Identification of the geographical origins of sea cucumbers in China: The application of stable isotope ratios and compositions of C, N, O and H
文献类型： 外文期刊
作者： Kang, Xuming 1 ; Zhao, Yanfang 1 ; Shang, Derong 1 ; Zhai, Yuxiu 1 ; Ning, Jinsong 1 ; Ding, Haiyan 1 ; Sheng, Xiaofen 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Testing & Evaluat Aquat Prod Safety & Qua, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266071, Peoples R China
关键词： Sea cucumbers; Elemental compositions; Stable isotope ratios; Discriminant analysis; Geographical origins
期刊名称：FOOD CONTROL （ 影响因子：5.548； 五年影响因子：5.498 ）
ISSN： 0956-7135
年卷期： 2020 年 111 卷
页码：
收录情况： SCI
摘要： The determination of the geographical origins of seafood is significant for food safety and health of consumers. It is necessary to develop a feasible method of identifying the geographical origins of sea cucumbers in China. In this study, 76 sea cucumbers collected from five different regions in China were analyzed for the stable isotope ratios and compositions of carbon (C), nitrogen (N), oxygen (O) and hydrogen (H). One way analysis of variance was adopted for the study of the differences in the stable isotope ratios and compositions of C, N, O and H in these sea cucumbers. The principal component analysis (PCA) and linear discriminant analysis (LDA) were used as exploratory techniques and classification procedures, respectively. The one way analysis of variance showed that there was a significant difference (p < 0.05) in the stable isotope ratios and compositions of C, N, O and H in the sea cucumbers, which proved that the stable isotope ratios and compositions of C, N, O and H were useful in the identification of the origins of sea cucumbers. Based on the PCA, there was no clear distinction between the sea cucumbers from different regions. High recognition (93.4%) and satisfactory predictive ability (89.5%) were achieved with the LDA. The present findings suggest that the analysis of the stable isotope ratios and compositions of C, N, O and H combined with the statistical analysis could be potentially applied in the discrimination of the geographical origins of sea cucumbers.
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