ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,673, issued on Aug. 11, was assigned to PRO XN SP. Z O.O. (Warsaw, Poland).
"Method for synthesizing xanthohumol" was invented by Joanna Andrusiak (Badkowo, Poland), Kinga Mylkie (Kikol, Poland), Andrzej Jan Wolan (Torun, Poland) and Mariusz Jan Bosiak (Torun, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for synthesizing xanthohumol (XN) from naringenin comprising includes the steps of acylating hydroxyl groups of a naringenin flavone moiety to obtain an acylation product, a reaction of conversion of the flavone moiety into a chalcone moiety, and subjecting the chalcone compound to a reaction of hydrolysis of its ester groups, and ...