(redirected from 1,4-diaminobutane)
Also found in: Thesaurus, Medical, Encyclopedia.


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

[Latin putrēscere, to rot; see putrescent + -ine.]


(pjuːˈtrɛsiːn; -ɪn)
(Biochemistry) a colourless crystalline amine produced by decaying animal matter; 1,4-diaminobutane. Formula: H2N(CH2)4NH2
[C20: from Latin putrescere + -ine2]
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
References in periodicals archive ?
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.
Malonamide, biuret, ethylenediamine dihydrochloride, 1,4-diaminobutane dihydrochloride, 1,3-diaminopropane, and uric acid were from Acros Chemical.
In a first step, the enzyme is reacted in an organic solvent with a bifunctional monomer such as p-phenylene diisocyanate, 4-methyl-m-phenylene diisocyanate or 4,4'-methylenebisphenyl diisocyanate, and in a second step a bifunctional amine such as N-phenylethylenediamine, 1,6-diaminohexane, N,N'-diethyl-ethylenediamine or 1,4-diaminobutane is added.