Food Chem 2019 Feb 23;274:1-7. Epub 2018 Aug 23.
Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China; Key Laboratory of Fishery Ecological Environment Assessment and Resource Conservation in Middle and Lower Reaches of the Yangtze River, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China. Electronic address:
Geographical traceability is critical to the commercial viability of the highly valued Chinese mitten crab (Eriocheir sinensis). This study examined the possibility of utilizing a combination of multi-element and stable isotope analysis, together with multivariate statistical authenticity analysis, to identify the origins of 164 commodity crabs (using the third pereiopod as the sample material) from eight sites around China. The δC, δN values and the Na, Mg, Al, K, Ca, Mn, Cu, Zn, Sr, Ba contents differed significantly depending on the crabs' origin. Read More