Abstract
In the present study, the presence of the phloroglucinol derivative hyperforin, the naphthodianthrones hypericin and pseudohypericin, the phenylpropane chlorogenic acid and the flavonoids rutin, hyperoside, kaempferol, isoquercetine, quercitrine, and quercetine was investigated in Hypericum leptophyllum Hochst., an endemic Turkish species for the first time. The aerial parts representing a total of 30 individuals were collected at full flowering and dissected into floral, leaf, and stem tissues. After being dried at room temperature, the plant materials were assayed for secondary metabolite concentrations by HPLC. Aerial plant parts accumulated chlorogenic acid, hyperoside, isoquercetine, quercitrine, and quercetine, but they did not accumulate hyperforin, hypericin, pseudohypericin, rutin, and kaempferol. Accumulation levels of the detected compounds varied with plant tissues. Such kind of data could be useful for elucidation of the chemotaxonomical significance of the corresponding compounds and phytochemical evaluation of this endemic species.
Highlights
The genus Hypericum L. from the family of Hypericaceae comprises more than 450 species divided in 36 sections with worldwide distribution in warm temperate, subtropical, and mountainous tropical regions [1]
The presence of the phloroglucinol derivative hyperforin, the naphthodianthrones hypericin and pseudohypericin, the phenylpropane chlorogenic acid and the flavonoids rutin, hyperoside, kaempferol, isoquercetine, quercitrine, and quercetine was investigated in Hypericum leptophyllum Hochst., an endemic Turkish species for the first time
We observed that the aerial plant parts accumulated the phenylpropane chlorogenic acid and the several flavonoids, namely, hyperoside, isoquercetine, quercitrine, and quercetine
Summary
The genus Hypericum L. from the family of Hypericaceae comprises more than 450 species divided in 36 sections with worldwide distribution in warm temperate, subtropical, and mountainous tropical regions [1]. Turkey is an important centre of Hypericum species origin and distribution where presently there are 89 registered species of which 43 are endemic [4]. All species of Hypericum from Turkish flora have been traditionally used as sedatives, antiseptics, and antispasmodics in folk medicine under the names: kantaron, peygamber cicegi, kilicotu, kanotu, kuzukıran, and binbirdelik otu [5]. Which grows in dry stony or rocky calcareous zones of central Anatolia is one of the endemic species of Turkish flora. Leaves are 5–35 mm in size, oblong, or linear to elliptic. Yellow flowers are numerous without black dots, like the leaves. Capsules are 5–10 mm in diameter with dorsal vital and lateral vesicles [4]
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