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Lily of the valley

Lily of the valley - a perennial herb. Contains cardiac glycosides (see), saponins and other biologically active substances. Lily of the valley has a strong cardiotonic as well as sedative effect. Lily of the valley preparations (korglikon and konvallyatoksin) have an effect similar to those of strophanthin (see). Indications and contraindications to the use of drugs lily of the valley are the same as for strophanthin. Lily of the valley tincture is used mainly for neurosis of the heart.

May lily of the valley
Fig. 36. May lily of the valley (fruits on the right).

In May, the forest, like a green haze, was enveloped: the first sticky leaflets bloomed. Happy spring warm, light. At this time, the most elegant and most fragrant spring flower - the lily of the valley in May. It can be found in shady places almost throughout the forest zone of the European part of the USSR to the Urals, in the Crimea, in the Caucasus and in the Far East; in Siberia is almost not growing. The lily of the valley, which grows in the Crimea, in the North Caucasus, Transcaucasia, is a special species, the Transcaucasian, and the one that grows from eastern Transbaikalia to the lower reaches of the Amur, in the lower parts of the mountains, along the coast of the Sea of ​​Japan, is distinguished into a separate species - the lily of the Keisk, more powerful with large dark green leaves sticking up. The bells of its flowers are wider.

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All plant parts contain cardiac glycosides. Apply lily of the valley with heart disease, both independently and in combination with the preparations of valerian, hawthorn and motherwort.

In the first years of life lily does not bloom. Only after 2-3 years a large bud develops on the rhizome. In the spring of her sprout grows and opens like porcelain flowers. Then again a 2-3-year break, until a large bud develops on the rhizome, which will give a flower shoot.

Leaves of lily in medicine are valued at least flowers. They are harvested for 2-3 weeks before the flowering of plants begins, then they are richer with healing substances than they were collected during flowering.

Gather flowers and leaves only in dry weather, after drying out dew. Cut the plants should be a knife or scissors 3-5 cm from the soil , and not to tear, so as not to damage the rhizomes. In order not to crush the leaves, they loosely placed in baskets and closed from the sun. Dried in the shade, in the open air, in the wind, laid out a very thin layer of separate flowers, separate leaves. Everything must be done quickly, as the collected plants soon deteriorate.

In the vicinity of large cities, these valuable plants are almost destroyed. Special regulations have now been adopted that prohibit collecting around many cities of flowering plants. It is impossible to collect lily of the valley in some regions of Central Asia, where it is rarely found.

Preparations of lily of the valley . Tincture of lily of the valley (T-ra Convallariae; list B ), prescribed for 15-20 drops 2-3 times a day, the highest single dose of 30 drops, daily — 90 drops; It is part of Zelenin drops, consisting of tinctures of lily of the valley and valerian (10 g each), tincture of belladonna (2.5 g) and menthol (0.1 g).

Korglikon (Corglyconum; list B) - novogalenovy drug leaves lily, injected into a vein slowly in 0.5-1 ml; release form: ampoules of 1 ml of 0.06% solution; Convallatoxin (Convallatoxinum; List A ) - cardiac glycoside, injected into the vein slowly in 0.5-1 ml of 0.03% solution; release form: ampoules of 1 ml of 0.03% solution. Before administration, Korglikon and Convalltotoxin are dissolved in 10-20 ml of 20-40% glucose solution.