Abstract
Quality control of imported fish products is a constant challenge for Customs officials. To help officials access the quality and integrity of imported fish products, and to enhance the effectiveness and accuracy of product screening, a method was developed to identify boiled and dried larval and juvenile sardines (Chirimen) at the genus level by direct sequencing using a partial sequence (606 bp) of mitochondrial 16S rDNA. A phylogenetic tree was constructed, based on nucleotide sequences of seven kinds of Chirimen imported from four countries with 16 standard samples belonging to the orders Clupeiformes and Salmoniformes. To identify the fish genera in imported Chirimen, bootstrap values and branch lengths of the phylogenetic tree as well as genetic distances were used. The data revealed that Chrimen imported from China and Korea contains species of the genus Engraulis. Regarding other imported Chirimen, the least that could be verified was that the sardine ingredients do not belong to regulated genera.
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