A METABOLOMIC STUDY OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) RAISES A WARNING ABOUT ANTARCTIC POLLUTION

文献类型： 外文期刊

第一作者： Zhang, Fengying

作者： Zhang, Fengying;Zhao, Ming;Ma, Chunyan;Wang, Lumin;Feng, Chunlei;Li, Lingzhi;Ma, Lingbo

作者机构：

关键词： Euphausia superba; metabolomics; GC-MS; 2-hydroxy biphenyl; dioctyl phthalate; Antarctica; chemical contamination

期刊名称：CRUSTACEANA （ 影响因子：0.529； 五年影响因子：0.65 ）

ISSN： 0011-216X

年卷期： 2018 年 91 卷 8 期

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收录情况： SCI

摘要： Antarctic krill (Euphausia superba) is one of the most successful species on Earth and serves as the largest potential protein bank for both Antarctic animals and humans. Research on this species is of great value for exploitation of Antarctic biotic resources. In this study, the metabolomics of E. superba were investigated using the GC-MS method. A total of 293 compounds were initially identified; these compounds could be divided into several classes, including amino acids, sugars and polyols, metabolic intermediates, small molecules and other metabolites. However, a serious problem was that both 2-hydroxybiphenyl and dioctyl phthalate were also detected in these krill tissues. Moreover, some intermediates of pesticides and medicinal or chemical compound products were found in krill tissue as well. This is the first survey to investigate the occurrence of chemical contamination in metabolites of Antarctic krill. These findings suggest that international contracts or policies should be developed to protect the pristine ocean.

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