humin

Thesaurus

Noun

humin - a black humic substance that is not soluble in waterhumic substance - an organic residue of decaying organic matter

[′hyü·mən] (geology) ulmin (organic chemistry) An insoluble pigment formed in the acid hydrolysis of a protein that contains tryptophan.

hu·min

(hyū'min), An insoluble brownish or blackish residue obtained upon acid hydrolysis of glycoproteins.

A heteropolymeric mixture of organic molecules from biodegradable humis, peat and soil.

Related to humin: humic acid

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