Enzymatically-synthesized xylo-oligosaccharides laurate esters as surfactants of interest
08 января 2021 года
09:45
Enzymatically-synthesized xylo-oligosaccharides laurate esters as surfactants of interest
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Title: Enzymatically-synthesized xylo-oligosaccharides laurate esters as surfactants of interest
Author, co-author: Gerard, D.; Méline, T.; Muzard, M.; Deleu, Magali; Plantier-Royon, R.; Rémond, C.
Abstract: Lipase-catalyzed synthesis of xylo-oligosaccharides esters from pure xylobiose, xylotriose and xylotetraose in the presence of vinyl laurate was investigated. The influence of different experimental parameters such as the loading of lipase, the reaction duration or the use of a co-solvent was studied and the reaction conditions were optimized with xylobiose. Under the best conditions, a regioselective esterification occurred to yield a monoester with the acyl chain at the OH-4 of the xylose unit at the non-reducing end. Surface-active properties of these pure xylo-oligosaccharides fatty esters have been evaluated. They display interesting surfactant activities that differ according to the degree of polymerization (DP) of the glycone moiety. © 2020

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Enzymatically-synthesized xylo-oligosaccharides laurate esters as surfactants of interest
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[en] Laurate ester ; Lipase ; Surfactant ; Transesterification ; Xylo-oligosaccharides ; Oligosaccharides ; Surface active agents ; Degree of polymerization ; Experimental parameters ; Lipase-catalyzed synthesis ; Reaction conditions ; Reducing ends ; Regio-selective ; Surface-active property ; Xylo- oligosaccharides ; Esters
Abstract :
[en] Lipase-catalyzed synthesis of xylo-oligosaccharides esters from pure xylobiose, xylotriose and xylotetraose in the presence of vinyl laurate was investigated. The influence of different experimental parameters such as the loading of lipase, the reaction duration or the use of a co-solvent was studied and the reaction conditions were optimized with xylobiose. Under the best conditions, a regioselective esterification occurred to yield a monoester with the acyl chain at the OH-4 of the xylose unit at the non-reducing end. Surface-active properties of these pure xylo-oligosaccharides fatty esters have been evaluated. They display interesting surfactant activities that differ according to the degree of polymerization (DP) of the glycone moiety. © 2020
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