Bean Choi, Róbert Glávits, Timothy S. Murbach, John R. Endres, Gábor Hirka, Ilona Pasics Szakonyiné
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90-day oral toxicity study in rats of a protein-rich powder derived from Xanthobacter sp. SoF1
Xanthobacter sp. SoF1 (SoF1) is an autotrophic hydrogen-oxidizing bacteria that produces protein-rich biomass and has potential to be an alternative protein source that is more environmentally sustainable than animal and plant derived proteins. A protein-rich powder derived from SoF1 was the test material in a 90-day repeated-dose oral toxicity study to explore major toxic effects, demonstrate target organs, and provide an estimate of a no-observed-adverse-effect level (NOAEL). Daily doses of 0 (vehicle only), 375, 750, and 1500 mg/kg bw/day of the test material were administered by gavage to 10 Han:WIST rats/sex/group. An additional group was administered 1290 mg/kg bw/day whey protein concentrate as positive control. No treatment-related adverse effects were observed, and no target organs were determined after 90/91 days of consecutive administration of the test item. A NOAEL of 1500 mg/kg bw/day was determined.
期刊介绍：
Journal of Applied Toxicology publishes peer-reviewed original reviews and hypothesis-driven research articles on mechanistic, fundamental and applied research relating to the toxicity of drugs and chemicals at the molecular, cellular, tissue, target organ and whole body level in vivo (by all relevant routes of exposure) and in vitro / ex vivo. All aspects of toxicology are covered (including but not limited to nanotoxicology, genomics and proteomics, teratogenesis, carcinogenesis, mutagenesis, reproductive and endocrine toxicology, toxicopathology, target organ toxicity, systems toxicity (eg immunotoxicity), neurobehavioral toxicology, mechanistic studies, biochemical and molecular toxicology, novel biomarkers, pharmacokinetics/PBPK, risk assessment and environmental health studies) and emphasis is given to papers of clear application to human health, and/or advance mechanistic understanding and/or provide significant contributions and impact to their field.
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