Molecular Formula: C13H18O7 Molecular Mass: 286.29 White willow extract CAS No.: 138-52-3

Because white willow bark contains salicylates, the same precautions as aspirin should be taken until research has shown otherwise. The following people should not take white willow bark:

People with an aspirin allergy or sensitivity. There has been a published report of a 25 year old woman who was admitted to emergency with anaphylaxis after taking 2 capsules of a weight loss supplement that contained willow bark. The patient had a history of allergy to acetylsalicylic acid. No other possible causes for anaphylaxis were identified in that patient.People with peptic ulcer disease or kidney disease.The herbs ginkgo, vitamin E, and garlic may increase the risk of bleeding if combined with white willow.People with hyperuricemia, gout, and asthma. Children and teenagers, especially with flu-like symptoms, chicken pox, or Reye's syndrome.Pregnant or nursing women.

White willow bark should be avoided two weeks before or after surgery.

SALICIN 99%BY HPLC