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.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Jun. 17, 2020
Applicants:
Amano Enzyme Inc., Nagoya, JP;
Amano Enzyme Europe Ltd., Oxfordshire, GB;
Inventor:
Hiroki Fujioka, Oxfordshire, GB;
Assignees:
AMANO ENZYME INC., Nagoya, JP;
AMANO ENZYME EUROPE LTD., Oxfordshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/78 (2006.01); C12N 9/54 (2006.01); C12N 9/62 (2006.01); C12N 9/80 (2006.01); C12P 13/12 (2006.01); C12P 21/02 (2006.01);
U.S. Cl.
CPC ...
C12N 9/80 (2013.01); C12N 9/54 (2013.01); C12N 9/62 (2013.01); C12P 13/12 (2013.01); C12P 21/02 (2013.01); C12Y 203/02002 (2013.01);
Abstract
It is an object of the present invention to provide a practical means of producing cysteine from glutathione that is also suitable for use in the field of foods. Cysteine is produced from glutathione by a first step of producing cysteinylglycine by the action of a γ-glutamyl peptidase derived from a microorganism on reduced glutathione; and a second step of producing cysteine by the action of an acid protease derived from a microorganism on the cysteinylglycine.