Abstract
Research is devoted to studying by methods of a highly performance liquid chromatography (HPLC) of the dynamics of the content flavonol glycosides astragalin, isoquercitrin and ecdysteroid 20-hydroxyecdysone in fronds Pteridium aquilinum and Matteuccia struthiopteris, growing in the vicinity of Novosibirsk (Akademgorodok, CSBG SB RAS). The analysis carried out on the analytical HPLC-system consisting of the liquid chromatograph «Agilent 1200» with the with diode array detector. In P. aquilinum found all of the compounds, in M. struthiopteris – only astragalin. At the beginning of June the content of astragalin at both species is greatest, isoquercitrin in bracken – trace. Astragalin at bracken remains at the level of 0,2% until the end of summer, at ostrich fern we observe some increase – to 0,14%. The quantity of isoquercitrin by the end of summer at bracken also increased – to 0,42%. The maximum content of 20-hydroxyecdysone – 0,91% – at P. aquilinum recorded in the middle of August, the minimum – in the middle of May in a phase of the beginning of growth.
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