... allay fever, diminish inflammation, Salix alba (white willow; willow bark ) extract ,Ingredient: Salicin; Salicylic acid .Function: acesodyne,, allay fever, diminish inflammation ... bark is often in ethanol to produce a . The active extract of the bark, called , after the Latin name Salix, ... pure state. Salicin.The bark of the white willow tree is a source of salicin and other salicylates compounds which ...