Detection of the toxic substance dibutyl phthalate in Antarctic krill

Abstract High-performance thin layer chromatography was performed to investigate the potential presence of four phthalic acid esters, dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP) and dioctyl phthalate (DEHP), in Antarctic krill. The results revealed that in freeze-dried...

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Bibliographic Details
Published in:Antarctic Science
Main Authors: Han, Xiangning, Liu, Daicheng
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2017
Subjects:
Geology
Ecology, Evolution, Behavior and Systematics
Oceanography
Antarctic
Antarc*
Antarctic Krill
Antarctic Science
Online Access:http://dx.doi.org/10.1017/s0954102017000281
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102017000281
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Summary:Abstract High-performance thin layer chromatography was performed to investigate the potential presence of four phthalic acid esters, dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP) and dioctyl phthalate (DEHP), in Antarctic krill. The results revealed that in freeze-dried Antarctic krill levels of DBP (0.1043±0.0005 mg g -1 (104.3±0.05 mg kg -1 )) were high. The structure of DBP in Antarctic krill was determined by gas chromatography-mass spectrometry. Its existence is of concern based on demonstrated harmful effects to animals and plants as Antarctic krill is a key part of the food chain in Antarctic coastal marine ecosystems. The adverse effects of DBP on Antarctic krill and the source of DBP should be explored in further research.

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