(1)
Petkova, N.; Ivanov, I.; Mihaylova, D.; Lante, A. EFFECT OF PRESSURE LIQUID EXTRACTION AND ULTRASONIC IRRADIATION FREQUENCY ON INULIN, PHENOLIC CONTENT AND ANTIOXIDANT ACTIVITY IN BURDOCK (Arctium Lappa L.) ROOTS. Acta Sci. Pol. Hortorum Cultus 2020, 19, 125-133.