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Botanical name:Hypericum Perforatum L. 
Part of plant used:Herb with flower 
Active Ingredient:Hypericin and Pseudohypericin 
Specification: 
1) Total Hypericins 0.3%, 0.4%, 0.6% tested by UV; 
2) Hypericin + Pseudohypericin 0.2%, 0.3% tested by HPLC
Product Description: 
St. John's Wort Extract (Hypericum Perforatum Extract) is Dark brown powder, with characteristic odor, Bitter, soluble in water. It has anthracene ketones, such as Hypericin, Pseudohypericin , Protohypericin, Protopseudohypericin, Cyclopseudoyhypericin, Isohypericin, Emodin-anthrone etc; Flavonoid such as Kampferol Luteolin Myricetin Quercetin quercitrin isoquercitrin etc. and and other Hyperforin Adhyperforin etc. We only use food grade ethanol as extraction solvent; the PH can be controlled below 7. It is safe to use.
Function: St. Johns Wort Extract (Hypericum Perforatum extract) is a secure nerval nutrilite, It has always been used for mild to moderate depression. Scientific studies of the herb s est that it acts to increase the activity and prolong the action of the neurotransmitters serotonin and noradrenaline, in a similar manner to standard antidepressants, but with fewer reported side effects
It is most biologically active substances with a wide range of anti-virus, anti-asthmatic cough, anti-inflammatory anti-bacterial, anti-fever, bleeding convergence of function, improving the body's immune system; it is the first choice drug to treat bird flu.
Application: Pharmaceutical Industry Health Care Product Feed and Feed additive