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A Simple HS-SPME/GC-MS Method for Determination of Acrolein from Sourdough to Bread (CROSBI ID 270474)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Drakula, Saša ; Novotni, Dubravka ; Čukelj Mustač, Nikolina ; Voučko, Bojana ; Krpan, Marina ; Hruškar, Mirjana ; Ćurić, Duška A Simple HS-SPME/GC-MS Method for Determination of Acrolein from Sourdough to Bread // Food analytical methods, 12 (2019), 11; 2582-2590. doi: 10.1007/s12161-019-01612-6

Podaci o odgovornosti

Drakula, Saša ; Novotni, Dubravka ; Čukelj Mustač, Nikolina ; Voučko, Bojana ; Krpan, Marina ; Hruškar, Mirjana ; Ćurić, Duška

engleski

A Simple HS-SPME/GC-MS Method for Determination of Acrolein from Sourdough to Bread

Acrolein is a toxic compound present in food. It can be formed by bacterial species isolated from sourdough or applied as sourdough starter cultures, such as Lactobacillus reuteri. To the best of our knowledge, the content of acrolein in sourdough bread has not yet been determined, neither has a method for its quantification in such a sample been published. The aim of this study was to develop and validate a simple method for determining acrolein in sourdough, batter, and bread by headspace solid-phase microextraction combined with gas chromatography–mass spectrometry. The selected conditions for acrolein extraction were temperature 40 °C and time 20 min. A significant effect of the matrix on acrolein signal was observed. Linearity and precision were achieved within the examined range for all evaluated matrices. The obtained limits of detection and quantification were 1.21 μg/kg of sample and 4.05 μg/kg of sample, respectively. The acrolein solution with the addition of 0.2% hydroquinone was stable for 48 h. The developed method was applied for the quantification of acrolein in gluten-free sourdough (with L. reuteri DSM 20016 or L. brevis DSM 20054 as a starter culture), and batter and bread with or without added sourdough. Acrolein was not detected in the samples prepared without L. reuteri DSM 20016. Acrolein content in bread prepared with L. reuteri DSM 20016 sourdough was 161 μg/kg, which is below the WHO provisional tolerable concentration, but its consumption would significantly contribute to the overall acrolein exposure.

Acrolein ; Lactobacillus reuteri ; Sourdough bread ; SPME ; GC-MS ; Validation

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Podaci o izdanju

12 (11)

2019.

2582-2590

objavljeno

1936-9751

1936-976X

10.1007/s12161-019-01612-6

Povezanost rada

Prehrambena tehnologija

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