Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Subjects: the nettle; Urtica dioica L.; rhizomes with roots; leaves; inflorescence; fruits; sterols, крапива двудомная; Urtica dioica L.; корневища с корнями; листья; соцветия; плоды; стерины.
Leaves of nettle (Urticadioica L.) are used as a source of vitamin K1 in Russia Federation. Abroad rhizomes with roots of nettle serve as the basis for the effective drugs used to treat benign prostatic hyperplasia. The aim of this paper the abtaining is to study the content of sterols in various parts of herbal material of the nettle.The objects of study were different samples of nettle. Sterol content was estimated in the herbal material by the method, based on the interaction between sterols with concentrated sulfuric acid, at analytical wavelength ex 328 nm. It was found that the accumulation of the content of total of sterol compounds in the rhizomes and roots of nettle is reduced in June and is 1,88 ± 0,03%. Then, the content of sterols gradually increased in September, reaching a level of 3,42 ± 0,05%. The content of the total sterols in the rhizomes with roots prepared from female specimens nettle, is on average 7,34 ± 0,11%. In the case of the male plant it is 3,91 ± 0,06%. A similar situation was observed for the inflorescences of the nettle. In the female inflorescences the content of total sterols is at the level of 14,32 ± 0,21%, in male flowers it is 3,85 ± 0,06%.
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