Promising results from the AQUACOMBINE researchers
Two and a half year ago AQACOMBINE has been set out to find answers on one of the most important challenges of the 21st century.: How to meet the world’s demand for sustainably produced biomass for both food and the growing bio-products sector.
Therefore, AQUACOMBINE aim to create a new circular industry with co-production of food, feed, bio compounds, and bioenergy from salt-tolerant plants such as Salicornia or Crithmum with very little or no production of waste streams within the 4 years project time.
The approach of AQUACOMBINE´s is to combines aquaculture, farming, and bioprocessing to utilize all fractions of the produced biomass.
The last two and a half years were full of research, development, discussions, rethink, and further development. Now it is time to share the promising results of the studies.
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Salt concentration in the culture medium has different effects on biomass production of Tripolium pannonicum, Salicornia spp. and Crithmum maritimum.
15 bioactive compounds, including hydroxybenzoic acids, hydroxycinnamic acids, caffeoylquinic acids, and flavonoids could be analyzed by chromatography in residue straw of Salicornia.
Review of the availability of bioactive compounds from various salt-tolerant plant species, with a focus on Aster tripolium, Crithmum maritimum and Salicornia europaea.
Anaerobic digestion of Salicornia spp. achieved biomethane yields similar to that of green grasses and thus has the potential to serve as a feedstock for mono- and co- digestion.
How will nutrients based solely on fish effluent water will affect the growth of Salicornia?
Fermentation of the green juice of halophyte species with lactic acid bacteria could be a cost-efficient and safe method to separate proteins.
Centrifugation turned out as the best method to concentrate the nutrients from non-food succulent biomass of Salicornia. The resulting protein-enriched fraction can be included in the regular diet of fish.
No detrimental effects on growth performance or survival, while providing some beneficial effects to their antioxidant and immune response.
S. ramosissima biomass can be included in diets for juvenile seabass up to 10% of their composition with no detrimental effects on growth performance or survival, while providing some beneficial effects to their antioxidant and innate immune response and promoting DNA integrity.