ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,871, issued on July 1, was assigned to AMANO ENZYME INC. (Nagoya, Japan) and AMANO ENZYME EUROPE LTD. (Oxfordshire, Great Britain).
"Method for producing cysteine from glutathione" was invented by Hiroki Fujioka (Oxfordshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 Gamma-glutamyl peptidase derived from a microorganism on reduced glutathione; and a second step of produci...