Relative distributions of phenol dimers and hydroxy acids in a cultivated soil and above ground maize tissue

被引：23

作者：

Dignac, Marie-France ^{[1
]}

Rumpel, Cornelia ^{[1
]}

机构：

[1] Univ Paris 06, INRA, UMR, Lab Biogeochim & Ecol Milieux Continentaux BioEMC, F-78850 Thiverval Grignon, France

来源：

ORGANIC GEOCHEMISTRY | 2006年 / 37卷 / 11期

关键词：

D O I：

10.1016/j.orggeochem.2006.06.019

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The distributions of lignin-derived phenol dimers and cutin/suberin-derived hydroxy carboxylic acids were studied in a single analysis using CuO oxidation of maize leaves and stems as well as the plough layer of a silty soil cultivated with maize. Their relative contributions in soils and plants were compared to that of lignin monomers reported in a previous study. The x,16-dihydroxyhexadecanoic acid isomers and 9,10,18-trihydroxyoctadecanoic acid were the most abundant hydroxy acids in the soil. An x-hydroxy hexadecane-1,16-dioic acid was relatively enriched in soil compared to maize leaves. Hydroxy acids were relatively enriched in soils compared to lignin-derived phenols. Lignin dimers were relatively enriched in soil with regard to lignin monomers. Lignin dimers with 5,5 aryl-aryl and a,2-methyl linkages were the most concentrated dimers in soil compared to the plant tissue. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1634 / 1638

页数：5

共 21 条

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