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Common name: Yellow gentian Botanical name: Gentiana lutea 
© Steven Foster Parts used and where grownGentian originally comes from meadows in Europe and Turkey. However, it is now also cultivated in North America. The root is used in herbal medicine. Gentian has been used in connection with the following conditions (refer to the individual health concern for complete information):
 Historical or traditional use (may or may not be supported by scientific studies)Gentian root and other highly bitter plants have been used for centuries by herbalists in Europe as digestive aids (the well-known Swedish bitters often contain gentian). Other folk uses included topical application on skin tumours, decreasing fevers, and treatment of diarrhoea.1 Active constituents: Gentian contains bitter substances such as the glycosides gentiopicrin and amarogentin. The bitter taste of these can be detected even when diluted 50,000 times.2 Besides stimulating secretion of saliva in the mouth and hydrochloric acid in the stomach, gentiopicrin may protect the liver.3 Gentian is used to treat poor appetite and indigestion.4 An open study shows that gentian tincture inhibits the feeling of fullness after eating, suggesting it could improve poor appetite.5 How much is usually taken?Tincture can be taken 20 minutes before each meal, for a total of 1/4–1/2 teaspoon (1–3 ml) daily. Alternatively, whole root, 1/2–3/4 teaspoon (2–4 grams) per day, can be used. Since capsules of the herb bypass the taste buds, they may not have the same effect as other dosage methods. Are there any side effects or interactions?Gentian should not be used by people suffering from excessive stomach acid, heartburn, peptic ulcer disease, or gastritis.6 At the time of writing, there were no well-known drug interactions with gentian. References (To view, roll mouse over heading; to hide, click on heading) 1. Duke JA. CRC Handbook of Medicinal Herbs. Boca Raton, FL: CRC Press, 1985, 207–8. 2. Weiss RF. Herbal Medicine. Gothenburg, Sweden: Ab Arcanum, 1988, 40–2. 3. Kondo Y, Takano F, Hojo H. Suppression of chemically and immunologically induced hepatic injuries by gentiopicroside in mice. Planta Med 1994;60:414–6. 4. Schulz V, Hänsel R, Tyler VE. Rational Phytotherapy: A Physician’s Guide to Herbal Medicine, 3rd ed. Berlin: Springer, 1988, 171. 5. Goetzl FR. Bitter tonics. I. Influence upon olfactory acuity and appetite. Drug Standards 1956;24:101–10. 6. Blumenthal M, Busse WR, Goldberg A, et al. (eds). The Complete Commission E Monographs: Therapeutic Guide to Herbal Medicines. Boston, MA: Integrative Medicine Communications, 1998, 135. 
Copyright © 2006 Healthnotes, Inc. All rights reserved. www.healthnotes.com Learn more about Healthnotes, the company. Learn more about the authors of Healthnotes. The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or chemist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires March 2007. |
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Reliable
and relatively consistent scientific data showing a substantial health benefit.
Contradictory, insufficient, or preliminary studies
suggesting a health benefit or minimal health benefit.
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