Belem black – Hyoscyamus niger L.

The two-year herbaceous plant 1-1.2 m, families paslenovыh (Solanaceae). It grows everywhere in Russia and abroad. For medical purposes harvested leaves of the plant.

Chemical part of black henbane

Mostly in black henbane leaves contain alkaloids tropane series - hyoscyamine, scopolamine and atropine. Their content by weight of dry medicinal plants is 0.04-0.05 %.

The pharmacological properties of black henbane

Preparations have black henbane peripheral M-holinoliticheskoe effect, due to the presence in the plant of tropane alkaloids. The drug reduces or cropped spasms of smooth muscles of the intestine, biliary and urinary tract, less effect on the smooth muscles of bronchi. Inhibit separation of tear fluid, Saliva, mucus and gastric juice.

In connection with the use of small therapeutic doses of henbane is almost no effect on the central nervous system, particularly in the cerebral cortex. Pupil dilation is observed only after taking maximum doses of medications plant. Depending on the content of the feedstock Scopoli its effect on the central nervous system can not be unique. With the predominance of the alkaloid content of the plant often has a sedative effect, inhibits the processes of excitation in the motor cortex.

The use of black henbane in medicine

Henbane herbal medicines are of limited use. In the form of an extract is prescribed in some cases, instead of the extract of belladonna as an antispasmodic and analgesic for diseases of the gastrointestinal tract, associated with spasms of smooth muscles.

Formulations, Dosing and Administration

Henbane dry extract (Hyoscyami dry extract) appoint 0,02-0,05 g per reception. Higher doses for adults: single 0,1 g, daily 0,3 g.