METHOD FOR PREPARING NATURAL L-CYSTEINE CRYSTALS BY CONTINUOUS CHROMATOGRAPHY

Title:

METHOD FOR PREPARING NATURAL L-CYSTEINE CRYSTALS BY CONTINUOUS CHROMATOGRAPHY

Document Type and Number:

WIPO Patent Application WO/2019/151770

Kind Code:

A1

Abstract:

The present disclosure relates to a method for preparing L-cysteine crystals, and L-cysteine crystals prepared by the method. Through the method for preparing L-cysteine crystals of the present disclosure, L-cysteine crystals can be obtained from a natural L-cysteine fermentation broth with a high recovery rate and/or purity without a chemical reaction or the use of an artificial synthetic compound.

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Inventors:

KIM JUN-WOO (KR)
LEE JUNG MIN (KR)
JO SE-HEE (KR)
KIM IL CHUL (KR)
LEE IN SUNG (KR)
JUNG JUN YOUNG (KR)

Application Number:

PCT/KR2019/001289

Publication Date:

August 08, 2019

Filing Date:

January 30, 2019

Export Citation:

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Assignee:

CJ CHEILJEDANG CORP (KR)

International Classes:

C07C319/28; C07C323/58; C12P13/12

Domestic Patent References:

WO2013089478A2	2013-06-20
WO2012053794A2	2012-04-26

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Other References: