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http://dx.doi.org/10.3746/jkfn.2007.36.8.960

Single-Dose Oral Toxicity in Rat and Bacterial Reverse Mutation Assay of Psoralea corylifolia L. Extracts  

Kim, Sun-A (Food Function Research Division, Korea Food Research Institute)
Lim, Sun-Hye (Food Function Research Division, Korea Food Research Institute)
Ahn, Ji-Yun (Food Function Research Division, Korea Food Research Institute)
Kim, Sung-Ran (Food Function Research Division, Korea Food Research Institute)
Ha, Tae-Youl (Food Function Research Division, Korea Food Research Institute)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.36, no.8, 2007 , pp. 960-964 More about this Journal
Abstract
This study was performed to examine the toxicity of Psoralea corylifolia L. by the single-dose oral toxicity tests in rat and bacterial reverse mutation assay. In single-dose oral toxicity tests, 5 mL ethanol extract of P. corylifolia L. were directly injected into 10 rats (5 males and 5 females) at a dosage of 2 g/kg. Death practice was not detected during breeding periods (14 days), and $LD_{50}$ was calculated over 2 g/kg. No difference were observed with control group in the growth rate and histological observations. In bacterial reverse mutation assay, his(-) Salmonella Typhimurium TA98, TA100, TA1535, TA1537 and trp(-) Escherichia coli WP2uvrA (pKM101) were used for assessing the toxicity of ethanol extracts of P. corylifolia L.. No significant difference in formation of the colonies and no dose-dependent increase was observed regardless of the addition of S9 mix. The results showed that ethanol extracts of P. corylifolia L. did not have single-dose oral toxicity and mutagenic toxicity.
Keywords
Psoralea corylifolia L.; single-dose oral toxicity; bacterial reverse mutation assay; Salmonella Typhimurium;
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