ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,478, issued on March 25, was assigned to GLICO NUTRITION Co. LTD. (Osaka, Japan).

"Gardenia blue pigment and method for producing the same" was invented by Junya Yamashita (Osaka, Japan), Masahiro Nishikawa (Osaka, Japan), Kaori Miura (Osaka, Japan) and Kenichi Fujimori (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions, and a method for producing the gardenia blue pigment. A gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions is obt...