Valorization of Marine Waste: Use of Industrial By-Products and Beach Wrack Towards the Production of High Added-Value Products

Vita Rudoviča, Ana Rotter, Susana P. Gaudêncio, Lucie Novoveská, Füsun Akgül, Linn Kristin Akslen-Hoel, Diogo A. M. Alexandrino, Olga Anne, Lauris Arbidans, Miroslava Atanassova, Magdalena Bełdowska, Jacek Bełdowski, Amit Bhatnagar, Oskars Bikovens, Valdis Bisters, Maria Fátima Carvalho, Teresa S. Catalá, Arita Dubnika, Ayşegül Erdoğan, Laura FerransBerat Z. Haznedaroglu, Roy Hendroko Setyobudi, Bożena Graca, Inga Grinfelde, William Hogland, Efstathia Ioannou, Yahya Jani, Marija Kataržytė, Stefanos Kikionis, Katja Klun, Jonne Kotta, Mait Kriipsalu, Jalel Labidi, Lada Lukić Bilela, Marta Martínez-Sanz, Juliana Oliveira, Ruta Ozola-Davidane, Jovita Pilecka-Ulcugaceva, Kristyna Pospiskova, Céline Rebours, Vassilios Roussis, Amparo López-Rubio, Ivo Safarik, Frank Schmieder, Karina Stankevica, Toomas Tamm, Deniz Tasdemir, Cristiana Torres, Giovanna Cristina Varese, Zane Vincevica-Gaile, Ivar Zekker, Juris Burlakovs

Research output: Contribution to journalReview articlepeer-review

45 Citations (Scopus)
112 Downloads (Pure)


Biomass is defined as organic matter from living organisms represented in all kingdoms. It is recognized to be an excellent source of proteins, polysaccharides and lipids and, as such, embodies a tailored feedstock for new products and processes to apply in green industries. The industrial processes focused on the valorization of terrestrial biomass are well established, but marine sources still represent an untapped resource. Oceans and seas occupy over 70% of the Earth’s surface and are used intensively in worldwide economies through the fishery industry, as logistical routes, for mining ores and exploitation of fossil fuels, among others. All these activities produce waste. The other source of unused biomass derives from the beach wrack or washed-ashore organic material, especially in highly eutrophicated marine ecosystems. The development of high-added-value products from these side streams has been given priority in recent years due to the detection of a broad range of biopolymers, multiple nutrients and functional compounds that could find applications for human consumption or use in livestock/pet food, pharmaceutical and other industries. This review comprises a broad thematic approach in marine waste valorization, addressing the main achievements in marine biotechnology for advancing the circular economy, ranging from bioremediation applications for pollution treatment to energy and valorization for biomedical applications. It also includes a broad overview of the valorization of side streams in three selected case study areas: Norway, Scotland, and the Baltic Sea.

Original languageEnglish
Article number723333
Pages (from-to)1-39
Number of pages39
JournalFrontiers in Marine Science
Publication statusPublished - 20 Oct 2021


  • beach wrack
  • blue biotechnology
  • circular economy
  • marine biomass
  • marine biopolymers
  • marine industrial by-products
  • marine waste
  • waste valorization


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