Abstract
“Green” Synthesis of Sucrose Octaacetate and Characterization of Its Physicochemical Properties and Antimicrobial Activity
Highlights
Sucrose fatty acid esters have been the cause of increased interest as odorless, nontoxic, and biodegradable nonionic surfactants with a large scale application in the food industry as emulsifiers, anti-fungal and anti-bacterial agents[1,2,3,4,5], edible coating reagents[6], solubilizator and detergents in cosmetics and pharmaceuticals[7], insecticides in agriculture[7,8,9] and as bio-plasticizers in engineering[5,6,7]
Sucrose octaacetate was synthesized by the reaction of 10.0 g (0.029 mol) sucrose with 30 cm[3] (0.27 mol) acetic anhydride in a two-neck round-bottom flask with 3.0 g (0.036 mol) sodium acetate as a catalyst under the following conditions:
The octa-O-acetyl-sucrose was obtained after the esterification of the sucrose with an excess of acetic anhydride with sodium acetate as a catalyst
Summary
Sucrose fatty acid esters have been the cause of increased interest as odorless, nontoxic, and biodegradable nonionic surfactants with a large scale application in the food industry as emulsifiers, anti-fungal and anti-bacterial agents[1,2,3,4,5], edible coating reagents[6], solubilizator and detergents in cosmetics and pharmaceuticals[7], insecticides in agriculture[7,8,9] and as bio-plasticizers in engineering[5,6,7]. Sucrose octaacetate is used in many pesticide products and insecticides because of its inert and safety status. Its commercial uses include its addition to lacquers and plastics[7]. This wide application of sucrose acetates requires effective and environmentally friendly methods for their production. Some encouraging results have been published in relation to the acetylation of lactose by ultrasound-assisted irradiation[14] and in the modification of some long chain fatty acids sucrose esters[4,5,16]. No detailed results have been published regarding the acetylation of sucrose using the
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