Green seaweeds in a tank cultivation.
The green algae Sea lettuce has great potential to be processed into a nutritious raw material for new sustainable food products.
Photo: Susanne Liljenström

SUSWEED - Sustainable use of marine and industrial waters to unlock the potential of seaweeds as a future food source

Research project

Short description

Cultivated macroalgae represent a promising opportunity to feed a growing global population - without further straining the availability of clean fresh water. No fertiliser is required; instead, seaweed farming has a net uptake of dissolved nutrients and thus counteracts eutrophication. The goal of the SUSWEED project is to utilise the great potential of Swedish seaweed as a future sustainable food source. This is achieved through new cultivation techniques for sea lettuce (Ulva fenestrata) and dulse (Palmaria palmata) in the sea, but also as part of a system where process water from the food industry is purified from nutrients. Harvested seaweed will be processed into nutritious and safe raw materials that can be used in new, tasty food products.

News and events

Our researcher Kristoffer Stedt has been awarded a scholarship from the King Carl XVI Gustaf Foundation's 50-year fund for science, technology and the environment for his research into new methods for growing algae. On June 10, he received the award from the king.

Project members

Krishan Kent, Marenor Seafood AB

Barbro Kollander, Swedish Food Agency

Martin Kuhlin, Sweden Pelagic

Murat Mirata, Department of Management and Engineering (IEI), Linköping University

Susanne Lindegarth, Department of marine sciences, University of Gothenburg

Göran Nylund, Nordic Seafarm

Henrik Pavia, Department of marine sciences, University of Gothenburg

Ilia Rodushkin, ALS Scandinavia AB, Luleå

Kristoffer Stedt, Department of marine sciences, University of Gothenburg

Gunilla Toth, Department of marine sciences, University of Gothenburg

Ingrid Undeland, Department for life sciences, LIFE, Chalmers University of Technology