Journal
FOOD CHEMISTRY
Volume 131, Issue 4, Pages 1355-1359Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2011.09.135
Keywords
Polyamines; Corn; Embryo; Endosperm; Germination; HPLC
Funding
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais - FAPEMIG
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico - CNPq
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The types and levels of free bioactive amines in different corn products were determined. The amines were analyzed by ion pair-HPLC, post-column derivatization with o-phthalaldehyde and fluorimetric detection. Fresh sweet corn contained mainly spermidine followed by putrescine. Spermine, cadaverine, phenylethylamine, histamine and agmatine were also present at low levels. The profile and levels of amines changed significantly in canned and dried corn. Putrescine was the prevalent amine in canned corn whereas spermine was prevalent in dried corn. Germinated corn had significantly higher spermidine, spermine and putrescine levels. The embryo of the corn contained significantly higher spermine levels compared to the endosperm. These results indicate that corn is a good source of polyamines and that the different types of corn products available can be used to provide a profile of amines according to specific dietary need. (C) 2011 Elsevier Ltd. All rights reserved.
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