ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,614, issued on July 15, was assigned to NAGASE & Co. LTD. (Osaka, Japan).

"L-ergothioneine-containing composition" was invented by Takeshi Nakatani (Hyogo, Japan) and Nanami Nakashima (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a composition in which L-ergothioneine (EGT) and N,N-dimethyl-L-2-thiohistidine (DTH), it makes possible to suppress coloring of the composition. A composition comprising EGT and DTH is prepared in which the content of DTH is reduced."

The patent was filed on March 4, 2021, under Application No. 17/905,626.

*For further information, including images, charts and tables, please visit: http://patft.uspto.go...