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KMID : 0861120110150010037
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Korean Journal of Oriental Preventive Medicine
2011 Volume.15 No. 1 p.37 ~ p.47
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Simultaneous determination and acute toxicity study of Fructus mume extracts in ICR mice
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Lee In-Sun
Han Chang-Hyun
Lee Chul
Hwang Bang-Yeon
Jung Sang-Hyeok
Lee Young-Joon
Jeon Won-Kyung
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Abstract
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Objectives: Previous studies have shown that Fructus mume (FM) has anti-platelet effects. The present study was performed to determine the acute oral toxicity and quality control of a crude extract of FM in ICR mice.
Methods: We investigated the in vivo single dose acute toxicity of FM 95% ethanol extract. This test was orally administered once by gavage to 20 male and 20 female mice at dose levels of 0 (control group), 1250, 2500 and 5000mg/kg body weight, respectively. Mortalities, clinical findings, autopsy findings and body weight changes were monitored daily for the 14 days following the administration. HPLC analysis was performed for the simultaneous determination of ursolic acid and p-hydroxycinnamic acid in FM. Reverse-phase chromatography using a C18 column and photodiode array detection at 211 nm was used for quantification of the two maker components. The mobile phase for gradient elution consists of water and acetonitrile.
Results: We observed survival rates, general toxicity, change of body weight, and autopsy. The mice did not die after single oral administration of maximum dose of FM. Autopsy of animal revealed no abnormal gross finding. Therefore, value of FM for ICR mice was more than 5000mg/kg on oral route. The HPLC analysis showed that ursolic acid and p-hydroxycinnamic acid amounts to 9.75- and 0.12% in the extract with the retention times of 47.99- and 15.38 minutes, respectively.
Conslusion: These results suggest that no toxic dose level of FM in mice is considered to be more than 5000mg/kg. Consequently, it was concluded that FM have no effect on acute toxicity and side effect in ICR mice. For the quality control of FM extract, simultaneous determination of ursolic acid and p-hydroxycinnamic acid was established.
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KEYWORD
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Fructus mume, Acute toxicity, , Simultaneous determination, Ursolic acid, p-Hydroxycinnamic acid
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