Tissue Deposition and Residue Depletion in Laying Hens Exposed to Melamine-Contaminated Diets
文献类型: 外文期刊
第一作者: Bai, Xue
作者: Bai, Xue;Bai, Fan;Zhang, Keying;Bai, Shiping;Bai, Fan;Li, Yun;Lin, Shunqin;Lv, Xiaowen;Qin, Yuchang
作者机构:
关键词: Melamine;laying hen;deposition;elimination
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:5.279; 五年影响因子:5.269 )
ISSN:
年卷期:
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收录情况: SCI
摘要: To investigate the deposition and elimination of melamine in hen eggs and tissues, 72 Roman laying hens were administrated with melamine at 8.6-140.9 mg per kilogram of body weight per day for 34 days. The crystals were found in one of three kidneys of hens treated with melamine at either 62.6 or 140.9 mg/kg. Furthermore, the melamine concentrations in egg, muscle, liver, kidney, stomach, duodenum, uterus, ovary, and blood plasma were determined by high-performance liquid chromatography-ultraviolet (HPLC-UV) methods. A higher dosage of melamine in the diet corresponded to higher concentrations in tissues and eggs. The concentrations of melamine in tissues were in the following ranges (μg/g): egg, 1.1-28.7; muscle, 0.4-9.3; liver, 0.5-6.9; kidney, 1.3-21.7; stomach, 0.4-7.3; duodenum, 0.3-2.8; uterus, 0.5-6.9; ovary, 0.5-9.1; and blood plasma, 0.8-7.6. When melamine was withdrawn from the diet of hens, the melamine concentration in hen tissues fell to below 2.5 μg/g by day 10 and no residues were detected in eggs or tissues at days 7 and 20, respectively.
分类号: R15
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