UHPLC-PDA-ESI-TOF/MS metabolic profiling of Arctostaphylos pungens and Arctostaphylos uva-ursi. A comparative study of phenolic compounds from leaf methanolic extracts

UHPLC-PDA extracted chromatograms at λ = 350 nm of A. uva-ursi and A. pungens are the first evidence of differences in flavonols content between the two species.