Emulsifying properties of sugar-based surfactants prepared by chemoenzymatic synthesis

被引：19

作者：

Sangiorgio, Sara ^{[1
]}

Pargoletti, Eleonora ^{[1
]}

Rabuffetti, Marco ^{[1
]}

Robescu, Marina Simona ^{[2
]}

Semproli, Riccardo ^{[2
]}

Ubiali, Daniela ^{[2
]}

Cappelletti, Giuseppe ^{[1
]}

Speranza, Giovanna ^{[1
]}

机构：

[1] Univ Milan, Dept Chem, Via Golgi 19, I-20133 Milan, Italy

[2] Univ Pavia, Dept Drug Sci, Viale Taramelli 12, I-27100 Pavia, Italy

来源：

COLLOID AND INTERFACE SCIENCE COMMUNICATIONS | 2022年 / 48卷

关键词：

Sugar fatty acid esters; Biosurfactants; Sustainable synthesis; Biocatalysis; Immobilized lipase; W; O emulsifying properties; Interfacial features; ESTER SURFACTANTS; OIL; EMULSION; ESTERIFICATION;

D O I：

10.1016/j.colcom.2022.100630

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sugar Fatty Acid Esters (SFAEs) are a class of non-ionic surfactants that can be synthesized from inexpensive natural resources. Depending on carbon chain length and nature of the sugar head group, SFAEs cover a wide range of hydrophilic-lipophilic balance (HLB) values, which result in tunable tenside properties and in turn relevant for a wide variety of industrial applications. Three sugar-based surfactants (6-O-lauroyl-, 6-O-palmitoyland 6-O-stearoyl-1-O-butyl glucopyranosides) have been prepared by a lipase-catalyzed esterification of isomeric mixture of n-butyl glucosides. Specifically, their interfacial features together with W/O emulsifying properties and stability over time have been finely evaluated (interfacial tension (IFT) values, W/O emulsion turbidity and water droplet size distribution), resulting 6-O-palmitoyl- and 6-O-stearoyl-1-O-butyl glucopyranosides as the most efficient ones.

引用

页数：6

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