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Pharm Biol. 2010 Jan;48(1):101-4. doi: 10.3109/13880200903046203.

Toxicity study of Vernonia cinerea.

Author information

1
School of Biological Sciences, University Science of Malaysia, Minden, Penang, Malaysia.

Abstract

The methanol extract of Vernonia cinerea Less (Asteraceae), which exhibited antimicrobial activity, was tested for toxicity. In an acute toxicity study using mice, the median lethal dose (LD(50)) of the extract was greater than 2000 mg/kg, and we found no pathological changes in macroscopic examination by necropsy of mice treated with extract. As well as the oral acute toxicity study, the brine shrimp lethality test was also done. Brine shrimp test LC(50) values were 3.87 mg/mL (6 h) and 2.72 mg/mL (24 h), exhibiting no significant toxicity result. In conclusion, the methanol extract of V. cinerea did not produce toxic effects in mice and brine shrimp.

PMID:
20645763
DOI:
10.3109/13880200903046203
[Indexed for MEDLINE]

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