White Willow Bark Extract/Salicin/Salix alba L Specification: Salicin 15%, 25%,50%,70% ,80%,98% Test Method: HPLC White Willow Bark Extract/Salicin/Salix alba ... as aspirin without any of the side effects. In fact, White Willow Bark was the basis for the synthesis of aspirin. History ... : 25kg/Fibre Drum, or at customer's requirements Storage: Store in a cool, dry place and keep away from direct strong ...