background & aim: st john's wort (hypericum perforatum l.) contains hypericin and hyperforin as the main components of the extract that binds with gaba and sigma opioid receptors. this herb has many pharmacological effects, including analgesic, sedative, soothing, antispasmodic, anticonvulsant, anti-depressant, and anti-bacteria. in this study examined the effect of two concentrations of hy...

Background & Aim: St John's wort (Hypericum perforatum L.) contains hypericin and hyperforin as the main components of the extract that binds with GABA and sigma opioid receptors. This herb has many pharmacological effects, including analgesic, sedative, soothing, antispasmodic, anticonvulsant, anti-depressant, and anti-bacteria. In this study examined the effect of two concentrations of Hyperi...

Background & Aim: St John's wort (Hypericum perforatum L.) contains hypericin and hyperforin as the main components of the extract that binds with GABA and sigma opioid receptors. This herb has many pharmacological effects, including analgesic, sedative, soothing, antispasmodic, anticonvulsant, anti-depressant, and anti-bacteria. In this study examined the effect of two concentrations of Hyperi...

Objectives. There are approximately 400 Hypericum species that grow naturally in different geographic origins of the world. Those species have been used in different folk medicines and screened for their biological activity including cancer. Our country is an important place for Hypericum species which are known as “kantaron, binbirdelik otu, kan otu, kılıç otu, yaraotu, kuzukıran”. We therefor...

AIM Effects of homeopathic treatment with Hypericum perforatum (Hypericum) on peripheral nerve regeneration was studied using a rat sciatic nerve transection model. METHODS Fifty-four male healthy White Wistar rats were divided into three experimental groups (n = 18), randomly: Sham-operation (Sham), control: silicon tube (Sil) and treatment: silicon tube + Hypericum (Sil/Hypericum). In the S...

The overall purpose of this study was to investigate Neurostan Saint John’s Wort (SJW) on the disposition of fexofinadine in the isolated perfused rat liver. SpragueDawley (SD) rats (n = 16) randomized into 3 groups, including: control, low dose (Hypericum, one type of neutostan) and high dose group. Each animal among these groups was pre-treated with either vehicle (ethanol in Milli Q water at...

Hypericum perforatum is known to have diverse medicinal uses for centuries. The antidepressant activity of Hypericum perforatum is widely accepted and proved in both animal and clinical studies. Present study was undertaken to investigate the effect of Hypericum perforatum in a battery of animal models for metabolic disorder. Hypericum is tested for hypolipidemic activity in normal rats, antiob...

MAIN RESULTS Thirty five published RCTs met criteria for inclusion in the review (24 trials comparing hypericum extracts with placebo, seven comparing hypericum extracts with older antidepressants, and six comparing hypericum with selective serotonin reuptake inhibitors (SSRIs)). Compared with placebo, hypericum resulted in similar numbers of dropouts due to adverse effects (24 RCTs, 8/1334 (0....

BACKGROUND Extracts of Hypericum perforatum (St John's wort) are widely used to treat depression. Evidence for its efficacy has been criticised on methodological grounds. AIMS To update evidence from randomised trials regarding the effectiveness of Hypericum extracts. METHODS We performed a systematic review and meta-analysis of 37 double-blind randomised controlled trials that compared cli...