Utility of Stable Isotope and Cytochrome Oxidase I Gene Sequencing Analyses in Inferring Origin and Authentication of Hairtail Fish and Shrimp

Title
Utility of Stable Isotope and Cytochrome Oxidase I Gene Sequencing Analyses in Inferring Origin and Authentication of Hairtail Fish and Shrimp
Authors
황승용
Keywords
fish; shrimp; delta C-13; delta N-15; COI sequencing; geographic origin; species identification
Issue Date
2015-05
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, v. 63, NO 22, Page. 5548-5556
Abstract
Mislabeling of fishery products continues to be a serious threat to the global market. Consequently, there is an urgent necessity to develop tools for authenticating and establishing their true origin. This investigation evaluates the suitability of stable isotopes and cytochrome oxidase I (COI) sequencing in identifying and tracing the origin of hairtail fish and shrimp. By use of COI sequencing, the hairtail fish samples were identified as Trichiurus japonicus and Trichiurus lepturus, while the shrimp samples were identified as Pandalus borealis, Marsupenaeus japonicus, Fenneropenaeus chinensis, Litopenaeus vannamei, Penaeus monodon, and Solenocera crassicornis. Linear discriminant analysis (LDA) of stable isotopes further categorized the individuals of the same species based on the country of origin. Natural and farmed shrimp (from the same country) were distinctly differentiated on the basis of stable isotope values. Therefore, these two methods could be cooperatively utilized to identify and authenticate fishery products, the utilization of which would enhance transparency and fair trade.
URI
http://pubs.acs.org/doi/abs/10.1021/acs.jafc.5b01469http://hdl.handle.net/20.500.11754/24639
ISSN
0021-8561; 1520-5118
DOI
http://dx.doi.org/10.1021/acs.jafc.5b01469
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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