About: Determination of phthalate sum in fatty food by gas chromatography

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.foodchem.2010.06.045
Description	Presented method for determination of sum of phthalates is based on their alkaline hydrolysis to phthalic acid at 80oC for 20h, followed by the selective extraction of lipophilic interferents from acidiﬁed hydro- lysate at pH 1 with n-hexane. Phthalic acid is derivatized to dimethyl hthalate (DMP) with diazomethane in aqueous-chloroform two-phase system. Resulting DMP is absorbed in chloroform and determined by GC-FID. Method calibration resulted in LOD and LOQ of 0.4 (2.1) and 1.2 (6.2)ug/g(nmol/g) DMP,respectively. Real samples of Baltic herring and codﬁsh, butter, pork, goose and duck fats, sunﬂower, olive, rapeseed and linseed oils were analysed and the background corrected total phthalates content was found in the range from not detected level in duck fat to 12.5 (64.3)g/g (nmol/g) in butter,respectively. Presented method for determination of sum of phthalates is based on their alkaline hydrolysis to phthalic acid at 80oC for 20h, followed by the selective extraction of lipophilic interferents from acidiﬁed hydro- lysate at pH 1 with n-hexane. Phthalic acid is derivatized to dimethyl hthalate (DMP) with diazomethane in aqueous-chloroform two-phase system. Resulting DMP is absorbed in chloroform and determined by GC-FID. Method calibration resulted in LOD and LOQ of 0.4 (2.1) and 1.2 (6.2)ug/g(nmol/g) DMP,respectively. Real samples of Baltic herring and codﬁsh, butter, pork, goose and duck fats, sunﬂower, olive, rapeseed and linseed oils were analysed and the background corrected total phthalates content was found in the range from not detected level in duck fat to 12.5 (64.3)g/g (nmol/g) in butter,respectively. (en)
Title	Determination of phthalate sum in fatty food by gas chromatography Determination of phthalate sum in fatty food by gas chromatography (en)
skos:prefLabel	Determination of phthalate sum in fatty food by gas chromatography Determination of phthalate sum in fatty food by gas chromatography (en)
skos:notation	RIV/00216208:11310/11:10069898!RIV12-MSM-11310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	124
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Čabala, Radomír Řimnáčová, Lucie
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	193864
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/11:10069898
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	vegetable oil; fish; dimethylphthalate; phthalic acid; Total phthalates (en)
http://linked.open.../riv/klicoveSlovo	fish vegetable oil Total phthalates dimethylphthalate phthalic acid
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[FAF495B3FDFF]
http://linked.open...i/riv/nazevZdroje	Food Chemistry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	2011
http://linked.open...iv/tvurceVysledku	Čabala, Radomír Blaško, Jaroslav Górová, Renata Kubincová, Janka Kubinec, Róbert Lorenz, Wilhelm Ostrovský, Ivan Řimnáčová, Lucie
http://linked.open...ain/vavai/riv/wos	000282500000056
http://linked.open...n/vavai/riv/zamer	Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0308-8146
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.foodchem.2010.06.045
http://localhost/t...ganizacniJednotka	11310

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