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Interconversion of Lactose to Lactulose in Alkaline Environment: Comparison of Different Catalysis Concepts
Umeå University, Faculty of Science and Technology, Department of Chemistry. Laboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Centre, Åbo Akademi University, Turku, Finland.
2013 (English)In: Topics in catalysis, ISSN 1022-5528, E-ISSN 1572-9028, Vol. 56, no 9-10, 839-845 p.Article in journal (Refereed) Published
Abstract [en]

Interconversion of lactulose to lactulose with the aim to determine and optimize the yield of ketose was carried out. Various homogenous and heterogeneous alkaline catalysts were applied (NaOH, MgO, hydrotalcite etc.). The selectivity and activity of the catalysts were compared. The results gave insight to the performance differences among the screened catalysts under the various reaction conditions. From the activity performance point of view, the conversion was limited by the formation of acidic end-products. In general, the selectivity decreased with conversion and the conversion-selectivity pattern was independent of the catalyst.

Place, publisher, year, edition, pages
Springer/Plenum Publishers , 2013. Vol. 56, no 9-10, 839-845 p.
Keyword [en]
Lactose, Lactulose, Alkaline rearrangement, Epimerization of aldoses, Lobry de Bruyn-Alberda van Ekenstein transformation
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-78453DOI: 10.1007/s11244-013-0044-zISI: 000320500200040OAI: diva2:637846
15th Nordic Symposium on Catalysis, Mariehamn, Åland, June 16–18, 2012
Available from: 2013-07-23 Created: 2013-07-22 Last updated: 2013-11-22Bibliographically approved

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Mikkola, Jyri-Pekka
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