About St. John's wort

       




Perennial, herbaceous plant height of 30-60 cm with a branched rhizome. It grows on dry and fresh, acidic or neutral, rich, sandy and clay soils in open forests, meadows and pastures, clearings. A medicinal herb. During flowering, build it green part. Flowers and leaves contain red and brown dye.

Common names: blood grass, hard hay, grass wounds of Jesus, wound the grass.

Chemical composition.
The plant contains red fluorescent pigments hypericin and pseudohypericin, flavonovy glycoside hyperinflation (hyperoside), which give the breakdown of quercetin, rutin and other flavonoids; a large amount of carotene, tannins pyrocatechol group, volatile oil, bitter extractive substances, choline, ascorbic and nicotinic acid, traces of alkaloids, resinous substances and volatile.



Useful properties.
St. John's wort preparations are used as astringent, disinfectant and anti-inflammatory agent, inside — in diseases of the gastrointestinal tract, acute and chronic colitis non-bacterial origin.
St. John's wort has a positive effect on the liver, bile channels, helps with headaches, insomnia, excessive sexual excitability, relieves heaviness in the stomach, shortness of breath, and helps with lung diseases, urinary incontinence.
Externally applied, the herb St. John's wort with trudnozazivate wounds, ulcers and burns.
There is evidence that St. John's wort preparations have P-vitamin activity, reduce capillary permeability. Thick extract of Hypericum is used in the treatment of vitiligo.
The juice of St. John's wort is well heals wounds, its infusion has a diaphoretic and vermifuge action. Hypericin has a slightly calming effect, it affects depression, especially associated with menopause.

Contraindications use.
To apply preparations of Hypericum in is possible only on prescription, strictly observing the rules of admission and duration of treatment. In some cases, there is sensitivity to the sun, dermatoses, excited nervous system. After taking large doses of medication of St. John's wort is not recommended to be in the sun, it threatens to impact and sometimes fatal. It is believed that St. John's wort adversely affects the optic nerve. It is impossible to use preparations of St. John's wort for high blood pressure.





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