PURIFICATION METHOD AND PRODUCTION METHOD FOR CELLOBIOSE

WIPO Patent Application WO/2006/112316

A1

A method for the purification of cellobiose comprising the steps of: (A) preparing a cellobiose-containing sugar solution; (B) adjusting the content of cellobiose in the cellobiose-containing sugar solution to 50% by mass or more relative to the total sugar content; and (C) crystallizing cellobiose from the solution; and a method for producing cellobiose having a high &agr -anomer ratio, the method comprising the step of drying a cellobiose-containing sugar solution having a cellobiose content of 90% by mass or more relative to the total sugar content while the temperature is kept at 80 to 95&ring C. It becomes possible to purify cellobiose from a cellobiose-containing sugar solution at low cost with dramatically improved purity and yield without the need of complicated processes. It becomes also possible to produce cellobiose having a high solubility in water.

SHIMADA KENSAKU (JP)
ICHIHARA TAKASHI (JP)
TSUMIYA TAKAHIKO (JP)
TAKAMI YASUHIRO (JP)
FUKUSHIMA MIKIE (JP)

PCT/JP2006/307726

October 26, 2006

April 12, 2006

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MATSUTANI KAGAKU KOGYO KK (JP)
JAPAN CHEMICAL ENGINEERING & M (JP)
SHIMADA KENSAKU (JP)
ICHIHARA TAKASHI (JP)
TSUMIYA TAKAHIKO (JP)
TAKAMI YASUHIRO (JP)
FUKUSHIMA MIKIE (JP)

C07H3/04; C13K13/00

JPH0331294A	1991-02-12
JPH05317073A	1993-12-03
JPH07184678A	1995-07-25
JP2005068140A	2005-03-17

Kumakura, Yoshio (Shin-Tokyo Bldg., 3-1,, Marunouchi 3-chome, Chiyoda-ku Tokyo 55, JP)

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