【Name】White Willow Bark P.E
【Latin Name】Salix alba L.
【Source】Any of various white willow branches and leaves of suoicacae plants, having springtime catkin and deciduous arbor, originally native to middle and southern part of Europe and are mainly distributed in North Africa and Asia. White willow is as tall as 25 meters with grey bark and deep crack..  

    
        
【Used Part】Branches and leaves
【Active Ingredient】Salicin
【CAS  No.】138-52-3
【Specification】≥25% （HPLC）
【Physical and Chemical properties】
    Appearance：yellow brown power
    Molecular formula: C13H18O7
    Structure：

    
                    
【Function】Anti-inflammation, pain relief, fever relief, anti-rheumatism and function of constringency
【Usage】Medicine
【Shelf Life】2 years
【Storage】Protect from light. Store in cool and dry places.
【Package】25Kg/drum