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Abstract Title:

Antihyperglycemic activity of Tarralin, an ethanolic extract of Artemisia dracunculus L.

Abstract Source:

Phytomedicine. 2006 Sep;13(8):550-7. Epub 2005 Nov 2. PMID: 16920509

Abstract Author(s):

D M Ribnicky, A Poulev, M Watford, W T Cefalu, I Raskin

Article Affiliation:

Biotech Center, Cook College, Rutgers University, 59 Dudley Road, New Brunswick, NJ 08901-8520, USA. ribnicky@aesop.rutgers.edu

Abstract:

The studies reported here were undertaken to examine the antihyperglycemic activity of an ethanolic extract of Artemisia dracunculus L., called Tarralin in diabetic and non-diabetic animals. In genetically diabetic KK-A(gamma) mice, Tarralin treatment by gavage (500 mg/kg body wt./day for 7 days) lowered elevated blood glucose levels by 24% from 479+/-25 to 352+/-16 mg/dl relative to control animals. In comparison, treatment with the known antidiabetic drugs, troglitazone (30 mg/kg body wt./day) and metformin (300 mg/kg body wt./day), decreased blood glucose concentrations by 28% and 41%, respectively. Blood insulin concentrations were reduced in the KK-A(gamma) mice by 33% with Tarralin, 48% with troglitazone and 52% with metformin. In (STZ)-induced diabetic mice, Tarralin treatment, (500 mg/kg body wt./day for 7 days), also significantly lowered blood glucose concentrations, by 20%, from 429+/-41 to 376+/-58 mg/dl relative to control. As a possible mechanism, Tarralin was shown to significantly decrease phosphoenolpyruvate carboxykinase (PEPCK) mRNA expression by 28% in STZ-induced diabetic rats. In non-diabetic animals, treatment with Tarralin did not significantly alter PEPCK expression, blood glucose or insulin concentrations. The extract was also shown to increase the binding of glucagon-like peptide (GLP-1) to its receptor in vitro. These results indicate that Tarralin has antihyperglycemic activity and a potential role in the management of diabetic states.

Study Type : Animal Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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