Lenses drevovidnaya, common hazel, hazel – Corylus colurna L.

Family Betulaceae - Berezovыe.

Description of the common hazel plants

Tree to 20 m tall with dense broad crown; bark dark gray, deeply cracked; young branches yellowish-gray, coated fibrous bristles, with glandular villous. The leaves are broad ovate or wide, lanceolate, cordate at base, at the edges dvazhdypilchatye. Male flowers are collected in the thick, long 6-10 yellowish catkins. Pistillate flowers are arranged in pairs with two red stigmas, covered with opaque scales, issuing the plumule, gathered together 3-4. Fruit - nut, located in the cup, shell which are deeply dissected into narrow lobes lanceolate, bent down. Blossoms in March - April.

Spread – It grows in mixed deciduous forests. Distributed across the country occasionally, reaching a height above sea level of about 1200 m.

Used authorities – the leaves and bark of stems and branches, collected in the spring (aprely - May) or in the first half of September.

Content of active substances in hazel

According to the conducted phytochemical studies, the leaves are richer in biologically active substances. They contain a variety of flavones, flavonols and flavonols, essential oil, Authentication. In the bark, the content of some flavonoids is lower, and their individual representatives, found in leaves, apparently, absent in the bark.

The main medicinal effect of hazel

Coronary dilator.

Experimental and clinical data on the action of hazel

Research of the total mixture of active substances of the plant, as well as its individual factions, shown, they have different effects.

On the central nervous system, they have a kind of calming effect, inhibit aggressive reaction in experimental animals, fenaminom prevent induced locomotor activity, have a marked potentiating effect on analgesia under the influence of morphine.

Interest cause the effects of bioactive compounds from hazelnut on the cardiovascular system. They are moderately lower blood pressure, but expressed gipotensivny potentiate the effect of beta-adrenergic blockers (propranolol). In practice, the most significant is the effect of their koronarorasshiryayuschee. Under experimental conditions, it is equal to that of the most popular means of coronary dilatators (prenylamine).

Isolated from the leaves of hazel active substances have antiulcer - preventive and curative action, especially for those experimental models of gastric ulcers, leading role in the pathogenesis of which play a central-nervous, adrenergic mechanisms in nature.

Besides, they exert a protective and antihepatotoxic activity against experimental liver injury tetrachloromethane.

The use in medicine hazel

In folk medicine recommend the use of hazel leaves and bark to treat hypertension, mild and severe forms, as well as an enlarged prostate. The results of experimental studies support the empirical evidence of traditional medicine on the treatment of hypertension and (the further clinical verification) can significantly extend their.

Dosing hazel medicine

Raw materials used for the infusion: tablespoons chopped dried leaves or bark pour a glass of boiling water. Drink 1 2 tablespoons once a day.