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ANALIZA AKRILAMIDA UPLC MS/MS TEHNIKOM

ACRYLAMIDE ANALYSIS WITH UPLC MS / MS TECHNIQUE
Authors: Vučenović, Marina; Dubrović, Igor; Salać Nataša; Mićović, Vladimir; Mrakovčić-Šutić, Ines; Brčić Karačonji, Irena; Šutić, Ivana; +1 Authors

ANALIZA AKRILAMIDA UPLC MS/MS TEHNIKOM

Abstract

Akrilamid je molekula male molarne mase korištena kao industrijsko kemijski reagens. Poliakrilamid iz plastike degradira u akrilamid u prisutnosti sunčeve svjetlosti, željezo III iona, UV radijacije, povišene temperature te dezinfekcije. Jedan od izvora akrilamida je i dim cigarete. U hrani nastaje Maillardovim reakcijama pri čemu je aspargin glavni prekursor akrilamida. Akrilamid u uzorcima vode i hrane detektira se UPLC MS/MS tehnikom. Izazov u analizi predstavljaju pročišćavanje i ekstrakcija uzorka. Dokazano je da kalcijevi i magnezijevi ioni sprečavaju formiranje akrilamida. Optimalno vrijeme ekstrakcije je 20 min jer se nakon toga razvijaju sekundarni spojevi slične molarne mase koji koeluiraju s akrilamidom. Nedetektirane komponente matriksa mogu reagirati s primarno formiranim ionima na UPLC MS/MS te tada dolazi do lažno smanjenog ili povećanog odziva. Stoga se koristi interni standard. U uzorcima pitke vode uglavnom je dokazano odsustvo akrilamida, dok se u uzorcima hrane pronalaze koncentracije sukladne svojstvima i načinu obrade određene namirnice. Generirane podatke je moguće koristiti u biomonitoringu metabolita akrilamida. Indikator izloženosti akrilamidu je acetamidometilmerkapturat kojeg je takoder moguce analizirati UPLC MS/MS tehnikom. Rad je napravljen u sklopu znanstveno-istraživačkih projekata Sveučilišta u Rijeci: uniri-biomed- 18-146 1292 i uniri-biomed-18-220-6107.

Country
Croatia
Keywords

Akrilamid, UPLC MS/MS, Monitoring, Ekstrakcija, Hrana

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green