Product name: White willow extract Latin name: Salix alba L. Specification: Salicin 10-98% Part of used: Bark Appearance: White to to yellow powder Odor: Characteristic odor and bitter taste. Solubility: Easily soluble in water.slightly soluble in methanol,ethanol, ethyl acetate,can not soluble in and petroleum ehter . Test Method:HPLC CAS No: 138-52-3 Ingredients: salicin Molecular formula : C13H18O7 Molecular weight : 286.28 Properties: 197-200 ° C melting point. Specific rotation -61.5 ° (c = 5, and water). Soluble 36 g / L (15℃), 250 g / L (60℃). Salicin is an alcoholic β-glycoside that contains D-glucose. Salicin is an anti-inflammatory agent that is produced from willow bark. Salicin is closely related in chemical make-up to aspirin and has a very similar action in the human body although it is considered better than aspirin as it has a higher bioavailability and it does not cause gastric bleeding . When consumed, it is metabolized to salicylic acid. Salicin elicits bitterness like quinine, when consumed. Packing: by 25kkgs/cardboard drum, inner with double plastic bags, also customized. Storage Situation: Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat Shelf Life: Two years when properly stored