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- Title
OPTIMIZATION OF THE OSMOTIC DEHYDRATION OF CARROT CUBES IN SUGAR BEET MOLASSES.
- Authors
Mišljenović, Nevena M.; Koprivic, Gordana B.; Pezo, Lato L.; Lević, Ljubinko B.; Ćurčić, Biljana Lj.; Filipović, Vladimir S.; Nićetin, Milica R.
- 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).
- Subjects
SUGAR beets; MOLASSES; CARROTS; DEHYDRATION reactions; OSMOSIS
- Publication
Thermal Science, 2012, Vol 16, Issue 1, p43
- ISSN
0354-9836
- Publication type
Article
- DOI
10.2298/TSCI110808129M