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a Labrador tea large-leaved — Ledum macrophyllum Tolm.

Labrador tea large-leaved - an evergreen bush, 50-100 sm vysoyotoj. Its distinguishing characters - the thick branches covered with a brown cortex, larger leaves (length 2,5-8,5 sm and width 4-18 mm), are strong skuyochennye during blooming and placed, extended during time plodonoyoshenija inflorescences [5].

It grows in the Far East on moss boloyotah, in crude larch forests, along the edges of petrous taluses, in mountains to vyyosoty 1600 m above sea level and is most extended in Primorski Krai, PriYOamure, on Sakhalin and Kuriles. It is close to a Labrador tea-andromeda and sometimes joins in this kind [170].

In a Labrador tea large-leaved, essence (1,94-2,32 %) is found in its structure Phenolums (0,85 %), acids (0,12 %), among them undekanovaja and ka -

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prinovaja [23]; ledol (22,29 %), paljustrol, a-gurjunen, alloaromadendren, leden, a-pinen, R-pinen, Д3-карен, mirtsen, limonen, tsineol, p-tsimol [24, 83, 236]. In leaves its concentration compounds 1,5 % [229]. Besides, soderyozhatsja kumariny (umbelliferon, eskuletin, skopoletin) [80], flavonoidy [229], derivatives of Phenolums (arbutin 19,7 %) [228].

Labrador tea large-leaved apply as otharkivajushchee means at cough, a whooping cough, and also at chronic rheumatism, skrofuleze; at Nanaians - at illnesses of a stomach [229]. It is found it analgezirujushchy and sedative effects [58]. In experiment it is established high protivovosyopalitelnoe action of essence of a Labrador tea large-leaved [81].

1.2.

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Scientific source Korotayeva MARINA SERGEEVNA. FARMAKOGNOSTICHESKY STUDYING of FOUR KINDS of SORT LEDUM L. The dissertation on competition of a scientific degree of the candidate of pharmaceutical sciences. Yaroslavl -. 2006

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