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A colorless, foul-smelling polyamine, C4H12N2, produced in decaying animal tissue by the decarboxylation of ornithine.

[Latin putrēscere, to rot; see putrescent + -ine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(pjuːˈtrɛsiːn; -ɪn)
(Biochemistry) a colourless crystalline amine produced by decaying animal matter; 1,4-diaminobutane. Formula: H2N(CH2)4NH2
[C20: from Latin putrescere + -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.putrescine - a colorless crystalline ptomaine with a foul odor that is produced in decaying animal matter
ptomain, ptomaine - any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria
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References in periodicals archive ?
The PBz precursor synthesized from ethylene diamine is abbreviated as PBz-eda; from 1,4-diaminobutane is abbreviated as PBz-dba; and from tetraethylenepentamine is abbreviated as PBz-tepa.
Gamma-aminobutyric acid (4-aminobutyric acid) (GABA) and putrescine (1,4-diaminobutane) (Put) are considered as an important compounds available in biological system [1].
It is comprised of a crosslinking composition that is comprised of an active agent (wherein the active agent is an amine or diamine and wherein the amine or diamine is selected from the group consisting of 1,7-diaminoheptane, 1,4-diaminobutane, 6-aminohexan-l-ol, 6-amino hexanoic acid, 2-aminoacetic acid, 2-amino-2-oxo-ethanoic acid, 4-aminobutanoic acid, and mixtures thereof); a photocatalyst which is a mixture of 8-hydroxyquinoline and 8-quinolinol-l-oxide; a cosmetically-acceptable carrier.
Actually, the small polyamine putrescine (1,4-diaminobutane) is ubiquitously and readily found in all three domains of life.
Efficacy of 1,4-diaminobutane (putrescine) in a food-based synthetic attractant for capture of Mediterranean and Mexican fruit flies (Diptera: Tephritidae).
Then, the membrane was immersed in diamine solution of 1,2-diaminoethane or 1,4-diaminobutane to produce positively charged membrane chromatography.
The 1,4-diaminobutane (DAB) core dendrimer and the PAMAM dendrimer are well studied commercially available dendrimers for imaging studies.
The best substrates for all preparations are 1,4-diaminobutane (putrescine) and 1,5-diaminopentane (cadaverine), which in nature are produced along with histamine and other biogenic amines in protein hydrolysis during putrefaction of tissues both in living and dead organisms.