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ОСОБЕННОСТИ АККУМУЛЯЦИИ МИКРОЭЛЕМЕНТОВ В РАСТЕНИЯХ RUBUS CHAMAEMORUS L.

ОСОБЕННОСТИ АККУМУЛЯЦИИ МИКРОЭЛЕМЕНТОВ В РАСТЕНИЯХ RUBUS CHAMAEMORUS L.

Abstract

Исследование перспективных, не включенных в официальные фармакопейные списки растений, находящих применение в народной медицине и быту человека, является одним из актуальных направлений современного ресурсоведения. В работе рассмотрены особенности накопления и распределения микроэлементов (Mn, Fe, Zn, Cu, Cr, Pb, As, Co, Cd, Hg) в растениях Rubus chamaemorus L., произрастающих в разных типах болотных сообществ на предгорных террасах хребта Хамар-Дабан (Южное Прибайкалье). Содержание микроэлементов определяли атомно-абсорбционным методом с использованием спектрофотометра «AAnalyst 400 PerkinElmer» после микроволнового разложения растительного сырья. По величине накопления как в надземных, так и в подземных органах микроэлементы образуют следующий ряд: Mn>Fe>Zn>Cu>Cr>Pb>Co>Cd>As>Hg. Установлено, что для Fe, Cu, Cr, Pb, As, Hg характерным является акропетальный тип распределения в растениях, для Mn, Zn, Co, Cd – преимущественно базипетальный тип. Отмечен низкий уровень внутри- и межпопуляционной изменчивости концентрации микроэлементов в растениях R. chamaemorus. На основе коэффициентов накопления выделены элементы сильного накопления растениями из почвы – Zn, Cu, Cr, Cd, (Mn, Co в листьях и стеблях), а также слабого накопления и среднего захвата – Fe, Pb, As и Hg. Плоды R. chamaemorus могут быть рекомендованы в качестве дополнительного источника марганца, хрома и кобальта для профилактики микроэлементозов у различных категорий населения.

One of the main tasks of modern resource science is to study potential plants that are used in folk medicine and daily life, but are not included in official pharmacopoeia lists. The features of accumulation and distribution of microelements (Mn, Fe, Zn, Cu, Cr, Pb, As, Co, Cd and Hg) in Rubus chamaemorus growing in various types of marsh communities in the South Baikal region were studied. The content of microelements was determined by the atomic absorption method using the AAnalyst 400 PerkinElmer spectrophotometer after microwave decomposition of plant materials. In accordance with absolute values, both in aboveground and underground organs, microelements form the following row: Mn>Fe>Zn>Cu>Cr>Pb>Co>Cd>As>Hg. It was found that the acropetal distribution type in plants is characteristic for Fe, Cu, Cr, Pb, As and Hg, whereas the basipetal distribution type is predominantly characteristic for Mn, Zn, Co and Cd. Low level of intra- and interpopulation variability of microelement concentrations in R. chamaemorus plants was observed. On the basis of accumulation coefficients, elements with strong accumulation by plants from the soil were identified – Zn, Cu, Cr, Cd (Mn, Co in leaves and stems), as well as elements with weak accumulation – Fe, Pb, As and Hg. The berries of R. chamaemorus can be recommended as an additional source of Mn, Cr and Co for the prevention of microelementoses in various categories of the population.

Keywords

Rubus chamaemorus, microelements, Southern Baikal region, Южное Прибайкалье, микроэлементы

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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