St. John's wort is a plant with yellow, star-shaped flowers and five petals that grows in Europe, North and South America, Australia, New Zealand, and Eastern Asia. The plant grows in sunny, well-drained areas. It grows to be 50-100 cm tall.
St. John's wort is most commonly used for "the blues" or depression and symptoms that sometimes go along with mood such as nervousness, tiredness, poor appetite, and trouble sleeping. There is some strong scientific evidence that it is effective for mild to moderate depression.
St. John's wort is also used for symptoms of menopause such as hot flashes and mood changes.
An oil can be made from St. John's wort. Some people apply this oil to their skin to treat wounds. Applying St. John's wort directly to the skin is risky. It can cause serious sensitivity to sunlight.
The active ingredient, Hypericins, extracted from the St.John's wort, has significant anti-DNA and RNA viral effects, which can directly act on the viral DAN of avian influenza, swine fever and foot-and-mouth disease, interfering with the replication and reproduction of the virus and having a strong inhibitory effect on the virus.
Specifications
0.3%Hypericins UV
Function
Enhance animal immunity by induction of interferon generating
Againt DNA, RNA virus: can inhibit the spread of virus by interfering replication of Avian influenza virus, Swine fever virus, Foot-and-mouth disease virus.