In the present study, we investigated the variation in the content of naphthodianthrones hypericin and pseudohypericin, phloroglucinol derivatives hyperforin and adhyperforin, the phenolic acids as chlorogenic acid, neochlorogenic acid, 2,4-dihydroxybenzoic acid, and the flavonols, namely, hyperoside, isoquercitrin, quercitrin, quercetin, avicularin, rutin, (+)-catechin and (-)-epicatechin, and...

with the tremendous expansion in the use of herbal medicine worldwide, safety and efficacy as well as quality control of herbal medicine have become important concerns for both health authority and public. in this paper, the analysis of two st. john's wort (hypericum perforatum) products and four liquorice (glycyrrhiza glabra) products by spectrophotometric and hplc methods, is explained. moreo...

The intention of this research is qualitative and quantitative study of Hypericum perforatum's products. The main use of this plant is for treatment of depression. Furthermore, it has anti-inflammatory, antispasmodic, antivirus, sedative and anti-migraine activities. Hypericin, which is one of the effective compounds of this plant, has antidepressant effect and it has been evaluated in this res...

The intention of this research is qualitative and quantitative study of Hypericum perforatum's products. The main use of this plant is for treatment of depression. Furthermore, it has anti-inflammatory, antispasmodic, antivirus, sedative and anti-migraine activities. Hypericin, which is one of the effective compounds of this plant, has antidepressant effect and it has been evaluated in this res...

Hypericins, hyperforin and flavonoids are discussed as the main components contributing to the antidepressant action of St. John's wort (Hypericum perforatum). Therefore, the objective of the two open phase I clinical trials was to obtain pharmacokinetic data of these constituents from a hypericum extract containing tablet: hypericin, pseudohypericin, hyperforin, the flavonoid aglycone querceti...