SUGAR WITH HIGH CONTENT OF LACTOSUCROSE, PROCESS FOR PRODUCING THE SAME AND USE THEREOF

WIPO Patent Application WO/2005/103276

A1

A process comprising causing β-fructofuranosidase derived from a microbe belonging to the genus Bacillus and sucrose unassimilating yeast to act on an aqueous solution containing sucrose and lactose to thereby produce a sugar with a high content of lactosucrose wherein with respect to sugar composition, lactosucrose is contained in a proportion of ≥ 70% while the sum of 1-kestose and fructosyllactosucrose is contained in a proportion of < 3%. Further, there is provided a process comprising subjecting this sugar with a high content of lactosucrose to chromatography to thereby produce a lactosucrose of high purity wherein with respect to sugar composition, lactosucrose is contained in a proportion of ≥ 90%. Still further, there is provided a process for producing crystalline lactosucrose. Moreover, there are provided, produced by the above processes, a sugar with a high content of lactosucrose and lactosucrose of high purity.

OKABE HIROYUKI (JP)
AGA HAJIME (JP)
KUBOTA MICHIO (JP)
MIYAKE TOSHIO (JP)

PCT/JP2005/007528

November 03, 2005

April 20, 2005

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HAYASHIBARA BIOCHEM LAB (JP)
OKABE HIROYUKI (JP)
AGA HAJIME (JP)
KUBOTA MICHIO (JP)
MIYAKE TOSHIO (JP)

A23L27/30; A61Q90/00; C07H3/06; C12P19/14; C12P19/18; C13B20/14; C13B20/16; C13B30/02; C13B50/00; A23C9/12; A23G1/00; A23L27/00; A23L33/00; (IPC1-7): C12P19/18; C07H3/06; C12P19/14

EP0780470A2	1997-06-25
EP0447125A1	1991-09-18
JPH05130885A	1993-05-28
EP0812915A2	1997-12-17

FUJITA T. ET AL: "Lactosucrose no Seisan Gijutsu", BRAIN TECHNO NEWS, vol. 39, 1993, pages 4 - 7

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