NDLI: N-Octyl esters of long-chain fatty acids are not anthropogenic pollution markers

Content Provider	Springer Nature Link
Author	Radulović, Niko S. Zlatković, Dragan B.
Copyright Year	2013
Abstract	n-Octyl esters of higher fatty acids have been reported as markers of urban wastewater in sediments, polychaeta, fish, crabs and oysters (Chaler et al. in J Chromatogr A 1046:203–210, 2004)). However, up to date, there were no subsequent studies to confirm this claim. Likewise, Chaler and co-workers did not consider that the mentioned compounds might occur naturally in the environment. Here we found seven n-octyl straight-chain alkanoates, from C-20 to C-26, in the wild-growing plant Heracleum sphondylium L., Apiaceae, from 14 locations. Those plant metabolites were unambiguously identified by gas chromatographic co-injection of the synthesized esters with the inflorescence washings. All identified octyl esters represent new natural compounds, except for octyl docosanoate. Since we have demonstrated that n-octyl esters occur naturally, and in abundance, they cannot be recognized any longer as wastewater markers. Additionally, here we provide evidences that the compounds identified by Chaler et al. (2004) are in fact 2-ethylhexyl esters, mistakenly identified as n-octyl esters.
Starting Page	303
Ending Page	312
Page Count	10
File Format	PDF
ISSN	16103653
Journal	Environmental Chemistry Letters
Volume Number	12
Issue Number	2
e-ISSN	16103661
Language	English
Publisher	Springer International Publishing
Publisher Date	2013-10-30
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	n-Octyl esters 2-Ethylhexyl esters Wastewater markers Environmental analysis Heracleum sphondylium Wax Environmental Chemistry Ecotoxicology Pollution Analytical Chemistry Geochemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry

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