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KMID : 0665420190340060801
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Korean Journal of Food Culture
2019 Volume.34 No. 6 p.801 ~ p.809
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Toxicity Assessment of Abeliophyllum distichum Nakai Ethanol Extract Orally Administered to Sprague-Dawley Rats for Two Consecutive Weeks
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Kwon Soon-Bok
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Abstract
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Abeliophyllum distichum Nakai is a deciduous shrub of a flowering plant in Oleaceae. It is an important plant resourceand consists of only one species in the entire world. A. distichum Nakai is well known an edible, medicinal herb in its habitatdistricts, but the toxicological evaluation for the safe use of its extract is still insufficient. The study characterized the toxicityof an Abeliophyllum distichum Nakai ethanol extract in Sprague-Dawley (SD) rats and determined the safe dosage levelsin a 13 weeks toxicity study. Abeliophyllum distichum Nakai ethanol extract was orally administered once daily for 2 weeksat 0, 500, 1,000 and 2,000 mg/kg/day to male and female SD rats. while recording the clinical signs of toxicity, body weight,food intake/consumption, eye test and urine analysis. Only the total protein frequency in the urine of male SD rats (p<0.05),the right ovary of the 500 mg/kg group (p<0.01) and the right adrenal gland of the 1,000 mg/kg group (p<0.05) in thefemale rats showed statistically significant changes. But no toxic effects were noted from repeated-dose administration of theAbeliophyllum distichum Nakai ethanol extract in the SD rats during the observation period. The post-mortem examinationsshowed no test substance-mediated changes. The hematological analysis and clinical blood chemistry data demonstratedno toxic effects from repeated-dose administration of Abeliophyllum distichum Nakai ethanol extract in the SD rats duringthe observation period. Based on these results, this data suggests that a dose of 1,000 mg/kg/day is a highest treatment toadminister when conducting a further 13 weeks toxicity study.
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KEYWORD
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Abeliophyllum distichum Nakai, 2 weeks oral toxicity, Sprague-Dawley rats
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