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izvor podataka: crosbi

Free radical detection in water after processing by means of high voltage electrical discharges and high power ultrasound (CROSBI ID 287520)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Režek Jambrak, Anet ; Ojha, Shikha ; Šeremet, Danijela ; Nutrizio, Marinela ; Maltar‐Strmečki, Nadica ; Valić, Srećko ; Gajdoš Kljusurić, Jasenka ; Tiwari, Brijesh Free radical detection in water after processing by means of high voltage electrical discharges and high power ultrasound // Journal of food processing and preservation, 45 (2020), 2; e15176, 15. doi: 10.1111/jfpp.15176

Podaci o odgovornosti

Režek Jambrak, Anet ; Ojha, Shikha ; Šeremet, Danijela ; Nutrizio, Marinela ; Maltar‐Strmečki, Nadica ; Valić, Srećko ; Gajdoš Kljusurić, Jasenka ; Tiwari, Brijesh

engleski

Free radical detection in water after processing by means of high voltage electrical discharges and high power ultrasound

Nonthermal processing technologies have been researched in lab scale for more than 15 years. In this study, the influence of sonification and high voltage electrical discharge—plasma treatment of water on the formation and stabilization of hydroxyl radicals has been investigated by electron paramagnetic resonance (EPR) spectroscopy and spin‐trapping method. As analysis tool, an agglomerative hierarchical clustering was used in grouping samples recorded by EPR and near infrared spectroscopy (NIR) spectroscopy. Also, the multivariate analysis was performed using the principal component analysis (PCA) and Principal Regression models (PCR). Results for ultrasound‐treated samples showed that number of radicals is increasing with treatment time and increase in amplitude. High‐ voltage electrical discharge treatment at 120 Hz resulted in the formation of the largest number of hydroxyl radicals. Developed PCR models are highly effective in prediction of NIR spectra, regardless the sample treatment what is an additional step forward in green technology.

Free radical ; EPR ; high voltage electrical discharges ; high power ultrasound

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Podaci o izdanju

45 (2)

2020.

e15176

15

objavljeno

0145-8892

1745-4549

10.1111/jfpp.15176

Povezanost rada

Fizika, Kemija, Prehrambena tehnologija

Poveznice
Indeksiranost