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Author Spotlight: Exploring Seaweed's Bioactive Compounds for Sustainable Innovations in Industries
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Edible Seaweeds Extracts: Characterization and Functional Properties for Health Conditions.

Mariana Coelho1, Ana Patrícia Duarte1, Sofia Pinto1

  • 1Departamento de Engenharia Química, Instituto Superior de Engenharia de Lisboa (ISEL), Av. Conselheiro Emídio Navarro 1, 1959-007 Lisboa, Portugal.

Antioxidants (Basel, Switzerland)
|March 29, 2023
PubMed
Summary

Edible seaweeds like Aramé and Nori show health benefits. Aramé extract has high antioxidant activity, while Nori extract shows potential for inhibiting acetylcholinesterase, aiding in managing oxidative stress and neurodegeneration.

Keywords:
Eisenia bicylcisFucus vesiculosusPorphyra teneraacetylcholinesteraseantioxidant activityextractsphloroglucinol derivatives

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Area of Science:

  • Marine Botany
  • Food Science
  • Pharmacology

Background:

  • Seaweeds are popular for health benefits, but scientific evidence is often lacking.
  • Aramé and Fucus are well-researched, but Nori's composition and bioactivities are less understood.
  • Understanding seaweed bioactivities can identify specific health applications.

Purpose of the Study:

  • To compare the health properties of edible seaweeds Aramé, Nori, and Fucus.
  • To investigate the composition and biological activities of their aqueous extracts.
  • To identify potential synergies and differences in bioactivity.

Main Methods:

  • Aqueous extracts of Aramé, Nori, and Fucus were prepared by decoction.
  • Extracts were fractionated and characterized for composition and biological activity.
  • Antioxidant activity and acetylcholinesterase inhibition potential were assessed.

Main Results:

  • Fractionating seaweed extracts reduced bioactivity, suggesting loss of compound synergy.
  • Aramé extract demonstrated the highest antioxidant activity.
  • Nori extract exhibited the highest potential for acetylcholinesterase inhibition, possibly due to smaller phlorotannins.

Conclusions:

  • Seaweed extracts, particularly Aramé and Nori, show promise for health improvement.
  • These extracts may aid in managing diseases related to oxidative stress and neurodegeneration.
  • Further research into seaweed bioactives can unlock targeted therapeutic applications.