NDLI: Identifying the origin of Corbicula clams using trace element analysis

Content Provider	Springer Nature Link
Author	Iguchi, Jun Isshiki, Maya Takashima, Yasuharu Yamashita, Yumiko Yamashita, Michiaki
Copyright Year	2014
Abstract	The trace element contents of Corbicula clam shells collected from Japan, Russia, China, and the Republic of Korea were analyzed to determine their geographic origin. The crushed shells were decomposed with nitric acid–hydrogen peroxide, and the concentrations of 14 elements (Li, Mg, V, Mn, Co, As, Rb, Mo, Ba, Ce, Pb, U, Sr, and Ca) were measured by inductively coupled plasma mass spectrometry and inductively coupled plasma optical emission spectrometry. Some of the elements identified in samples displayed a geographic trend. The average content of manganese in Japanese samples was twice that of Russian samples. Conversely, the arsenic content in Japanese samples was approximately half of that in Russian samples. Linear discriminant analysis was applied to the data from Japanese and Russian samples, and a discriminant model was constructed. The discriminant model was used to determine the geographic origin of Corbicula clams produced in Japan, with 89.8 % of those identified as Japanese and 92.2 % of those identified as Russian being classified correctly. Therefore, trace element analysis of the shells of Corbicula clams is a useful technique for the identification of their country of origin.
Starting Page	1089
Ending Page	1096
Page Count	8
File Format	PDF
ISSN	09199268
Journal	Fisheries Science
Volume Number	80
Issue Number	5
e-ISSN	14442906
Language	English
Publisher	Springer Japan
Publisher Date	2014-07-08
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Corbicula clam ICP-MS ICP-OES LDA Origin identification Trace element analysis Fish & Wildlife Biology & Management Freshwater & Marine Ecology Food Science
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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