Add time:08/16/2019         Source:sciencedirect.com

Publisher SummaryThis chapter brings together information on the reactions of sucrose and illustrates some of the physical methods that have contributed to the characterization of sucrose derivatives. In addition, some of the potential commercial applications of compounds derived from sucrose have also been discussed in the chapter. Sucrose, systematically named β-D-fructofuranosyl α- Dglucopyranoside, is a nonreducing disaccharide. The synthesis of sucrose by enzymic methods has been achieved through glycosylation involving free D-fructose and either D-glucose 6-phosphate or D-glucose. Physical methods as X-ray crystallography, neutron diffraction, and nuclear magnetic resonance (n.m.r.) spectroscopy have proved of immense value in determining the configuration and the conformation of the sucrose molecule. Furthermore, transesterification reaction of sucrose with long-chain fatty acid esters performed in a melt as the reaction medium. According to this process, sucrose and sodium stearate are mixed with a small proportion of water to afford a (homogeneous) solution.

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