Author(s): S. K. Dubey, A. Batra

Email(s): skdpharma_cognosy@yahoo.co.in

DOI: Not Available

Address: S. K. Dubey*, A. Batra1
*Sanjeevan College of Pharmacy, Dausa (Raj.) India.
1Dept. of Botany, University of Rajasthan, Jaipur (Raj.) India.
* Corresponding Author

Published In:   Volume - 1,      Issue - 3,     Year - 2008


ABSTRACT:
The present study was carried out to evaluate acute and subacute toxicity of ethanolic fraction of Thuja occidentalis (EFTO). Acute toxicity of this extract was evaluated in Swiss albino mice. The animals were fed with EFTO between the doses of 1.0 to 20.0 g/kg body weight and were observed continuously for the first 4 h and for every hour for the next 24 h, then 6 hourly for 48 h. Wistar rats were also fed with different doses of EFTO for 30 days and effects on biochemical parameters evaluated (sub acute toxicity model). The LD50 of EFTO was found to be above 20.0 g/Kg body weight. There was reduction in the plasma glucose and low-density lipoprotein (LDL)-cholesterol levels, and increase in high-density lipoprotein (HDL)-cholesterol level in the treated animals. A significant increase in the body weight was observed for groups treated with lower doses of EFTO while groups treat with higher doses showed no significant weight increase. Aspartate aminotransferases (AST) and alanine amino transferases (ALT) levels were not affected at lower doses of EFTO but there was increase in creatinine levels in all the treated animals. The extract demonstrated good hypoglycaemic effects by lowering the plasma sugar level and also had some beneficial and reduction effects on cardiovascular risk factors. There was no evidence of drug-induced symptoms or death at all the doses of EFTO administered in acute study but subacute results revealed a tendency to cause kidney problems on a long-term use.


Cite this article:
S. K. Dubey, A. Batra. Acute and sub acute toxicity studies on ethanolic fraction of Thuja occidentalis Linn. Research J. Pharm. and Tech. 1(3): July-Sept. 2008; Page 245-248.


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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