St. John’s wort (Hypericum perforatum L.)

Hypericum perforatum is a perennial herbaceous plant of the St. John’s wort family (Guttiferae). Other names: krovavchik, khvoroby, duravets ordinary, hare’s blood


Fairly tall (30-60 cm) perennial herbaceous plant. Stem one or more often among several, erect, dense, with two longitudinal protruding ribs, green or reddish-brown, branched at the top. The leaves are opposite, sessile, elliptical, obtuse, with frequent dotted light, translucent receptacles and rare black glands. The flowers are golden yellow, numerous, collected in an almost thyroid inflorescence; petals are oblong-elliptical, on the plane with many light and in the form of thin strips of glands, and along the edges and on the top – black, in the form of points; stamens numerous, fused into 3 bundles. The fruit is a multi-seeded box with yellow longitudinal stripes and dashes. Blooms from June to August (I-VII). St. John’s wort grows in light deciduous forests, shrubs, upland meadows, fallow


In medicine, the herb St. John’s wort is used – Herba Hyperici. During the inflorescence, the upper parts of the stem with leaves and flowers are collected, dried in the shade. For pharmaceutical purposes, the tops of St. John’s wort up to 30 cm long are used. For the needs of the pharmaceutical industry, St. John’s wort grass is threshed after drying or the leaves and flowers are cut off, and the stems are discarded. The smell is weak, fragrant, the taste is slightly astringent, bitterish-resinous. Of the related species of St. John’s wort in upland habitats, St. John’s wort (or St. John’s wort tetrahedral) is not often found. It is often confused with St. John’s wort, from which it differs in the following features: The stem is hollow, tetrahedral, with clearly protruding 4 ribs. Leaves with rare translucent dots, sometimes the last ones are absent. Inflorescence paniculate, not frequent. Other species are rareImpurity determinant 1. Stem pubescent or bare – St. John’s wort (Hypericum hirsutum L.)2. The stem is tetrahedral or spotted – St. John’s wort (Hypericum maculatum Crantz.) 3. Stem with 2 ribs – St. John’s wort (Hypericum perforatum L.)

Contains active substances:

St. John’s wort contains 0.1-0.4% hypericin, flavonoids hyperoside, rutin and quercitrin, essential oil (0.2-0.3%), resinous substances, 10-12% tannins, carotene. The dye hypericin and the products of its biological synthesis (described under various names) have antibacterial activity; tannins are mostly condensed.

Medicinal use:

St. John’s wort preparations are used as antimicrobial and astringent agents. Assign inside with colitis, colds. The drug Imanin is used to treat wounds, burns of the 2nd and 3rd degree and ulcers, with abscesses, furunculosis, etc. St. John’s wort tincture is used in the treatment of gingivitis, stomatitis, as well as aphthae and thrush in babies. St. John’s wort grass does not have to contain impurities of other species. St. John’s wort as a medicinal herb is known to almost the entire population. It is believed that it helps with a variety of diseases and does not interfere with any set of medicinal herbs. It is used to make tea for drinking. Usually, finely cut grass is thrown into boiling water, covered and allowed to brew. They drink with gastric diseases (gastritis, stomach ulcers), dysentery, diarrhea, liver diseases, jaundice, nervous diseases, headaches, kidney diseases, inflammation of the bladder, pulmonary tuberculosis, uterine bleeding, anemia, hemorrhoids, cough, for appetite, blood is “added”, St. when breasts make compresses; used for bloody diarrhea; from pain in the abdomen, with chest diseases, consumption, scrofula, as a protective against infection, with bleeding, rheumatism, scabies, for drying up wounds.

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