Sassafras in therapeutics

DEFINITION: Natural plant product used to treat specific health conditions.

PRINCIPAL PROPOSED USES: The use of sassafras in any form is not recommended, although it has been used for pain relief, as an anti-inflammatory, as a diuretic, and for skin conditions.

Overview

The sassafras tree, a native of North America, has a long history of use as both flavoring and medicine. The oil extracted from its root was one of the original constituents of herbal root beer. As medicine, it was used to treat influenza and other fever-producing infections, arthritis, urinary tract infections, and digestive disorders. It was also commonly used as a “spring tonic” or “blood purifier.”

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However, in the 1960s, sassafras oil was discovered to contain high levels of a liver toxin called safrole. When given to animals, safrole causes liver cancer, and even a single cup of sassafras tea contains dangerous levels of the substance. Because of this, sassafras has been banned for human consumption. Only safrole-free products containing sassafras can be sold; however, there may be other carcinogens in sassafras aside from safrole. Sassafras oil is also immediately toxic; a few drops can kill an infant, and a teaspoon can cause death in an adult. Still, sassafras has many defenders in the complementary and alternative medicine community, and those supporters refute the cancer claims and claim health benefits to drinking sassafras, most often in tea form. Those who support using sassafras for health benefits espouse its usefulness in treating conditions like arthritis and gout due to its anti-inflammatory and pain-relieving properties. Traditionally, sassafras was also used as a diuretic, which could aid with high blood pressure and fluid retention.

Bibliography

Ajmera, Rachael. "Sassafras Tea: Health Benefits and Side Effects." Healthline, 3 May 2019, www.healthline.com/nutrition/sassafras-tea-benefits. Accessed 18 Sept. 2024.

Foster, S., and V. E. Tyler. "Sassafras." Tyler’s Honest Herbal: A Sensible Guide to the Use of Herbs and Related Remedies. 4th ed., New York: Haworth Herbal Press, 1999.

Newall, C. A., et al. Herbal Medicines: A Guide for Health-Care Professionals. London: Pharmaceutical Press, 1996.

"Sassafras." Memorial Sloan Kettering Cancer Center, 20 June 2023, www.mskcc.org/cancer-care/integrative-medicine/herbs/sassafras. Accessed 18 Sept. 2024.

"Sassafras – Health Information Library." PeaceHealth, 14 Apr. 2014, www.peacehealth.org/medical-topics/id/hn-3661007. Accessed 18 Sept. 2024.

"Sassafras: Indigenous Peoples' Perspective Project." Adkins Arboretum, www.adkinsarboretum.org/programs‗events/ipp/sassafras.html. Accessed 18 Sept. 2024.

Tan, D., et al. "Both Physiological and Pharmacological Levels of Melatonin Reduce DNA Adduct Formation Induced by the Carcinogen Safrole." Carcinogenesis, vol. 15, 1994, pp. 215-218.