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Freeze- drying of carrot slices in diverse thicknesses
(2021) Acar, Bahadır; Dagdeviren, Abdullah; Janaani, Ahmed; Roshanaei, Khandan; TaskeŞen, Edip; Ongun, Göknur K.; Özkaymak, Mehmet
In this paper we dried carrots by the method of freeze-drying. The carrots had cut into slices; then\rdivided in halves. The mass looses of samples sized. The mass losses measured and recorded during the\rprocess. The sections were in 5 mm and 7 mm. Slices were dried with SCANVAC COOLSAFE. The masses of\rthe carrot slices differed also in each unit with the same mass and shape varied. Our team did the drying\rprocedures every two hours, also the experiment was applied at different temperatures. While evaluating\rthe number of carrot slices as samples for freeze-dried observed that, dried samples amount were 5\rtimes less than the number of carrots before drying. The procedure was applied to 10 different\rmathematical models using the MATLAB program. The error analysis of the models at the result made by\rusing the root-mean-square error (RMSE), chi-square (X2) and regression coefficients (R2). According to\rthe results, it was sdetermined that the results of the Page model were closer as the experimental results\rbe compared to other models. The statistical error values of samples for R2, RMSE respectively were\r0.018565707 for 5 mm and 0.019532936 for 7 mm