Possible origin of aliphatic moieties in humic substances

Various hypotheses have been put forward concerning the origin of aliphatic moieties in humic substances. In this paper we consider the possibility of a direct contribution of various classes of aliphatic moieties, occurring in extant organisms, to humic substances. On the basis of their resistance...

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Bibliographic Details
Published in:Science of the total environment 1989-06, Vol.81, p.1-17
Main Authors: Tegelaar, E.W., de Leeuw, J.W., Saiz-Jimenez, C.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Chemical, physicochemical, biochemical and biological properties
Fundamental and applied biological sciences. Psychology
Organic matter
Physics, chemistry, biochemistry and biology of agricultural and forest soils
Soil science
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Summary:Various hypotheses have been put forward concerning the origin of aliphatic moieties in humic substances. In this paper we consider the possibility of a direct contribution of various classes of aliphatic moieties, occurring in extant organisms, to humic substances. On the basis of their resistance against chemical and biological degradation, it is speculated that recently discovered insoluble, non-hydrolyzable aliphatic biopolymers in algal cell walls and the protective layers of higher terrestrial plants are, via a mechanism of selective preservation, major precursors of aliphatic moieties in humic substances.
ISSN:0048-9697
1879-1026
DOI:10.1016/0048-9697(89)90106-X