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《Journal of Fisheries Research》 2018-03
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Investigation and analysis of chloramphenicol residues in shellfish sold in Xiamen

LIN Gongshi;ZHENG Dongyun;HONG Jiang;LIU Lili;Xiamen Marine & Fisheries Research Institute;  
To investigate the chloramphenicol residues of common types of shellfish sold in Xiamen retailer,169 samples were collected from wholesale markets, supermarket and shellfish farms including 8 kinds of shellfish such as Ruditapes philippinarum,Meretrix meretrix,Ostrea gigas tnunberg,Sinonovacula constricta,Mytilus edulis, Tegillarca granosa, Musculus senhousei, and Chlamys farreri. According to the national standard GB/T 20756—2006,chloramphenicol residues in shellfish were determined by UHPLC-MS/MS.Detection ranges of the method were 0. 5 ~ 10 ng/m L,and the correlation coefficient was 0. 999 8. The detection limit was achieved as 0. 1 μg/kg,while the recovery range of chloramphenicol was 88% ~ 104%.The results showed that the detection rate of chloramphenicol in 169 samples was 3. 6%( 6/169),and the highest content level was 7. 05 μg/kg. Among the 8 species of shellfish,the detection rate of chloramphenicol in Ruditapes philippinarum and Meretrix meretrix were 7. 7%( 3/39) and 6. 7%( 2/30),which were much higher than other kinds of shellfish. The results of the survey showed that chloramphenicol residues were found in shellfish in the retailer. It is necessary to further strengthen monitoring to guarantee the consumer health.
【CateGory Index】: TS254.7
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