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US 2022/0243235 A1Published application
Method for producing cysteine from glutathione
AssigneesAmano Enzyme Inc., Amano Enzyme Europe Ltd.
InventorHiroki FUJIOKA
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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.
Claims12
A method for producing cysteine from glutathione comprising:
- 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.
Dependencies are inferred from the claim text.