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Фитоэкдистероиды корней Silene frivaldszkyana Hampe

Фитоэкдистероиды корней Silene frivaldszkyana Hampe

Abstract

Из корней интродуцированных в Западную Сибирь Silene frivaldszkyana (Caryophyllaceae) выделены экдистероиды: 20-гидроксиэкдизон, полиподин B, интегристерон A, 2-дезокси-20-гидроксиэкдизон, 2-дезоксиэкдизон, 20,26-дигидроксиэкдизон, 26-гидроксиполиподин В, 20-гидроксиэкдизон-25-β-D-глюкозид. Структуры идентифицированы с помощью методов ЯМР-, масс-спектрометрии, ВЭЖХ. Наличие 26-гидроксиинтегристерона А в корнях установлено при сравнительном ВЭЖХ-анализе с выделенным соединением из надземной части Silene frivaldszkyana. Показано, что исследуемый вид Silene синтезирует характерные для данного рода экдистероиды: 2-дезокси-20-гидроксиэкдизон, 2-дезоксиэкдизон, 20-гидроксиэкдизон, полиподин B, интегристерон A и является богатым источником их 26-гидрокси производных. Наряду с распространенными экдистероидами в видах рода Silene впервые в исследуемом виде выделен 20-гидроксиэкдизон-25-β-D-гликозид. Сравнительный анализ состава экдистероидов в надземной и подземной частях показал, что корни содержат более богатый их состав, видимо, это связано с тем, что корни многолетних растений аккумулируют эти соединения. А 20-гидроксиэкдизон-25-β-D-глюкозид, вероятно, является запасным веществом мажорного компонента - 20-гидроксиэкдизона.

Related Organizations
Keywords

Silene frivaldszkyana, фитоэкдистероиды, идентификация, корни растений

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green