All Aspects of Hypericum perforatum (St. John's Wort)

  • Hatice Savran
  • Onur Koyuncu
  • Ömer Koray Yaylacı
Keywords: Ethnobotany, Hypericum perforatum, St. John's Wort, Medicinal Plants, Turkey


The treatment of herbs as old as human history is still popular today. Humans consider plants to be safe because of their natural origin for therapeutic and protective purposes, and therefore prefer herbal products. Hypericum perforatum (St. John's Wort) is one of these traditionally used medicinal herbs. local as St. John'sWort in Turkey, Hypericum herb, blood grass, sword grass, wound Grass, Kuzukır and English known by St. John's Wort name Hypericum perforatum, including L. Hypericaceae families in Europe, Asia, many grown in North Africa and the USA perennial plants. There are up to 500 species in the world. Is an important center in terms of Hypericum species are endemic to our country in Turkey and 50% of the approximately 100 species. It grows naturally in Marmara, Black Sea, Aegean, Central Anatolia, Mediterranean and Southeastern Anatolia. The plant is perennial and has a fringe root system. The leaves are in full leaf form and are mutually arranged on the stem. There are transparent pores on the leaves that can be seen when exposed to light and make the leaf look full of holes. The name for perforatum at which means porous in Latin originates from these pores on the leaf. Plant content of naphthodianthorones (hyperisin, pseudohypericin, isohypericin), flovons (hyperocyte routine, quarsetol, quersitin, biflovanoit), essential oils (carophyllene, αpinene, sesquiterpenes), protein, tannin, carotene, vitamin C, resin, including at least 11 different classes of secondary metabolites. Dried or fresh flowering branches of Hypericum species are used in various ways in conventional treatment and in the treatment of many diseases. Among the people, tea, tincture and oil are used. In this study of biological Hypericum perforatum plants, pharmaceutical, medical, ethnobotany and evaluation it was made in Turkey and the world scale of the economic dimension. With this research, it has been once again revealed that our floristic richness, which is one of the important values of our country, and therefore the use of traditional plants are among our valuable values. Accordingly, we tried to contribute to our economic and cultural values.