Humic Substances
Organic matter in a state of advanced decay, after passing through the stages of COMPOST and PEAT and before becoming lignite (COAL). It is composed of a heterogenous mixture of compounds including phenolic radicals and acids that polymerize and are not easily separated nor analyzed. (E.A. Ghabbour and G. Davies, eds. Humic Substances, 2001).
Year introduced: 2005(1963)
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Subheadings:
Tree Number(s): D02.241.444, D02.455.426.559.389.657.377, D20.721.500
MeSH Unique ID: D006812
Entry Terms:
- Substances, Humic
- Humic Substance
- Substance, Humic
- Humic Acids
- Acids, Humic
- Humic Acid
- Acid, Humic
- Sodium Huminate
- Huminate, Sodium
Pharmacologic Action: