About: Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates.

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The reducing activity of principal low-molecular non-nitrogen Maillard reducing intermediates formed in binary mixtures with several kinds of important Maillard carbonyl products was evaluated. Only norfuraneol and 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one (DDMP) are able to yield active addition products. It was found that the tested compounds with reactive methylene group are notably transformed to reducing products only when reacted with cyclic compounds possessing reactive formyl group, such as derivatives of furan-2-carbaldehyde, and also with -hydroxycarbonyl products of sugar fragmentation such as glycolaldehyde and glyceraldehyde. Several active condensation products were isolated and identified, such as stereoisomers of 2 [(2-furyl)methylidene]-4 hydroxy-5-methyl-2H-furan-3-one formed from norfuraneol and furan 2 carbaldehyde, 4 hydroxy-2-[2-(5-hydroxymethylfuryl)methylidene]-5-methyl-2H-furan-3-one (norfuraneol and 5-hydroxymethylfuran-2-carbaldehyde) and 4 hydroxy-5-methyl-2 [(2-pyr The reducing activity of principal low-molecular non-nitrogen Maillard reducing intermediates formed in binary mixtures with several kinds of important Maillard carbonyl products was evaluated. Only norfuraneol and 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one (DDMP) are able to yield active addition products. It was found that the tested compounds with reactive methylene group are notably transformed to reducing products only when reacted with cyclic compounds possessing reactive formyl group, such as derivatives of furan-2-carbaldehyde, and also with -hydroxycarbonyl products of sugar fragmentation such as glycolaldehyde and glyceraldehyde. Several active condensation products were isolated and identified, such as stereoisomers of 2 [(2-furyl)methylidene]-4 hydroxy-5-methyl-2H-furan-3-one formed from norfuraneol and furan 2 carbaldehyde, 4 hydroxy-2-[2-(5-hydroxymethylfuryl)methylidene]-5-methyl-2H-furan-3-one (norfuraneol and 5-hydroxymethylfuran-2-carbaldehyde) and 4 hydroxy-5-methyl-2 [(2-pyr (en)
Title	Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. (en)
skos:prefLabel	Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. (en)
skos:notation	RIV/60461373:22330/09:00022361!RIV10-MSM-22330___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC 125), Z(MSM6046137305)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Velíšek, Jan Cejpek, Karel Konečný, Michael
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta potravinářské a biochemické technologie
http://linked.open...dnocenehoVysledku	338197
http://linked.open...ai/riv/idVysledku	RIV/60461373:22330/09:00022361
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Maillard reaction; norfuraneol; DDMP; furancarbaldehydes; pyrrolecarbaldehydes (en)
http://linked.open.../riv/klicoveSlovo	Maillard reaction DDMP furancarbaldehydes norfuraneol pyrrolecarbaldehydes
http://linked.open...ontrolniKodProRIV	[833A1268B6B4]
http://linked.open...v/mistoKonaniAkce	Copenhagen, Denmark
http://linked.open...i/riv/mistoVydani	Copenhagen
http://linked.open...i/riv/nazevZdroje	Proceedings EuroFoodChem XV - Food for the future - the contribution of chemistry to improvement of food quality
http://linked.open...in/vavai/riv/obor	GM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20125
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Cejpek, Karel Velíšek, Jan Konečný, Michael Čechovská, L.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-07-05 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Teoretické základy potravinářských a biochemických technologií
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	University of Copenhagen
https://schema.org/isbn	978-87-993033-5-9
http://localhost/t...ganizacniJednotka	22330
is http://linked.open...avai/riv/vysledek of	Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates. Reactions of reductones and methylene-active compounds with Maillard carbonyl intermediates.

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