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Title:
D-PSICOSE CRYSTAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/111851
Kind Code:
A1
Abstract:
The present application relates to a method for preparing a D-psicose crystal comprising 98%(w/w) or more of D-psicose and 0.05%(w/w) or less of ethanol on the basis of 100%(w/w) of the entire crystal, the method comprising: a first step of mixing an organic solvent and a solution containing D-psicose; and a second step of injecting a seed into the mixture solution obtained in the first step, and then cooling same, thereby obtaining a maskette comprising a D-psicose crystal. Therefore, the present invention can improve the yield of D-psicose crystals from a D-psicose solution, and can prepare D-psicose crystals having no offensive taste/odor and having a sufficient size and an appropriate shape for mass production.

Inventors:
PARK YOUNG SOO (KR)
LEE JOO HANG (KR)
KIM SEONG BO (KR)
PARK SEUNG WON (KR)
Application Number:
PCT/KR2019/016668
Publication Date:
June 04, 2020
Filing Date:
November 29, 2019
Export Citation:
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Assignee:
CJ CHEILJEDANG CORP (KR)
International Classes:
C07H3/02; C07H1/00
Foreign References:
KR20160046143A2016-04-28
KR20110108185A2011-10-05
KR20160062349A2016-06-02
JP2005263670A2005-09-29
JP4873493B22012-02-08
KR20110035805A2011-04-06
KR101203856B12012-11-21
KR20110035805A2011-04-06
KR101455759B12014-10-28
KR20150047111A2015-05-04
KR20110035805A2011-04-06
KR20090118465A2009-11-18
Other References:
KEI T ET AL., J. BIOSCI. BIOENG., vol. 90, no. 4, 2000, pages 453 - 455
See also references of EP 3865498A4
Attorney, Agent or Firm:
SON, Min (KR)
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