The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 28, 2019

Filed:

May. 07, 2015
Applicant:

Zhejiang University, Hangzhou, Zhejiang Province, CN;

Inventors:

Zongbi Bao, Hangzhou, CN;

Minhui Huang, Hangzhou, CN;

Shuran Duan, Hangzhou, CN;

Qianqian Zhou, Hangzhou, CN;

Zhiguo Zhang, Hangzhou, CN;

Qiwei Yang, Hangzhou, CN;

Baogen Su, Hangzhou, CN;

Huabin Xing, Hangzhou, CN;

Qilong Ren, Hangzhou, CN;

Yiwen Yang, Hangzhou, CN;

Assignee:

ZHEJIANG UNIVERSITY, Hangzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 1/08 (2006.01); C07H 3/06 (2006.01); C13K 13/00 (2006.01); A23L 5/20 (2016.01); A23L 5/30 (2016.01); B01D 15/18 (2006.01); B01D 61/44 (2006.01); B01D 71/08 (2006.01);
U.S. Cl.
CPC ...
C07H 1/08 (2013.01); A23L 5/23 (2016.08); A23L 5/30 (2016.08); B01D 15/1821 (2013.01); B01D 61/44 (2013.01); B01D 71/08 (2013.01); C07H 3/06 (2013.01); C13K 13/00 (2013.01); A23V 2002/00 (2013.01); A23V 2250/622 (2013.01); B01D 2311/04 (2013.01); B01D 2311/26 (2013.01); Y02A 20/134 (2018.01);
Abstract

The present invention discloses a process for preparing high-purity raffinose from defatted wheat germ comprising the steps of percolate extraction of raffinose from defatted wheat germ, decoloration by extraction from the abstraction liquid, electrodialysis desalination, impurity removal by simulated moving bed, concentration and crystallization, with the absolute purity of raffinose as high as 98% and the recovery up to 75%. The process is not only reliable and easy to operate, but also easy to realize industrial production and control the parameters.


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