Autotrophic and heterotrophic microalgae and cyanobacteria cultivation for food and feed: life cycle assessment

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Autotrophic and heterotrophic microalgae and cyanobacteria cultivation for food and feed: life cycle assessment. / Smetana, Sergiy; Sandmann, Michael; Rohn, Sascha et al.
In: Bioresource Technology, Vol. 245, No. Part A, 01.12.2017, p. 162-170.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Smetana S, Sandmann M, Rohn S, Pleißner D, Heinz V. Autotrophic and heterotrophic microalgae and cyanobacteria cultivation for food and feed: life cycle assessment. Bioresource Technology. 2017 Dec 1;245(Part A):162-170. Epub 2017 Aug. doi: 10.1016/j.biortech.2017.08.113

Bibtex

@article{95181dc9a1ea4d97939a53f1085f6b11,
title = "Autotrophic and heterotrophic microalgae and cyanobacteria cultivation for food and feed: life cycle assessment",
abstract = "The lack of protein sources in Europe could be reduced with onsite production of microalgae with autotrophic and heterotrophic systems, owing the confirmation of economic and environmental benefits. This study aimed at the life cycle assessment (LCA) of microalgae and cyanobacteria cultivation (Chlorella vulgaris and Arthrospira platensis) in autotrophic and heterotrophic conditions on a pilot industrial scale (in model conditions of Berlin, Germany) with further biomass processing for food and feed products. The comparison of analysis results with traditional benchmarks (protein concentrates) indicated higher environmental impact of microalgae protein powders. However high-moisture extrusion of heterotrophic cultivated C. vulgaris resulted in more environmentally sustainable product than pork and beef. Further optimization of production with Chlorella pyrenoidosa on hydrolyzed food waste could reduce environmental impact in 4.5 times and create one of the most sustainable sources of proteins.",
keywords = "Cyanobacteria LCA, Fermenter, Microalgae, Open raceway ponds, Tubular photobioreactor, Chemistry",
author = "Sergiy Smetana and Michael Sandmann and Sascha Rohn and Daniel Plei{\ss}ner and Volker Heinz",
year = "2017",
month = dec,
day = "1",
doi = "10.1016/j.biortech.2017.08.113",
language = "English",
volume = "245",
pages = "162--170",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier Limited",
number = "Part A",

}

RIS

TY - JOUR

T1 - Autotrophic and heterotrophic microalgae and cyanobacteria cultivation for food and feed

T2 - life cycle assessment

AU - Smetana, Sergiy

AU - Sandmann, Michael

AU - Rohn, Sascha

AU - Pleißner, Daniel

AU - Heinz, Volker

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The lack of protein sources in Europe could be reduced with onsite production of microalgae with autotrophic and heterotrophic systems, owing the confirmation of economic and environmental benefits. This study aimed at the life cycle assessment (LCA) of microalgae and cyanobacteria cultivation (Chlorella vulgaris and Arthrospira platensis) in autotrophic and heterotrophic conditions on a pilot industrial scale (in model conditions of Berlin, Germany) with further biomass processing for food and feed products. The comparison of analysis results with traditional benchmarks (protein concentrates) indicated higher environmental impact of microalgae protein powders. However high-moisture extrusion of heterotrophic cultivated C. vulgaris resulted in more environmentally sustainable product than pork and beef. Further optimization of production with Chlorella pyrenoidosa on hydrolyzed food waste could reduce environmental impact in 4.5 times and create one of the most sustainable sources of proteins.

AB - The lack of protein sources in Europe could be reduced with onsite production of microalgae with autotrophic and heterotrophic systems, owing the confirmation of economic and environmental benefits. This study aimed at the life cycle assessment (LCA) of microalgae and cyanobacteria cultivation (Chlorella vulgaris and Arthrospira platensis) in autotrophic and heterotrophic conditions on a pilot industrial scale (in model conditions of Berlin, Germany) with further biomass processing for food and feed products. The comparison of analysis results with traditional benchmarks (protein concentrates) indicated higher environmental impact of microalgae protein powders. However high-moisture extrusion of heterotrophic cultivated C. vulgaris resulted in more environmentally sustainable product than pork and beef. Further optimization of production with Chlorella pyrenoidosa on hydrolyzed food waste could reduce environmental impact in 4.5 times and create one of the most sustainable sources of proteins.

KW - Cyanobacteria LCA

KW - Fermenter

KW - Microalgae

KW - Open raceway ponds

KW - Tubular photobioreactor

KW - Chemistry

UR - http://www.scopus.com/inward/record.url?scp=85028917973&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2017.08.113

DO - 10.1016/j.biortech.2017.08.113

M3 - Journal articles

C2 - 28892686

AN - SCOPUS:85028917973

VL - 245

SP - 162

EP - 170

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

IS - Part A

ER -