Abstract
β-Glucosidase from sweet almond (Amygdalus communis var. ‘Dulcis’) entrapped on to calcium alginate beads catalysed the synthesis of water soluble 17-O-(D-glucopyranosyl)cholecalciferol. Optimum conditions for the reaction were: 60% (w/w D-glucose) β-glucosidase, 0.12 mM pH 6 phosphate buffer and 30 h incubation period. β-Glucosidase also catalyzed the reaction with D-glucose 2, D-galactose 3, D-mannose 4 and D-fructose 5 with generally low yields in the range of 3–14%. Both α/β anomers of D-glucose 2, D-galactose 3 and D-mannose 4 reacted, of which the former two formed C6-O derivatives also.
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Acknowledgement
Divakar S acknowledges the Department of Biotechnology, Govt. of India, for the financial assistance provided.
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Manohar, B., Divakar, S. Enzymatic synthesis of cholecalciferol glycosides using β-glucosidase from sweet almond. J Food Sci Technol 47, 469–475 (2010). https://doi.org/10.1007/s13197-010-0080-7
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DOI: https://doi.org/10.1007/s13197-010-0080-7