Antioxidant status of Samarovski Chugas (Jugra) bryophytes and growth promoting activity of their water extracts

Relevance. Despite valuable profile of biologically active compounds, high adaptability and beneficial effects on human health mosses have never been utilized in agriculture as growth stimulators.

Materials and Methodology. The present work aimed to evaluate the antioxidant status of 7 Jugra moss species and record the possibility of their water extract utilization for radish seedling growth.

Results. The total antioxidant activity (AOA) and polyphenol content (TP) determined via visual titration and Pholin-Chiocalteu methods accordingly were in the range of 14.6-30.4 and 8.7-24.4 mg GAE/g d.w. accordingly with the higher values typical to the Khanty-Mansiysk city (Misne) and lower – to the suburbs (Shapsha) and Uksovski spring сompared to the high AOA, TP values for the Pleurotium schreberi of the southern Karelia and Vladimir. Direct correlations between AOA and TP for all species investigated (r=0.843) and between AOA and proline (0.936) for mosses gathered in Samarovski Chugas were indicated. Water extracts (0.02%) of five from 7 moss species recorded the ability to stimulate predominantly radish roots growth with the highest growth stimulation ability of Sphagnum russowi and Callieregonella lindbegii extracts and the lowest of Pleurozium schreberi.

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