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Pocan, Pelin; Ilhan, Esmanur; Florek-Wojciechowska, Malgorzata; Masiewicz, Elzbieta; Kruk, Danuta; Oztop, Mecit H.
{ "DOI": "10.1016/j.jfoodeng.2020.110422", "abstract": "H-1 spin-lattice relaxation experiments for gelatin-based candies prepared by different amounts of D-allulose have been performed in the frequency range of 4 kHz-40 MHz. In addition, physical properties such as moisture content and hardness were also measured. Analysis of NMR dispersion profiles showed the presence of two fractions of water: confined and free-water. The relaxation data have been associated with parameters characterizing translation diffusion and rotation of the confined-water molecules and dynamics of the free-water fraction. The translation dynamics has turned out to be about three orders of magnitude slower compared to bulk water; the time scale of the rotational dynamics is similar to that of translation diffusion. Moreover, quantitative analysis of the relaxation data has provided a unique parameter, the number of water molecules undergoing translation dynamics within the confined-water fraction per unit volume. On this basis, the influence of D-allulose on the mechanisms of water motion has been discussed.", "author": [ { "family": "Pocan", "given": " Pelin" }, { "family": "Ilhan", "given": " Esmanur" }, { "family": "Florek-Wojciechowska", "given": " Malgorzata" }, { "family": "Masiewicz", "given": " Elzbieta" }, { "family": "Kruk", "given": " Danuta" }, { "family": "Oztop", "given": " Mecit H." } ], "container_title": "JOURNAL OF FOOD ENGINEERING", "id": "233062", "issued": { "date-parts": [ [ 2021, 1, 1 ] ] }, "title": "Exploring the water mobility in gelatin based soft candies by means of Fast Field Cycling (FFC) Nuclear Magnetic Resonance relaxometry", "type": "article-journal", "volume": "294" }
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