Heterotrophic growth of Galdieria sulphuraria on residues from aquaculture and fish processing industries

Daniel Pleissner; Stephanie Schönfelder; Nicole Händel; Julia Dalichow; Judith Ettinger; Kristine Kvangarsnes; Egidijus Dauksas; Turid Rustad; Janna Cropotova

doi:10.1016/j.biortech.2023.129281

Heterotrophic growth of Galdieria sulphuraria on residues from aquaculture and fish processing industries

Daniel Pleissner
, Stephanie Schönfelder
, Nicole Händel
, Julia Dalichow
, Judith Ettinger
, Kristine Kvangarsnes
, Egidijus Dauksas
, Turid Rustad
, Janna Cropotova^*

^*Korrespondierende/r Autor/-in für diese Arbeit

Institut für Nachhaltige Chemie

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › Begutachtung

16 Zitate (Scopus)

Abstract

The study aimed at zero-waste utilization of fish processing streams for cultivation of microalgae Galdieria sulphuraria. Wastewater from a fish processing facility, slam (mix of used fish feed and faeces), and dried pellet (sediments after enzymatic hydrolysis of rainbow trout) were investigated as potential sources of carbon, nitrogen, and phosphate for cultivation of G. sulphuraria. The pellet extract was found to support the growth of G. sulphuraria when appropriate diluted, at concentrations below 40 % (v/v). It was revealed that wastewater does not impact the growth negatively, however free amino nitrogen and carbon sources need to be supplied from another source. Therefore, only proteolyzed pellet extract (20 %, v/v) was selected for upscaling and a biomass concentration of 80 g L⁻¹ (growth rate was 0.72 day⁻¹) was achieved in a non-sterile fed-batch culture. Even though biomass was produced under non-sterile conditions no pathogens such as Salmonella sp. could be detected.

Originalsprache	Englisch
Aufsatznummer	129281
Zeitschrift	Bioresource Technology
Jahrgang	384
Seitenumfang	8
ISSN	0960-8524
DOIs	https://doi.org/10.1016/j.biortech.2023.129281
Publikationsstatus	Erschienen - 01.09.2023

Bibliographische Notiz

Funding Information:
This work was financially supported by the German Federal Ministry of Food and Agriculture /BMEL) through the Federal Office for Agriculture and Food /BLE), grant number 2821ERA12C. This project has received funding from the European Union’s Horizon 2020 research and innovation program under the grant agreement No 862555. Janna Cropotova acknowledges the FOSC-ERA project “CLIMAQUA”, (grant No. 327695 of BIONÆR-Bionæringsprogram) for support.

Funding Information:
This work was financially supported by the German Federal Ministry of Food and Agriculture /BMEL) through the Federal Office for Agriculture and Food /BLE), grant number 2821ERA12C. This project has received funding from the European Union's Horizon 2020 research and innovation program under the grant agreement No 862555. Janna Cropotova acknowledges the FOSC-ERA project “CLIMAQUA”, (grant No. 327695 of BIONÆR-Bionæringsprogram) for support.

Publisher Copyright:
© 2023 The Author(s)

UN SDGs

Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung

SDG 6 – Sauberes Wasser und sanitäre Einrichtungen
SDG 7 – Erschwingliche und saubere Energie
SDG 12 – Verantwortungsvoller Konsum und Produktion
SDG 14 – Lebensraum Wasser

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Abfallwirtschaft und -entsorgung
Bioengineering
Environmental engineering
Erneuerbare Energien, Nachhaltigkeit und Umwelt

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abstract = "The study aimed at zero-waste utilization of fish processing streams for cultivation of microalgae Galdieria sulphuraria. Wastewater from a fish processing facility, slam (mix of used fish feed and faeces), and dried pellet (sediments after enzymatic hydrolysis of rainbow trout) were investigated as potential sources of carbon, nitrogen, and phosphate for cultivation of G. sulphuraria. The pellet extract was found to support the growth of G. sulphuraria when appropriate diluted, at concentrations below 40 \% (v/v). It was revealed that wastewater does not impact the growth negatively, however free amino nitrogen and carbon sources need to be supplied from another source. Therefore, only proteolyzed pellet extract (20 \%, v/v) was selected for upscaling and a biomass concentration of 80 g L−1 (growth rate was 0.72 day−1) was achieved in a non-sterile fed-batch culture. Even though biomass was produced under non-sterile conditions no pathogens such as Salmonella sp. could be detected.",

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AU - Kvangarsnes, Kristine

AU - Dauksas, Egidijus

AU - Rustad, Turid

AU - Cropotova, Janna

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Heterotrophic growth of Galdieria sulphuraria on residues from aquaculture and fish processing industries

Abstract

Bibliographische Notiz

UN SDGs

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