METHOD FOR PRODUCING RARE SUGAR-CONTAINING COMPOSITION AND RARE SUGAR-CONTAINING COMPOSITION

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United States of America Patent

APP PUB NO 20210324434A1
SERIAL NO

17292169

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Abstract

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An object of the present invention is to provide a rare sugar-containing composition having improved properties as a sweetener while maintaining the excellent functionality of D-psicose. The invention relates to a method of producing a rare-sugar containing composition with D-fructose as a raw material. An intended product having a novel composition of D-glucose, D-fructose, and D-psicose is obtained by preparing a mixture of D-fructose and D-psicose by using ketose 3-epimerase in the first stage and converting D-fructose into D-glucose by using D-xylose isomerase inert to D-psicose in the second stage. The first-stage product is a mixture of D-fructose and rare sugar D-psicose. The resulting mixture is a sweetener having a taste quality equal to that of sugar.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL UNIVERSITY CORPORATION KAGAWA UNIVERSITY1-1 SAIWAI-CHO TAKAMATSU-SHI KAGAWA 760-8521

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akimitsu, Kazuya Takamatsu-shi, JP 8 17
Izumori, Ken Takamatsu-shi, JP 55 225
Kato, Shiro Takamatsu-shi, JP 57 1029
Mochizuki, Susumu Takamatsu-shi, JP 6 43
Takaoka, Seizo Takamatsu-shi, JP 5 6
Yoshihara, Akihide Takamatsu-shi, JP 10 0

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