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Conventional vs. Innovative Protocols for the Extraction of Polysaccharides from Macroalgae

Author

Listed:
  • Damiano Spagnuolo

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Antonio Di Martino

    (Research School of Chemistry & Applied Biomedical Sciences, Tomsk Polytechnic University, Lenin Avenue 43, 63400 Tomsk, Russia)

  • Vincenzo Zammuto

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Simona Armeli Minicante

    (National Research Council, Institute of Marine Sciences (CNR-ISMAR), 30122 Venice, Italy)

  • Antonio Spanò

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Antonio Manghisi

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Concetta Gugliandolo

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Marina Morabito

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

  • Giuseppa Genovese

    (Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Salita Sperone 31, 98166 Messina, Italy)

Abstract

Macroalgae are one of the most environmentally friendly resources, and their industrial by-products should also be sustainable. Algal polysaccharides represent valuable products, and the definition of new eco-sustainable extraction processes, ensuring a safe and high-quality product, is a new goal in the context of reducing the carbon footprint. The aim of the present work was to determine the influence of the extraction methodology on the properties and structure of the polysaccharides, comparing conventional and innovative microwave-assisted methods. We focused on extraction times, yield, chemical composition and, finally, biological activities of raw polymers from three macroalgal species of Chlorophyta , Rhodophyta and Phaeophyceae . The main objective was to design a sustainable process in terms of energy and time savings, with the aim of developing subsequent application at the industrial level. Extraction efficacy was likely dependent on the physico-chemical polysaccharide properties, while the use of the microwave did not affect their chemical structure. Obtained results indicate that the innovative method could be used as an alternative to the conventional one to achieve emulsifiers and bacterial antiadhesives for several applications. Natural populations of invasive algae were used rather than cultivated species in order to propose the valorization of unwanted biomasses, which are commonly treated as waste, converting them into a prized resource.

Suggested Citation

  • Damiano Spagnuolo & Antonio Di Martino & Vincenzo Zammuto & Simona Armeli Minicante & Antonio Spanò & Antonio Manghisi & Concetta Gugliandolo & Marina Morabito & Giuseppa Genovese, 2022. "Conventional vs. Innovative Protocols for the Extraction of Polysaccharides from Macroalgae," Sustainability, MDPI, vol. 14(10), pages 1-15, May.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:10:p:5750-:d:812110
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    References listed on IDEAS

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    1. Simona Armeli Minicante & Silvia Michelet & Federica Bruno & Germano Castelli & Fabrizio Vitale & Adriano Sfriso & Marina Morabito & Giuseppa Genovese, 2016. "Bioactivity of Phycocolloids against the Mediterranean Protozoan Leishmania infantum : An Inceptive Study," Sustainability, MDPI, vol. 8(11), pages 1-9, November.
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    Cited by:

    1. Katherine G. Johnston & Abdelfatah Abomohra & Christopher E. French & Abdelrahman S. Zaky, 2023. "Recent Advances in Seaweed Biorefineries and Assessment of Their Potential for Carbon Capture and Storage," Sustainability, MDPI, vol. 15(17), pages 1-32, September.

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