Home – Home – Jornals – Chemistry for Sustainable Development 2021 number 4

The content of reserve and biologically active substances in the leaves and rhizomes of the Regal Air variety of Hemerocallis hybrida species cultivated in the Central Siberian Botanical Garden, in the forest-steppe zone of Western Siberia, was determined. Comparative data on the specific features of the accumulation of reserve substances (sugar, starch), phenolic compounds (catechins, flavonols), pectin substances (pectins, protopectins), saponins, and ascorbic acid in the vegetative organs of this variety during the years 2013-2015 are presented. An increase in the content of ascorbic acid in the leaves by the fruiting period by a factor of 1.2-2.5 was determined, depending on the growing season. The highest content of ascorbic acid in the leaves was determined in 2014, varying from 81.30 • 10^-3 to 202.91 • 10^-3 %. A stable concentration of flavonols in the leaves (0.75 - 0.83 %) was detected during the growing season of 2015. The highest amount of saponins in the rhizomes was detected during the spring growing season and fruiting, which was 2 times more than in the leaves. The high content of catechins (0.89-1.00 %) was detected in the leaves of the Regal Air variety during the early summer growing period. The amount of starch in the rhizomes in different phenophases and years of development varied from 24.12 to 43.54 %. It was determined that the content of ascorbic acid, sugars, flavonols is higher in the leaves than in the rhizomes, while the rhizomes contain higher amounts of starch, pectins, protopectins, saponins. The content of reserve and biologically active substances in the leaves and rhizomes of H. hybrida , Regal Air variety, adapted to the conditions of the forest-steppe zone of the Novosibirsk Region, depends on the features of development and the year of vegetation of the plants.