1. Plant source: Common Fibraurea Stem Root P.E. 2. Product information 1) Product name: Palmatine 2) Chemical name: 2,3,9,10-Tetramethoxy-5,6-dihydro-isoquino[3,2-a]isoquinolinylium 3) Molecular Formula: C21H22NO4 4) Molecular Weight: 352.40 5) CAS No.: 3486-67-7 6) Spec: 98% (HPLC) 7) Appearance: Yellow crystalline powder. 8) Pharmacological effects: Anti- myocardial infarction, antiarrhythmic, antibiosis(StaPhylococcus aureus, Microsporum canis, Candida albicans, mycobacteria, E.coli, dysentery bacillus, Group B Streptococcus, asia influenza A virus, twelve mould).