The flavonoids content in the fruits of some woody introduced species grown in the Botanical Garden of Samara University

This paper discusses the features of flavonoid complexes accumulation in fruits some fruit and berry crops that have been grown conditions Botanical Garden Samara University. The objects this study are such as Ampelopsis glandulosa Elegans, Morus alba L., Mahonia aquifolium (Pursh) Nutt.), Sambucus nigra L. Mature were collected autumn 2021 by staff to these plants for flavonoids. They kept frozen, samples used prepare an alcoholic extract with addition acid according appropriate method. was further spectrum recording quantitative determination phenolic compounds conventional method using FolinCiocalteu reagent estimate content substances nature a particular sample. An approximate amount studied extracts showed differed extracted compounds. Magonia first place both fresh dry mass, second shared ampelopsis elderberry. And least found mulberry fruits.