Optimization of Ultrasound-Assisted Extraction of Flavonoids from Leaves Using Response Surface Methodology and Evaluation of Their Antioxidant and Antitumor Activities.

is a potential source of flavonoids with biological activities. This study aimed to develop an ultrasound-assisted technique for extracting flavonoids from leaves of . Response surface methodology was employed to optimize the extraction conditions for maximizing the total flavonoid content (TFC).