COMPARATIVE STUDY OF THE CONTENT OF BIOLOGICALLY ACTIVE SUBSTANCES IN THE ABOVEGROUND ORGANS OF ATRAPHAXIS FRUTESCENS AND A. PUNGENS (POLYGONACEAE), GROWING IN SIBERIA

Abstract

The results of comparative study of the content of the biologically active substances in the aboveground organs of Atraphaxis frutescens (L.) C. Koch. and A. pungens (Bieb.) Jaub. et Spach. are presented. It is established that plants contain a rich complex of biologically active substances: flavonols, tannins, catechins, carotenoids, pectin substances. The leaves and the reproductive organs of the Atraphaxis differ in the highest content of all substances. Almost on all biochemical indices aboveground organs A. pungens surpass in A. frutescens. In leaves and reproductive organs of A. pungens the content of flavonols (up to 7.32% ‒ in reproductive organs and up to 10.10% ‒ in leaves), tannins (up to 34.30% and 27.27%, respectively) and protopectins (up to 11.29 and 7.96%), and also in leaves ‒ catechins (up to 3.92%) and in reproductive organs ‒ pectins (up to 2.63%) and carotenoids (up to 83.48 mg%) higher than at A. frutescens. The content of catechins in the reproductive organs (up to 3.78%) and in leaves ‒ carotenoids (up to 273.14 mg%) is higher in A. frutescens. Populations of Atraphaxis perspective for further pharmacological researches are allocated. Researches of biologically active substances A. frutescens and A. pungens growing in Siberia are spent for the first time.