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Title: Green formulation strategy for preparing oil-in-water emulsions via lipase-catalyzed transesterification
Authors: Natcha Wongthongdee
Alain Durand
Thunyarat Pongtharangkul
Panya Sunintaboon
Pranee Inprakhon
Mahidol University
Université de Lorraine
CNRS Centre National de la Recherche Scientifique
Keywords: Chemical Engineering;Chemistry;Energy;Environmental Science
Issue Date: 6-Feb-2017
Citation: ACS Sustainable Chemistry and Engineering. Vol.5, No.2 (2017), 1948-1956
Abstract: © 2016 American Chemical Society. Formulation of submicronic diglyceride-inwater emulsions was carried out without addition of synthetic surfactant in case of commercial caprylic/capric diglyceride. Sugar surfactant was prepared by contacting the oil with a concentrated aqueous solution of sorbitol (70 wt %) containing lipase AY. Interfacial lipase-catalyzed transesterification took place and led to limited but sufficient amounts of sorbitol ester and monoglyceride, which accumulated in the oil. The enzyme-treated oil could be easily separated from the aqueous phase and used for preparing oil-in-water emulsion without adding any other surfactant. A stable emulsion was obtained for at least 7 days and exhibited better stability at 60 °C than Tween 20-stabilized emulsion.
ISSN: 21680485
Appears in Collections:Scopus 2016-2017

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