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    • 2. 发明专利
    • METHOD FOR CONTINUOUSLY PRODUCING beta-1,4- GALACTOSYLMALTOSE
    • JP2002153295A
    • 2002-05-28
    • JP2000356157
    • 2000-11-22
    • ENSUIKO SUGAR REFININGYOKOHAMA KOKUSAI BIO KENKYUSHO
    • MURAKAMI KAZUFUMIITO TETSUYAFUJITA TAKATERUHARA KOZO
    • C12P19/14G01N30/46G01N30/88
    • PROBLEM TO BE SOLVED: To provide a method for producing β-1,4-galactosylmaltose simplified in the whole operation, and to provide a method for easily producing high-purity β-1,4- galactosylmaltose by crystallization method on an industrial scale. SOLUTION: This method for continuously producing β-1,4-galactosylmaltose is characterized by comprising making the operations of respectively feeding stock solution containing both lactose and maltose as the feedstocks and an eluent into a system with a plurality of columns each provided with a packing material bed inside mutually connected endlessly and allowing these liquids to flow unidirectionally as a circulating flow, reacting a galactosyl group transferase-containing enzyme solution or the immobilized enzyme introduces into the system with the lactose and maltose and respectively extracting the thus formed β-1,4-galactosylmaltose-rich fraction liquid and glucose-rich fraction liquid out of the system, and a pseudomobile bed-type chromatographic separation comprising intermittently moving the positions of inlets through which the respective stock solution and the eluent are fed and the positions of outlets through which the respective fraction liquids are extracted out of the system and moving the packing material in the direction apparently opposite to the direction of the liquid flow for both the inlets and outlets.