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KMID : 1023520000230020143
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Korean Journal of Veterinary Service
2000 Volume.23 No. 2 p.143 ~ p.152
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Survey on the changes of sulfamethazine residues in serum, liver and muscle according to the time lapsed after oral administration of sulfamethazine sodium to rats using HPLC
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Do Jae-Cheul
Jang Jee-Taek
Lee Yeong-Mi
Cho Jong-Suk
Jo Min-Hee
Park Hee-Ju
Shin Dae-Gil
Jyeong Jong-Sik
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Abstract
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Sulfamethazine sodium was orally administrated to sprague-dawley strain male rats(body weight, 200-300g) with using sonde at the rate of 20 mg/100g body weight(recommended therapeutic dose) on once a day for 3 days. There were investigated the depletion rate of the sulfamethazine in serum, liver and skeletal muscle of rat at the time 8 hours, 1st, 2nd, 3rd, 4th, 5th and 6th day after administration sulfamethazine sodium. 1. The mean concentrations of sulfamethazine in serum according to the time lapsed after oral administration of the sulfamethazine soudijm were showed 215.5342.99 ppm at the 8 hours after withdrawal of medicated sulfamethazine. And gradually according to the time lapsed, the concentrations of sulfamethazine residues in serum were significantly (p<.05) decreased 25.875.18 ppm at 1st day, 2.300.61 ppm at 3rd day and 0.110.02 ppm at 6th day after withdrawal of medicated sulfamethazine. 2. The mean concentrations of sulfamethazine in liver were significantly (p<.05) decreased 81.77 12.88 ppm to 0.110.03 ppm between 8 hours and 6th day according to the time lapsed after oral administration of the sulfamethazine sodium for 3 days. 3. After oral administration of the sulfamethazine sodium, the mean concentrations of sulfamethazine in skeletal muscle were significantly (p<.05) decreased 35.961.39 ppm to 0.0090.001 ppm between 8 hours and 6th day after withdrawal of medicated sulfamethazine. At the 4th day, the concentrations of sulfamethazine residues were showed 0.10 0.04 ppm below 0.1 ppm at the permitted limit concentration of muscle in Korea. 4. After oral administration of the sulfamethazine sodium once a day for 3 days, there were showed the highest concentration in serum (215.5342.99 ppm) than in liver(81.7712.88 ppm) and skeletal muscle (35.961.39 ppm) at the 8 hours after withdrawal of medicated sulfamethazine. The mean concentration of sulfamethazine residues in serum, liver and skeletal muscle were gradually decreased according to the time lapsed.
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KEYWORD
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Sulfamethazine residues, Serum, Liver, Skeletal muscle
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