METHOD FOR PRODUCING DEPOLYMERIZED POLYSACCHARIDE

METHOD FOR PRODUCING DEPOLYMERIZED POLYSACCHARIDE

PROBLEM TO BE SOLVED: To provide a method to improve recovery of depolymerized polysaccharide in the case of producing a depolymerized polysaccharide by disintegration of polysaccharide by separating out sufficiently a depolymerized polysaccharide irrespective of polymerization degree from aqueous s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOYAKUMARU TAKATOSHI, KUBO JUNICHI, ITO KENICHI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLYSACCHARIDES
SEPARATION
SUGARS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method to improve recovery of depolymerized polysaccharide in the case of producing a depolymerized polysaccharide by disintegration of polysaccharide by separating out sufficiently a depolymerized polysaccharide irrespective of polymerization degree from aqueous solution of depolymerized polysaccharide while suppressing amount of hydrophobic alcohol used. SOLUTION: The method comprises making an aqueous solution of a depolymerized polysaccharide to an acid-containing acidic aqueous solution, and adding a 5-8C hydrophobic alcohol to the acidic aqueous solution to compatibilize the acidic solution with the hydrophobic alcohol to deposit the depolymerized polysaccharide. COPYRIGHT: (C)2010,JPO&INPIT