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KMID : 0363620140350020028
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Journal of Korean Oriental Medicine
2014 Volume.35 No. 2 p.28 ~ p.33
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Single Oral Dose Toxicity Evaluation of Samul-tang, a Traditional Herbal Formula, in Crl:CD (SD) Rats
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Yoo Sae-Rom
Jeong Soo-Jin
Shin Hyeun-Kyoo
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Abstract
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Background: Samul-tang (Si-Wu-Tang, SMT) is a traditional herbal formula, which has been widely used to treat various diseases such as menstrual irregularity, bleeding and leucorrhea. Although many studies have investigated the pharmacological properties of SMT, its toxicity information has not yet been fully elucidated.
Methods: Five Sprague Dawley (SD) rats of each sex were given a single dose (5000 mg/kg) of SMT by gavage; control rats received the vehicle only. After the single administration, mortality, clinical signs, body weight changes and gross findings were monitored for 15 days in accordance with Good Laboratory Practice (GLP) principles.
Results: In a single oral dose toxicity study, there was no adverse effect on mortality, clinical sign, body weight change or gross finding in any treatment group.
Conclusions: The results indicate that SMT did not induce toxic effects at a dose level up to 5000 mg/kg in rats and its median lethal dose (LD50) was considered to be over 5000 mg/kg/day body weight for both genders.
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KEYWORD
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Samul-tang, acute-toxicity, Sprague Dawley rat, Good Laboratory Practice
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