ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,166, issued on Nov. 3, was assigned to SYMRISE AG (Holzminden, Germany).

"Preparation of dried plant material having an increased content of phyllodulcin" was invented by Jakob Peter Ley (Holzminden, Germany), Esther-Corinna Schwarze (Einbeck, Germany), Andreas Ulbrich (Osnabruck, Germany), Andreas Theisen (Dusseldorf, Germany) and Matthias Preusche (Wallenhorst, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the cultivation (preferably indoor) of Hydrangea species for increased production of phyllodulcin and the provision of a plant material, preferably a dried plant material, having an increased content of p...