Safety confirmation study: Tarragon. - GreenMedInfo Summary

Abstract Title:

Toxicological evaluation of the ethanolic extract of Artemisia dracunculus L. for use as a dietary supplement and in functional foods.

Abstract Source:

Radiother Oncol. 2010 Oct;97(1):92-4. Epub 2010 Mar 11. PMID: 15019182

Abstract Author(s):

David M Ribnicky, Alexander Poulev, Joseph O'Neal, Gary Wnorowski, Dolores E Malek, Ralf Jäger, Ilya Raskin

Article Affiliation:

Biotech Center, Cook College, Rutgers University, 59 Dudley Road, New Brunswick, NJ 08901-8520, USA.


TARRALIN is an ethanolic extract of Artemisia dracunculus (Russian tarragon), a common medicinal and culinary herb with centuries of use. Artemisia dracunculus is a close relative of the French or cooking tarragon and contains components common to many herbs that are routinely consumed without reported adverse effects. Since safety information of Artemisia dracunculus and its extract is limited to historical use, TARRALIN was examined in a series of toxicological studies. Complete Ames analysis did not reveal any mutagenic activity either with or without metabolic activation. TARRALIN was tested in an acute limit test at 5000 mg/kg with no signs of toxicity noted. In a 14 day repeated dose oral toxicity study, rats appeared to well tolerate 1000 mg/kg/day. Subsequently, TARRALIN was tested in an oral subchronic 90-day toxicity study (rat) at doses of 10, 100 and 1000 mg/kg/day. No noteworthy signs of toxicity were noted in feeding or body weight, functional observational battery or motor activity. Gross necropsy and clinical chemistry did not reveal any effects on organ mass or blood chemistry and microscopic examinations found no lesions associated with treatment. Therefore, TARRALIN appears to be safe and non-toxic in these studies and a no-observed adverse effect level in rats is established at 1000 mg/kg/day.

Study Type : Animal Study
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