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Evaluation of Lamin...
Evaluation of Laminaria Digitata Hydrolysate for the Production of Bioethanol and Butanol by Fermentation
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- Moenaert, Antoine (author)
- Matís ltd. – Icelandic food and biotech R&D,University of Iceland
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- López-Contreras, Ana M. (author)
- Wageningen University
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- Budde, Miriam (author)
- Wageningen University
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- Allahgholi, Leila (author)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Hou, Xiaoru (author)
- Danish Technological Institute (DTI)
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- Bjerre, Anne Belinda (author)
- Danish Technological Institute (DTI)
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- Örlygsson, Johann (author)
- University of Akureyri
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- Karlsson, Eva Nordberg (author)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Friðjónsson, Ólafur H. (author)
- University of Iceland,Matís ltd. – Icelandic food and biotech R&D
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- Hreggviðsson, Guðmundur Óli (author)
- Matís ltd. – Icelandic food and biotech R&D,University of Iceland
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Matís ltd – Icelandic food and biotech R&D University of Iceland (creator_code:org_t)
- 2023-01-11
- 2023
- English.
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In: Fermentation. - : MDPI AG. - 2311-5637. ; 9:1
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Abstract
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- Seaweeds (macroalgae) are gaining attention as potential sustainable feedstock for the production of fuels and chemicals. This comparative study focuses on the characterization of the microbial production of alcohols from fermentable carbohydrates in the hydrolysate of the macroalgae Laminaria digitata as raw material. The potential of a hydrolysate as a carbon source for the production of selected alcohols was tested, using three physiologically different fermentative microbes, in two main types of processes. For the production of ethanol, Saccharomyces cerevisiae was used as a benchmark microorganism and compared with the strictly anaerobic thermophile Thermoanaerobacterium strain AK17. For mixed production of acetone/isopropanol, butanol, and ethanol (A/IBE), three strictly anaerobic Clostridium strains were compared. All strains grew well on the hydrolysate, and toxicity constraints were not observed, but fermentation performance and product profiles were shown to be both condition- and strain-specific. S. cerevisiae utilized only glucose for ethanol formation, while strain AK17 utilized glucose, mannitol, and parts of the glucan oligosaccharides. The clostridia strains tested showed different nutrient requirements, and were able to utilize glucan, mannitol, and organic acids in the hydrolysate. The novelty of this study embodies the application of different inoculates for fermenting a common brown seaweed found in the northern Atlantic Ocean. It provides important information on the fermentation properties of different microorganisms and pinpoints the value of carbon source utilization when selecting microbes for efficient bioconversion into biofuel and chemical products of interest.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Keyword
- ABE fermentation
- biobutanol
- bioethanol
- biorefinery
- laminarin
- macroalgae
- seaweed
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Moenaert, Antoin ...
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López-Contreras, ...
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Budde, Miriam
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Allahgholi, Leil ...
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Hou, Xiaoru
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Bjerre, Anne Bel ...
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show more...
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Örlygsson, Johan ...
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Karlsson, Eva No ...
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Friðjónsson, Óla ...
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Hreggviðsson, Gu ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Industrial Biote ...
- Articles in the publication
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Fermentation
- By the university
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Lund University