English name: St John's wort PE 
 Plant Source: This Garcinia Hypericum perforatum plants or whole plant whole plant with roots. 
 Product Character: Black brown liquid powder. 
 Specifications: 0.3% 
 Active ingredient: Hypericin 
 Pharmacological effects: Hypericum perforatum extract the active ingredient in hypericin to treat patients with moderate depression, but few adverse side effects, antitussive, analgesic, hepatoprotective effect. 
 1: hypericin in vivo, in vitro the role of both anti-retroviral. 
 2: inhibition of central nervous system and sedation, as a central nervous system depressants and antidepressant. 
 3: Hypericum perforatum extract the active ingredient hypericin has significant anti-DNA, RNA effects of the virus, can directly act on the avian flu, swine fever, foot and mouth disease virus DAN, interfere with the viral replication, virus propagation and strong inhibition