{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T00:59:12Z","timestamp":1771030752130,"version":"3.50.1"},"reference-count":56,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2024,7,13]],"date-time":"2024-07-13T00:00:00Z","timestamp":1720828800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Eggs are a valuable source of nutrients, but they represent a food safety risk due to the presence of microbes. In this work, three types of egg liquids (albumen, yolk and whole egg) previously contaminated with E. coli were treated with ultrasound (US) and a combination of ultrasound and low (55 \u00b0C) temperature (US+H). The US treatment parameters were 20 and 40 kHz and 180 and 300 W power and a 30, 45 or 60 min treatment time. The ultrasonic treatment alone resulted in a reduction in the microbial count of less than 1 log CFU, while the US+H treatment resulted in a reduction in CFU counts to below detectable levels in all three egg liquids. Heat treatment and ultrasound treatment had a synergistic effect on E. coli reduction. For all measurements, except for the whole egg samples treated with US, the 20 kHz treated samples showed a significantly (&gt;90% probability level) lower bactericidal effect than the 40 kHz treated samples. PCA and aquaphotometric analysis of NIR spectra showed significant differences between the heat-treated groups\u2019 (H and US+H) and the non-heat-treated groups\u2019 (US and control) NIR spectra. LDA results show that heat-treated groups are distinguishable from non-heat-treated groups (for albumen 91% and for egg yolk and whole egg 100%).<\/jats:p>","DOI":"10.3390\/s24144547","type":"journal-article","created":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T14:15:49Z","timestamp":1721052949000},"page":"4547","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Comparison of the Bactericidal Effect of Ultrasonic and Heat Combined with Ultrasonic Treatments on Egg Liquids and Additional Analysis of Their Effect by NIR Spectral Analysis"],"prefix":"10.3390","volume":"24","author":[{"given":"D\u00e1vid","family":"Nagy","sequence":"first","affiliation":[{"name":"Department of Food Measurement and Process Control, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Soml\u00f3i \u00fat 14-16., H-1118 Budapest, Hungary"}]},{"given":"Tam\u00e1s","family":"Zsom","sequence":"additional","affiliation":[{"name":"Department of Postharvest, Supply Chain, Commerce and Sensory Science, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, M\u00e9nesi \u00fat 43-45., H-1118 Budapest, Hungary"}]},{"given":"Andrea","family":"Taczman-Br\u00fcckner","sequence":"additional","affiliation":[{"name":"Department of Food Microbiology, Hygiene and Safety, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Soml\u00f3i \u00fat 14-16., H-1118 Budapest, Hungary"}]},{"given":"Tam\u00e1s","family":"Somogyi","sequence":"additional","affiliation":[{"name":"Department of Food Measurement and Process Control, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Soml\u00f3i \u00fat 14-16., H-1118 Budapest, Hungary"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7048-9767","authenticated-orcid":false,"given":"Vikt\u00f3ria","family":"Zsom-Muha","sequence":"additional","affiliation":[{"name":"Department of Food Measurement and Process Control, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Soml\u00f3i \u00fat 14-16., H-1118 Budapest, Hungary"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5445-3377","authenticated-orcid":false,"given":"J\u00f3zsef","family":"Felf\u00f6ldi","sequence":"additional","affiliation":[{"name":"Department of Food Measurement and Process Control, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Soml\u00f3i \u00fat 14-16., H-1118 Budapest, Hungary"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1108\/00346651011043961","article-title":"The nutritional properties and health benefits of eggs","volume":"40","author":"Ruxton","year":"2010","journal-title":"Nutr. 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