QUALITY INDICES AS POTENTIAL MARKERS INDICATING THE ORIGIN OF CULTURED SCALLOP (ARGOPECTEN IRRADIANS) IN THE NORTH CHINA SEA

文献类型: 外文期刊

第一作者: Xu, Qiang

作者: Xu, Qiang;Wang, Hong;Yang, Hongsheng;Gao, Fei

作者机构:

关键词: regional quality characteristic;Argopecten irradians;fatty acid biomarker;geographical origin

期刊名称:JOURNAL OF SHELLFISH RESEARCH ( 影响因子:1.396; 五年影响因子:1.47 )

ISSN:

年卷期:

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收录情况: SCI

摘要: The authentication of seafood origin is essential to establish a reliable product traceability system. In principle, appropriate markers can confirm the product origin without additional information. Scallop is an important shellfish product around the world. Its nutritional quality can be closely related to several environmental factors and varies between different habitats, yet it is not known if quality variation can be a reliable marker indicating product origin. In this study, the regional quality characteristics of scallop (Argopecten irradians) harvested from 18 farms in the North China Sea was investigated. Seven nutritional indices (moisture, ash content, sugar, crude protein, omega 3 polyunsaturated fatty acids, condition index, amino acid chemical score) show considerable geographic differences. Based on quality composition data, cluster analysis demonstrates three different scallop product origins: those from the North Yellow Sea and Bohai Sea, Middle Yellow Sea, and Laizhou Bay. Fatty acid biomarkers reveal that quality variations are caused by regional differences in pelagic food sources. Results suggest that nutritional quality indices could be a potential marker to indicate geographic sources of cultured scallop.

分类号: S9

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