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https://open.uns.ac.rs/handle/123456789/13078
Title: | Optimization of the osmotic dehydration of carrot cubes in sugar beet molasses | Authors: | Mišljenović, Nevena Koprivica, Gordana Pezo, Lato Lević, Ljubinko Lončar (Ćurčić), Biljana Filipović, Vladimir Nićetin, Milica |
Issue Date: | 2012 | Publisher: | Belgrade: VINČA Institute of Nuclear Sciences | Journal: | Thermal Science | Abstract: | A response surface methodology approach was used to determine optimum conditions for the osmotic dehydration of carrot cubes in sugar beet molasses. Treatment times were set to 1, 3, and 5 hours, at tempertures of 45, 55, and 65 °C and molasses concentrations were 40, 60, and 80% (w/w). The used responses variables were: dry matter, water loss, solid gain, and water activity. A Box et al. fractional factorial design (2 level-3 parameter with 15 runs (1 block) was used for design of the experiment. Dry matter, water loss, and solid gain were significantly affected by all process variables (at 90-95% confidence level). The optimum conditions were determined by superimposing the contour plots, with the following response limiting values: dry matter 50-60%, water loss 0.7-0.8, solid gain 0.08-0.09, and water activity 0.84-0.86. The optimum conditions generated were: treatment time of 4 hours, temperature of 60 °C, and sugar concentration of 66% (w/w). | URI: | https://open.uns.ac.rs/handle/123456789/13078 | ISSN: | 03549836 | DOI: | 10.2298/TSCI110808129M |
Appears in Collections: | TF Publikacije/Publications |
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