Cited by 19Algal biology and biofuel productionProtein Hydrolysis and Bioactive PeptidesSeaweed-derived Bioactive Compounds

Enhancing microalgal proteins for nutraceutical and functional food applications

Open access
Kaur, Manpreet, Bhatia, Surekha, Bagchi, Debasis, Tak, Yamini, Kaur, Gurkanwal, Kaur, Charanjeet, Kaur, Amanpreet, Sharma, Nishu·2025·Future Foods

Abstract

Despite their immense potential, microalgae are quite potential agents for sustainable, lucrative, easily produce, and vegan protein source, either due to high protein content in a few microalgal species or the high protein productivity. Compared to traditional plant-based proteins, the popularity is growing for microalgal protein products is because of their diversity, essential amino acids , less allergenicity, nutritious composition, functional properties, sustainability, and potential for bioactive compounds. Despite these advantages, some challenges linked to the production of microalgae protein, their scalability, and optimization of mass-multiplication techniques need to be studied. The literature to date lacks a comprehensive review that addresses the nutraceutical enhancement and optimization of protein yield in microalgae. This review aims to bridge this gap by dissecting the processes involved in the formation of microalgal protein hydrolysates , concentrates, and isolates. It explores methodologies for enhancing protein content, with a particular emphasis on the resultant nutraceutical improvements, including their bioactivities, functional properties in food systems, and broader industrial applications. This synthesis offers a critical perspective on how these processes can be harnessed to advance both scientific understanding and practical applications in the field.

Integrity signals

Registry

Crossref · 10.1016/j.fufo.2025.100564

Cites

156 of 156 references verified0 citation errors · 0 not checkable

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Authors
Kaur, M., Bhatia, S., Bagchi, D., Tak, Y., Kaur, G., Kaur, C., Kaur, A., & Sharma, N.
Affiliations
  • Punjab Agricultural University (IN)
  • Adelphi University (US)
Corresponding author
Kaur, Manpreet
Venue
Future Foods
Publisher
Elsevier BV
Published
2025-06
Volume
11
Pages
100564
ISSN
2666-8335 (ISSN-L)
OpenAlex
W4407171697
Cited by
19
References
157
Citations by year
2026: 10 · 2025: 9
FWCI
2.64
Type
journal article
Language
en
Open access
Locations
  • Future Foods (publishedVersion, cc-by-nc)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • FICCI
  • Science and Engineering Research Board
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Hydrolysis and Bioactive Peptides
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
Keywords
microalgal proteins, microalgae, nutraceuticals, functional foods, protein hydrolysates, protein concentrate, protein isolates, bioactive compounds, essential amino acids, allergenicity, sustainable protein sources, microalgae cultivation

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