期刊
INTERNATIONAL JOURNAL OF TOXICOLOGY
卷 31, 期 1, 页码 34-45出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1091581811425195
关键词
Saccharomyces cerevisiae; EpiCor; yeast fermentate; safety assessment; genotoxicity studies; acute; subchronic; and chronic toxicity studies; NOAEL
资金
- Embria Health Sciences, LLC
A safety evaluation was performed for EpiCor, a product produced by a proprietary fermentation process using Saccharomyces cerevisiae. Studies included the following assays: bacterial reverse mutation, mouse lymphoma cell mutagenicity, mitogenicity assay in human peripheral lymphocytes, and a cytochrome P450 ([CYP] CYP1A2 and CYP3A4) induction assessment as well as 14-day acute, 90-day subchronic, and 1-year chronic oral toxicity studies in rats. No evidence of genotoxicity or mitogenicity was seen in any of the in vitro or in vivo studies. The CYP assessment showed no interactions or inductions. No toxic clinical symptoms or histopathological lesions were observed in the acute, subchronic, or chronic oral toxicity studies in the rat. Results of the studies performed indicate that EpiCor does not possess genotoxic activity and has a low order of toxicity that is well tolerated when administered orally. The no observable adverse effect level (NOAEL) was 1500 mg/kg body weight (bw)/d for the 90-day study and 800 mg/kg bw/d for the 1 year study, for the highest doses tested.
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