ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,187, issued on Oct. 21.

"Composition for preventing and treating inflammatory bowel disease including puer tea extract" was invented by Kyong-Won Chong (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for preventing and alleviating inflammatory bowel disease by administering a composition including puer tea extract as an active ingredient to a subject in need thereof. Puer tea extract of the present disclosure showed an effect of improving damaged colonic tissue in a mouse model of acute ulcerative colitis induced by dextran sulfate sodium (DSS), and showed an inhibitory effect on clinical symptoms of the disea...