Also Known As:
People Use This For:
Orally, buchu is used as a urinary tract disinfectant in cystitis, urethritis,
prostatitis, benign prostatic hyperplasia and kidney infections.
In manufacturing, the oil from buchu is used to give a fruit flavor (often black
currant) to foods.
No concerns regarding safety, available studies validate this statement, when
the leaf is used in amounts commonly found in foods. Buchu has Generally
Recognized As Safe status (GRAS) for use in foods in the US.1
No converns regarding safety when the leaf is used orally and appropriately in
Pregnancy and Lactation: Refer to a Medical Herbalist.
Not enough scientific information gathered to offer a comment
Mechanism of Action:
The applicable part of buchu is the leaf. Buchu camphor (also known as
diosphenol) is the principal constituent of the oil. Researchers believe this
constituent may be responsible for buchu's reported diuretic and antiseptic
Occasional digestive upset if taken on an empty stomach.R1 pp.311
Interactions with Herbs & Supplements:
Interactions with Drugs:
Lithium: Because of diuretic effect.R3 pp.163-164
Diuretics: Effect can be additive.R4 pp.192,204,215
Interactions with Foods:
Interactions with Lab Tests:
Interactions with Diseases or Conditions:
Surgery: Tell patients to discontinue buchu at least 2 weeks before elective
Oral: The typical dose is 1 cup of tea (steep 1 gram dry leaf in 150 mL boiling
water 5-10 minutes, strain) several times per day.5
Specific References: BUCHU
1. FDA. Center for Food Safety and Applied Nutrition, Office of Premarket Approval, EAFUS: A
food additive database. Available at: vm.cfsan.fda.gov/~dms/eafus.html.
2. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to
Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's
Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
4. Foster S, Tyler VE. Tyler's Honest Herbal: A Sensible Guide to the Use of Herbs and Related
Remedies. 3rd ed., Binghamton, NY: Haworth Herbal Press, 1993.
Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm
GmbH Scientific Publishers, 1994.
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