Latest papers

Successful isolation and PCR amplification of DNA from National Institute of Standards and Technology herbal dietary supplement standard reference material powders and extracts.

Chitosan enhances xanthone production in Hypericum perforatum subsp. angustifolium cell cultures.

St. John's wort may improve some symptoms of attention-deficit hyperactivity disorder.

Chemical composition and antimicrobial activity of the essential oils from several Hypericum taxa (Guttiferae) growing in central Italy (Appennino Umbro-Marchigiano).

Clinical pharmacology and dietary supplements: an evolving relationship.

Effects of Hypericum Perforatum, in a rodent model of periodontitis.

Effects of antidepressive treatment of Saint John's wort extract related to autonomic nervous function in women with irritable bowel syndrome.

Synthesis of (+/-)-6-O-methyl and 7-demethylannulatomarin.

A hypericum extract in the treatment of depressive symptoms in outpatients: an open study.

Effect of the number of rol genes integrations on phenotypic variation in hairy root-derived Hypericum perforatum L. plants.

St John’s Wort ( Hypericum perforatum ) in Major Depression

In vitro anti-neoplastic activity of the ethno-pharmaceutical plant Hypericum adenotrichum Spach endemic to Western Turkey.

Acylphloroglucinol, biyouyanagiol, biyouyanagin B, and related spiro-lactones from Hypericum chinense.

Effect of St John's wort on the disposition of fexofenadine in the isolated perfused rat liver.

Hypericum perforatum extracts healed gastric lesions induced by hypothermic restraint stress in Wistar rats.

[Ligans from branch of Hypericum petiolulatum].

[Content of rare earth elements in wild Hypericum japonicum Thunb].

Associations of Herbal and Specialty Supplements with Lung and Colorectal Cancer Risk in the VITamins And Lifestyle Study

Rapid and efficient purification of naphthodianthrones from St. John's wort extract by using liquid-liquid extraction and SEC.

[Dietary supplements: watch for interactions!]