The Effect of Osmotic Dehydration Conditions on the Magnesium Content in Beetroot (Beta vulgaris L.)

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dc.contributor.authorKulczyński, Bartosz
dc.contributor.authorSuliburska, Joanna
dc.contributor.authorGramza-Michałowska, Anna
dc.contributor.authorSidor, Andrzej
dc.contributor.authorKowalczewski, Przemysław Łukasz
dc.contributor.authorBrzozowska, Anna
dc.date.accessioned2025-08-25T06:56:10Z
dc.date.available2025-08-25T06:56:10Z
dc.date.issued2025
dc.descriptionCopyright: © 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
dc.description.abstractOsmotic dehydration is a process involving a two-way mass transfer, during which water and substances dissolved in it are removed from the product and, at the same time, sub-stances dissolved in a hypertonic solution penetrate into the tissues. This process has a significant effect on, among other things, the nutritional and sensory parameters, as well as the texture and shelf life of the dehydrated product. This study analyzed the effect of osmotic dehydration of beet on magnesium content following the addition of various chemical forms of magnesium (magnesium oxide, magnesium citrate, magnesium chlo-ride) to a hypertonic solution. Magnesium was added in concentrations of 2.5 or 5.0% relative to the mass of the solution. The following compounds were used to prepare hy-pertonic solutions (25 and 50%): inulin, xylitol, erythritol, and sucrose. The control sample was water. A significant increase in magnesium content in the dehydrated material was confirmed. This effect was determined by many factors, among which the most important were the chemical form of magnesium, the type of osmotically active substance, magne-sium concentration, and process time. The highest magnesium content was found in sam-ples dehydrated in a 50% inulin solution with a 5.0% addition of magnesium chloride under the following conditions: 120 min/30 °C. It was also demonstrated that osmotically dehydrated samples exhibited approximately 3–5 times lower antioxidant activity in DPPH, ABTS, and ORAC tests.
dc.identifier.citationMolecules 2025, nr 30(14), s. 1-20.
dc.identifier.doihttps://doi.org/10.3390/molecules30143051
dc.identifier.urihttps://hdl.handle.net/11315/31500
dc.language.isoen
dc.publisherLicensee MDPI, Basel, Switzerland.
dc.subjectbeetroot
dc.subjectfood fortification
dc.subjectosmotic dehydration
dc.subjectmagnesium
dc.subjectinulin
dc.subjectantioxidant activity
dc.subject.otherZdrowie
dc.subject.otherDietetyka
dc.subject.otherRolnictwo
dc.titleThe Effect of Osmotic Dehydration Conditions on the Magnesium Content in Beetroot (Beta vulgaris L.)
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