About: Pressure and temperature stability of the main apple allergen Mal d1

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	High-pressure Fourier-transform infrared (FTIR) spectroscopy was used to determine the pressure and temperature stability of Mal d1. This study was triggered by contradictory results in the literature regarding the success of pressure treatment in the destruction of the allergen. The protein unfolded at 55A degrees C when heated at normal atmospheric pressure. We also studied the effect exerted on pressure stability by environmental factors, which can be important for the stability of the protein in the apple. The pressure unfolding was measured under different pD conditions, and the effect of sugar mixture similar to that of the apple and the effect of ionic strength were also studied. In all cases the allergen unfolded with a transition midpoint in the range of 150-250 MPa. Unfolding was irreversible and was followed by aggregation of the unfolded protein. Lowering the pD destabilized the protein, while addition of sugar mixture and of KCl had stabilizing effect. High-pressure Fourier-transform infrared (FTIR) spectroscopy was used to determine the pressure and temperature stability of Mal d1. This study was triggered by contradictory results in the literature regarding the success of pressure treatment in the destruction of the allergen. The protein unfolded at 55A degrees C when heated at normal atmospheric pressure. We also studied the effect exerted on pressure stability by environmental factors, which can be important for the stability of the protein in the apple. The pressure unfolding was measured under different pD conditions, and the effect of sugar mixture similar to that of the apple and the effect of ionic strength were also studied. In all cases the allergen unfolded with a transition midpoint in the range of 150-250 MPa. Unfolding was irreversible and was followed by aggregation of the unfolded protein. Lowering the pD destabilized the protein, while addition of sugar mixture and of KCl had stabilizing effect. (en)
Title	Pressure and temperature stability of the main apple allergen Mal d1 Pressure and temperature stability of the main apple allergen Mal d1 (en)
skos:prefLabel	Pressure and temperature stability of the main apple allergen Mal d1 Pressure and temperature stability of the main apple allergen Mal d1 (en)
skos:notation	RIV/00027022:_____/11:00000161!RIV12-MSM-00027022
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(2B06139)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Houška, Milan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav potravinářský Praha, v.v.i.
http://linked.open...dnocenehoVysledku	223163
http://linked.open...ai/riv/idVysledku	RIV/00027022:_____/11:00000161
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Unfolding; High pressure; Allergen; FTIR spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	FTIR spectroscopy Allergen Unfolding High pressure
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[66EA688504C0]
http://linked.open...i/riv/nazevZdroje	European Biophysics Journal
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Inactivation alergens in foods by the high pressure treatment
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	40
http://linked.open...iv/tvurceVysledku	Houška, Milan Smeller, Laszlo Somkuti, Judit
http://linked.open...ain/vavai/riv/wos	000286606700004
issn	0175-7571
number of pages	9 (xsd:int)

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