Open Access
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Hindawi Limited
International Journal of Analytical Chemistry
,  volume 2010 ,  pages 1-8

Occurrence and Sources of Triterpenoid Methyl Ethers and Acetates in Sediments of the Cross-River System, Southeast Nigeria

Publication type: Journal Article
Publication date: 2010-11-10
Hindawi Limited
scimago Q3
wos Q3
SJR: 0.414
CiteScore: 4.0
Impact factor: 1.7
ISSN: 16878760, 16878779
DOI:  10.1155/2010/502076
PubMed ID:  20414350
Analytical Chemistry
Abstract

Pentacyclic triterpenol methyl ethers (PTMEs), germanicol methyl ether (miliacin), 3-methoxyfern-9(11)-ene (arundoin),β-amyrin methyl ether (iso-sawamilletin), and 3-methoxytaraxer-14-ene (sawamilletin or crusgallin) were characterized in surface sediments of the Cross-River system using gas chromatography-mass spectrometry (GC-MS). Triterpenol esters (mainlyα- andβ-amyrinyl acetates and hexanoates, and lupeyl acetate and hexanoate) were also found. These distinct compounds are useful for assessing diagenesis that can occur during river transport of organic detritus. Poaceae, mainly Gramineae andElaeis guineensishigher plant species, are proposed as primary sources for the PTMEs and esters in the sediments. PTMEs are biomarkers of specific higher plant subspecies, while the triterpenol esters are indicators of early diagenetic alteration of higher plant detritus.

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GOST Copy
Oyo Ita O. E. et al. Occurrence and Sources of Triterpenoid Methyl Ethers and Acetates in Sediments of the Cross-River System, Southeast Nigeria // International Journal of Analytical Chemistry. 2010. Vol. 2010. pp. 1-8.
GOST all authors (up to 50) Copy
Oyo Ita O. E., Ekpo B. O., Oros D. R., SIMONEIT B. R. T. Occurrence and Sources of Triterpenoid Methyl Ethers and Acetates in Sediments of the Cross-River System, Southeast Nigeria // International Journal of Analytical Chemistry. 2010. Vol. 2010. pp. 1-8.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1155/2010/502076
UR - https://doi.org/10.1155/2010/502076
TI - Occurrence and Sources of Triterpenoid Methyl Ethers and Acetates in Sediments of the Cross-River System, Southeast Nigeria
T2 - International Journal of Analytical Chemistry
AU - Oyo Ita, Orok E
AU - Ekpo, Bassey O
AU - Oros, Daniel R.
AU - SIMONEIT, Bernd R. T.
PY - 2010
DA - 2010/11/10
PB - Hindawi Limited
SP - 1-8
VL - 2010
PMID - 20414350
SN - 1687-8760
SN - 1687-8779
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2010_Oyo Ita,
author = {Orok E Oyo Ita and Bassey O Ekpo and Daniel R. Oros and Bernd R. T. SIMONEIT},
title = {Occurrence and Sources of Triterpenoid Methyl Ethers and Acetates in Sediments of the Cross-River System, Southeast Nigeria},
journal = {International Journal of Analytical Chemistry},
year = {2010},
volume = {2010},
publisher = {Hindawi Limited},
month = {nov},
url = {https://doi.org/10.1155/2010/502076},
pages = {1--8},
doi = {10.1155/2010/502076}
}