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Title

Chemical and Enzymatic Approaches to Carbohydrate-Derived Spiroketals: Di-D-Fructose Dianhydrides (DFAs)

AuthorsGarcía Moreno, María Isabel; Benito, Juan M. ; Ortiz-Mellet, Carmen; García-Fernández, José Manuel
KeywordsSpirocompounds
Stereoselective synthesis
Difructose dianhydrides
Fructose
Inulin
Levan
Issue Date12-Aug-2008
PublisherMultidisciplinary Digital Publishing Institute
CitationMolecules 13(8): 1640-1670 (2008)
AbstractDi-D-fructose dianhydrides (DFAs) comprise a unique family of stereoisomeric spiro-tricyclic disaccharides formed upon thermal and/or acidic activation of sucroseand/ or D-fructose-rich materials. The recent discovery of the presence of DFAs in food products and their remarkable nutritional features has attracted considerable interest from the food industry. DFAs behave as low-caloric sweeteners and have proven to exert beneficial prebiotic nutritional functions, favouring the growth of Bifidobacterium spp. In the era of functional foods, investigation of the beneficial properties of DFAs has become an important issue. However, the complexity of the DFA mixtures formed during caramelization or roasting of carbohydrates by traditional procedures (up to 14 diastereomeric spiroketal cores) makes evaluation of their individual properties a difficult challenge. Great effort has gone into the development of efficient procedures to obtain DFAs in pure form at laboratory and industrial scale. This paper is devoted to review the recent advances in the stereoselective synthesis of DFAs by means of chemical and enzymatic approaches, their scope, limitations, and complementarities.
Description31 páginas, 15 figuras, 6 tablas, 9 esquemas.
Publisher version (URL)http://dx.doi.org/10.3390/molecules13071640
URIhttp://hdl.handle.net/10261/37608
DOI10.3390/molecules13071640
ISSN1420-3049
Appears in Collections:(IIQ) Artículos
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