Owing to progressive aging in the population, there is an increase patients with cognitive impairment. For prevention of dementia, use plant remedies relevant. Of particular interest Klasea centauroides (L.) Cass. (Serratula L., Asteraceae), which has significant natural reserves, contains a wide range biologically active substances, and used folk medicine treat nervous system diseases. This st...

• Relations of Lloyd's I p macrobenthic patchiness studied in 6 types seagrass. Interspecific closely correlated with unoccupancy. Less so abundance, and not mean crowding, c. correlates the expression ' a .unoccupancy + (1? ) c where > 0.8. Patchiness-unoccupancy relationship unaffected by assemblage composition. The macroecological abundance-occupancy is well known; potential one either or bo...

Aim. In vitro analysis of the inhibitory activity extracts, fractions and secondary metabolites plants genus Silene [Caryophylaceae] Serratula cupuliformis [Asteraceae) on replication SARS-CoV-2. Material Methods . spp. Siberian Botanical Garden National Research Tomsk State University were used. Ethanol extracts butanol prepared. The flavonoid shaftoside ecdysteroid 20-hydroxyecdysone from Lyc...

Serratula tinctoria (Asteraceae) accumulates mainly 3,3'-dimethylquercetin and small amounts of 3-methylquercetin as an intermediate. The fact that 3-methylquercetin rarely accumulates in plants in significant amounts, and given its important role as an antiviral and antiinflammatory agent that accumulates in response to stress conditions, prompted us to purify and characterize the enzyme invol...