Place of Origin : Wuxi,China

Butterbur Extract
15% min Petasin, isopetasin,petasol,(free pyrrolizidine alkaloids) Anti-histamine,anaphylaxis,prevent migraines,C20H28O3.CAS:26577-85-5
Action: Petasin is responsible for the antispasmodic properties of the plant by reducing spasms in smooth muscle and vascular walls, in addition to providing an anti-inlammatory effect by inhibiting leukotriene synthesiDs. Petasin has also been found to be treat migraine headache,asthma,and bronchitis.
Butterbur has also been used for cou