Subcritical Water Extraction Enables the Production of Cichoric and Caftaric Acid-Standardized Echinacea purpurea Root Extracts with Defined Composition and Favorable Biological Properties. - Denev, Petko; Teneva, Desislava; Ognyanov, Manol; Pimpilova, Mariya; Petrova, Ani; Dimitrov, Georgi; Vasileva, Bela; Hristova-Panusheva, Kamelia; Krasteva, Natalia; Miloshev, George; Georgieva, Milena (Molecules, 2026)