Single-and repeated-dose oral toxicity in rats and bacterial reverse mutation test of Morus alba L. Extracts
- Authors
- Han, T.; Um, M.Y.; Lim, Y.H.; Kim, J.-K.; Kim, I.-H.
- Issue Date
- 2016
- Publisher
- Korean Society of Food Science and Nutrition
- Keywords
- Morus alba ethanol extracts; Mutagenic toxicity; Repeated-dose toxicity; Single-dose toxicity
- Citation
- Journal of the Korean Society of Food Science and Nutrition, v.45, no.10, pp.1406 - 1413
- Indexed
- SCOPUS
KCI
- Journal Title
- Journal of the Korean Society of Food Science and Nutrition
- Volume
- 45
- Number
- 10
- Start Page
- 1406
- End Page
- 1413
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/91405
- DOI
- 10.3746/jkfn.2016.45.10.1406
- ISSN
- 1226-3311
- Abstract
- This study was carried out to evaluate the toxicity of ethanolic extracts of Morus alba L. branch (ME). In the reverse mutation test, Salmonella Typhimurium TA98, TA100, TA1535, TA1357, and Escherichia coli WP2uvrA were used to estimate the mutagenic potential of ME. Sprague-Dawley rats were orally administered ME at levels of 1,250, 2,500, and 5,000 mg/kg for the single-dose toxicity test and 500, 1,000, and 2,000 mg/kg/d for the repeated-dose toxicity test for 28 consecutive days. As expected, reverse mutation was not detected at any concentration of ME, regardless of application of the metabolic activation system with or without S9 mix. In the single-dose toxicity test, ME caused neither significant visible signs of toxicity nor mortality in rats, and LD50 was estimated to be over 5,000 mg/kg. In the repeated-dose toxicity test, ME administration at 500, 1,000, and 2,000 mg/kg for 28 days to male or female rats did not result in mortality. Similarly, no toxicologically significant treatment-related changes in body weight, food intake, or organ weights were noted. Several hematological and biochemical parameters in both genders showed significant differences, but these were within normal ranges. These results support the safe use of ME. © 2013 by The Korean Society of Food Science and Nutrition. All rights reserved.
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