Salix Species Bark Dry Extract

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DEFINITION

Salix Species Bark Dry Extract is prepared from Salix Species Bark by extraction with hydroalcoholic, aqueous, or other suitable solvents. It contains NLT 90.0% and NMT 110.0% of the labeled amount of salicylates, calculated as salicin (C₁₃H₁₈O₇) on the anhydrous basis. The ratio of starting plant material to extract is between 5:1 and 20:1. It may contain suitable added substances.

USP REFERENCE STANDARDS FOR PURCHASE

USP Salicin RS
USP Salix Species Bark Dry Extract RS

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