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The Evaluation of the Single-Dose Toxicity and Safety of 4-Carvomenthenol in ICR Mice

  • Yigun Lim (Department of Acupuncture and Moxibustion Medicine, Woosuk University Hospital of Korean Medicine) ;
  • Jihoon Kong (Department of Acupuncture and Moxibustion Medicine, Woosuk University Hospital of Korean Medicine) ;
  • Jiwon Lee (Department of Korean Medicine Rehabilitation, Woosuk University Hospital of Korean Medicine) ;
  • Gabsik Yang (Department of Pharmacology, College of Korean Medicine, Woosuk University) ;
  • Taehan Yook (Department of Acupuncture and Moxibustion Medicine, Woosuk University Hospital of Korean Medicine)
  • Received : 2023.07.24
  • Accepted : 2023.08.23
  • Published : 2023.11.30

Abstract

Background: 4-carvomenthenol[4-methyl-1-(1-methylethyl)-3-cyclohexen-1-ol] is a main component of Origanum vulgare L., Zanthoxylum piperitum (L.) DC., and other plants. It has been reported to exhibit anti-inflammatory, antibacterial, and anti-tumor effects. Furthermore, it is necessary to conduct a toxicity test on 4-carvomenthenol to ensure its safety. Methods: This study included 5-week-old Institute of Cancer Research mice that were categorized into 3 treatment groups (12, 25, and 50 mg/kg 4-carvomenthenol dose levels) and a control group (10% dimethyl sulfoxide, 40% polyethylene glycol 300, 5% Tween 80, and 45% normal saline injection of the final volume), with 5 male mice and 5 female mice per group. All groups were observed for clinical symptoms and body weight in a period of 14 days and were subjected to gross necropsy after euthanasia. Results: No deaths were recorded. No test substance-related clinical signs in the female mice of the 12 mg/kg dose group were observed. Abnormal gait was observed in 1 male from day 1 to day 3 in the 12 mg/kg dose group; 1-3 males from day 1 to day 7 and 1-5 females from day 1 to day 15 in the 25 mg/kg dose group; and 2-5 males and 2-5 females from day 1 to day 15 in the 50 mg/kg dose group. No test substance-related effect on the body weight and necropsy findings was observed. Conclusion: The results of this study suggested that the lethal dose of 4-carvomenthenol could be greater than 50 mg/kg. However, further research is needed, especially repeated-dose toxicity studies, to confirm the efficacy and safety of 4-carvomenthenol.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (No. NRF-2023R1A2C2005333).

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