Concentrations and Composition of Sphagnum Peat Lipids Depending on Temperature in the Climatic Zones of Western Siberia

被引：9
作者：
Serebrennikova, O. V. [1 ,2 ]
Duchko, M. A. [1 ,2 ]
Koronatova, N. G. [3 ]
Strelnikova, E. B. [1 ]
机构：
[1] Russian Acad Sci, Inst Petr Chem, Siberian Branch, Tomsk 634055, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
[3] Russian Acad Sci, Inst Soil Sci & Agrochem, Siberian Branch, Novosibirsk 630090, Russia
来源：
SOLID FUEL CHEMISTRY | 2018年 / 52卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
DISTRIBUTIONS;
D O I：
10.3103/S0361521918010081
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The composition of n-alkanes; sesqui-, di-, and triterpenoids; steroids; carboxylic acids; and tocopherols of sphagnum peat from the southern, middle, and northern taiga and forest-tundra of Western Siberia was studied by gas chromatography-mass spectrometry. It was shown that the latitudinal shift to the north leads to the preservation of the peat lipid components and sufficiently high values of carbon preference index (CPI) close to those of mire plants. This can be caused by a decrease in microbiological activity due to a decrease in the mean annual temperature. Towards the north, the total concentrations of n-alkanes, steroids, pentacyclic triterpenoids, squalene, and tocopherols increased, and a ratio of the total concentration of steroids to the concentrations of pentacyclic triterpenoids and hopanes decreased.
引用
收藏
页码：36 / 43
页数：8
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