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Title

Isomerization of lactose catalyzed by alkaline-substituted sepiolites

AuthorsFuente, Miguel Ángel de la ; Juárez, Manuela ; Rafael, Eduardo de; Villamiel, Mar ; Olano, Agustín
KeywordsLactulose
Lactose
Epilactose
Alkaline-sepiolite
Isomerization
Issue Date1999
PublisherElsevier
CitationFood Chemistry 66: 301- 306 (1999)
AbstractStrong base catalysts, prepared by substituting a part of the Mg2+ located at the borders of the channels of sepiolite with alkaline ions (Li+, Na+, K+ and Cs+), were investigated as catalysts for the isomerization of lactose to lactulose and epilactose. The activities exhibited by alkaline-exchanged sepiolites were significantly higher than that of natural sepiolite. The influence of temperature, time of the reaction and catalyst loading were also evaluated. A 20% conversion was obtained at 90°C at a catalyst loading of 15 g litre-1. Copyright (C) 1999 Elsevier Science Ltd.
URIhttp://hdl.handle.net/10261/114776
DOI10.1016/S0308-8146(99)00060-6
Identifiersdoi: 10.1016/S0308-8146(99)00060-6
issn: 0308-8146
Appears in Collections:(IF) Artículos
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