than 150 algae species was identified, of which only 20% are approved under the EU Novel Food legislation, which demonstrates that the current legislation is not broad enough and requires an urgent update. Finally, the potential of the European algae market growth was indicated by the analysis of the trends in research, technological advances, and market initiatives to promote algae commercialization and consumption.
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![Figure 1 European historical marks on algae consumption as a food and food supplements (image not scaled) [6,14,58,59,60,68,72,73,74,75,76,77,78,79,80,81,82,85,86,87,88,91,93,99,100,101,102,103,104,106,107,108,109,111,112,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156].](/paper-figures/7f8c7c04153441aab285e8ead9b9de12/algae-as-food-in-europe-an-overview-of-species-diversity-and-their-application-figure-1.jpg)
![Figure 2 Global and European algae market trends from 2016 to 2023. Data from Statista (2020) [167].](/paper-figures/e1ceddf6296246eda5b41c0a19224620/algae-as-food-in-europe-an-overview-of-species-diversity-and-their-application-figure-2.jpg)

![Figure 4 Overview regarding EU funding for algae-related projects. (a) Funding per year for microalgae-related projects in the European Commission, within the framework programs FP4-H2020; (b) the number of H2020 projects led, per country; (c) EC projects funding per leading country; (d) main areas of the projects funded; and (e) the proportion of projects connected to microalgae or seaweed [296].](/paper-figures/8629f0a6cdc24346bf885344cf184ca6/algae-as-food-in-europe-an-overview-of-species-diversity-and-their-application-figure-4.jpg)

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“Ongoing regulatory gaps related to algae as raw materials led to the formation of CEN/TC 454 in 2017, tasked with developing standards for algal biomass, extracts, and purified compounds, including terminology, processing methods, and quality criteria [238].”
From Navigating the potential of algal peptides: health effects, market applications, and scientific challenges (2026) · cites this paper as [238]
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Metadata
- Authors
- Mendes, M., Navalho, S., Ferreira, A., Paulino, C., Figueiredo, D., Silva, D., Gao, F., Gama, F., Bombo, G., Jacinto, R., Aveiro, S., Schulze, P., Gonçalves, A. T., Pereira, H., Gouveia, L., Patarra, R., Abreu, M. H., Silva, J., Navalho, J., Varela, J., & Speranza, L.
- Affiliations
- GreenCoLab (PT)
- National Laboratory of Energy and Geology (PT)
- Wageningen University & Research (NL)
- Nord University (NO)
- GreenCoLab—Associação Oceano Verde, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Universidade dos Açores (PT)
- ALGAplus, Produção e Comercialização de Algas e Seus Derivados, Lda., 3830-196 Ílhavo, Portugal
- Allmicroalgae—Natural Products, 2445-413 Pataias, Portugal
- Necton (Portugal) (PT)
- Centro de Ciências do Mar do Algarve (PT)
- Corresponding author
- Speranza, Lais
- ORCID
- Venue
- Foods
- Publisher
- MDPI AG
- Published
- 2022-06-24
- Volume
- 11
- Issue
- 13
- Pages
- 1871
- ISSN
- 2304-8158 (ISSN-L)
- PMC
- PMC9265617
- OpenAlex
- W4283461407
- Cited by
- 234
- References
- 229
- Citations by year
- 2026: 47 · 2025: 63 · 2024: 66 · 2023: 48 · 2022: 10
- FWCI
- 3.95
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Foods (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Socio-Environmental Systems Modeling (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, cc-by)
- Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
- Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
- Funders
- ProFuture project (2019–2023 “Microagae protein-rich ingredients for the food and feed of the future”) (862980, UID/BIA/00329/2020–2023, UID/Multi/04326/2020, SFRH/BGCT/135478/2018, SFRH/BD/144122/2019)
- National Funds through FCT—Fundação para a Ciência e Tecnologia (862980, UID/BIA/00329/2020–2023, UID/Multi/04326/2020, SFRH/BGCT/135478/2018, SFRH/BD/144122/2019)
- FCT Science and Technology Management Fellowship (862980, UID/BIA/00329/2020–2023, UID/Multi/04326/2020, SFRH/BGCT/135478/2018, SFRH/BD/144122/2019)
- FCT Ph.D. (862980, UID/BIA/00329/2020–2023, UID/Multi/04326/2020, SFRH/BGCT/135478/2018, SFRH/BD/144122/2019)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food Industry and Aquatic Biology
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Consumer Attitudes and Food Labeling
- Keywords
- edible algae, species diversity, consumer acceptance, dietary supplements, food additives
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