The antibiotic residues of the urine, the liver, the lung, the kidney and the spleen in slaughtered pigs at Kyongbuk province were detected by TLC(505 kit) and EEC-4 plate method. 1. The positive rate of residual sulfamethazine which was detected by 505 kit in the urine (n=200) was 0.0%. 2. The p...
The antibiotic residues of the urine, the liver, the lung, the kidney and the spleen in slaughtered pigs at Kyongbuk province were detected by TLC(505 kit) and EEC-4 plate method. 1. The positive rate of residual sulfamethazine which was detected by 505 kit in the urine (n=200) was 0.0%. 2. The positive rate of residual sulfamethazine which was detected by EEC-4 plate in the urine (n=126), the liver(n=98), the kidney(n=72), the spleen (n=68) and the lung(n=48) were 63%, 49%, 36%, 34% and 24%, respectively. 3. By EEC-4 plate method, the positive detection rates of the urine were 53.0% in BS(pH 6.0), 29.0% in BS(pH 7.2), 11.5% in BS(pH 8.0) and 13.0% in ML(pH 8.0) medium, that of the liver 41.5% in BS(pH 6.0), 22.0% in BS(pH 7.2), 6.5% in BS(pH 8.0) and 5.0%, in ML (pH 8.0) medium, that of the lung 21.0% in BS(pH 6.0), 9.5%, in BS(pH 7.2) and 8.5% in BS(pH 8.0) medium, and that of the kidney 31.5% in BS(pH 6.0), 14.5% in BS(pH 7.2), 20.0% in BS(pH 8.0) and 3.0% in ML(pH 8.0) medium. In the spleen, only in BS(pH 6.0) medium the positive rate was detected as 33.5 %. 4. The positive rates of samples which shown TLC-positive detected by EEC-4 plate method were 53.9% in no band, 77.8% in one band, 80.9% in two bands, 66.7% in three bands, respectively. In conclusion, the EEC-4 plate method could be applied for the detection of residual antibiotics in samples which shown as out of standard Rf values by TLC-method (SOS kit).
The antibiotic residues of the urine, the liver, the lung, the kidney and the spleen in slaughtered pigs at Kyongbuk province were detected by TLC(505 kit) and EEC-4 plate method. 1. The positive rate of residual sulfamethazine which was detected by 505 kit in the urine (n=200) was 0.0%. 2. The positive rate of residual sulfamethazine which was detected by EEC-4 plate in the urine (n=126), the liver(n=98), the kidney(n=72), the spleen (n=68) and the lung(n=48) were 63%, 49%, 36%, 34% and 24%, respectively. 3. By EEC-4 plate method, the positive detection rates of the urine were 53.0% in BS(pH 6.0), 29.0% in BS(pH 7.2), 11.5% in BS(pH 8.0) and 13.0% in ML(pH 8.0) medium, that of the liver 41.5% in BS(pH 6.0), 22.0% in BS(pH 7.2), 6.5% in BS(pH 8.0) and 5.0%, in ML (pH 8.0) medium, that of the lung 21.0% in BS(pH 6.0), 9.5%, in BS(pH 7.2) and 8.5% in BS(pH 8.0) medium, and that of the kidney 31.5% in BS(pH 6.0), 14.5% in BS(pH 7.2), 20.0% in BS(pH 8.0) and 3.0% in ML(pH 8.0) medium. In the spleen, only in BS(pH 6.0) medium the positive rate was detected as 33.5 %. 4. The positive rates of samples which shown TLC-positive detected by EEC-4 plate method were 53.9% in no band, 77.8% in one band, 80.9% in two bands, 66.7% in three bands, respectively. In conclusion, the EEC-4 plate method could be applied for the detection of residual antibiotics in samples which shown as out of standard Rf values by TLC-method (SOS kit).
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