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Integrated Process for the Enzymatic Production of Fatty Acid Sugar Esters Completely Based on Lignocellulosic Substrates

Siebenhaller, Sascha 1; Kirchhoff, Jennifer 1; Kirschhöfer, Frank 2; Brenner-Weiß, Gerald 2; Muhle-Goll, Claudia ORCID iD icon 3,4; Luy, Burkhard ORCID iD icon 3,4; Haitz, Fabian; Hahn, Thomas; Zibek, Susanne; Syldatk, Christoph 1; Ochsenreither, Katrin ORCID iD icon 1
1 Institut für Bio- und Lebensmitteltechnik (BLT), Karlsruher Institut für Technologie (KIT)
2 Institut für Funktionelle Grenzflächen (IFG), Karlsruher Institut für Technologie (KIT)
3 Institut für Biologische Grenzflächen (IBG), Karlsruher Institut für Technologie (KIT)
4 Institut für Organische Chemie (IOC), Karlsruher Institut für Technologie (KIT)


Lignocellulose can be converted sustainably to fuels, power and value-added chemicals like fatty acid esters. This study presents a concept for the first eco-friendly enzymatic synthesis of economically important fatty acid sugar esters based on lignocellulosic biomass. To achieve this, beech wood cellulose fiber hydrolysate was applied in three manners: as sugar component, as part of the deep eutectic solvent (DES) reaction system and as carbon source for the microbial production of the fatty acid component. These fatty acids were gained from single cell oil produced by the oleaginous yeast Cryptococcus curvatus cultivated with cellulose fiber hydrolysate as carbon source. Afterwards, an immobilized Candida antarctica lipase B was used as the biocatalyst in DES to esterify sugars with fatty acids. Properties of the DES were determined and synthesized sugar mono- and di-esters were identified and characterized using TLC, MS, and NMR. Using this approach, sugar esters were successfully synthesized which are 100% based on lignocellulosic biomass.

Verlagsausgabe §
DOI: 10.5445/IR/1000085990
Veröffentlicht am 25.09.2018
DOI: 10.3389/fchem.2018.00421
Web of Science
Zitationen: 23
Zitationen: 31
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Biologische Grenzflächen (IBG)
Institut für Bio- und Lebensmitteltechnik (BLT)
Institut für Funktionelle Grenzflächen (IFG)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2018
Sprache Englisch
Identifikator ISSN: 2296-2646
KITopen-ID: 1000085990
HGF-Programm 47.02.04 (POF III, LK 01) Zellpopul.auf Biofunk.Oberflächen IBG-4
Erschienen in Frontiers in Chemistry
Verlag Frontiers Media SA
Band 6
Seiten Article: 421
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Vorab online veröffentlicht am 13.09.2018
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