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சுருக்கம்

Microwave Convection Drying Characteristics of Beet Root (Beta Vulgaris L.) Using Modeling Equations for Drying

Suman Singh, Kirtiraj Gaikwad, PK Omre and BK Kumbhar

In the present work, an attempt has been made to study the effect of microwave convection drying on the drying characteristics of (Beta vulgaris L.). Beet root was dried at the 7% moisture content level on dry basis. The temperatures selected were 100°C to 150°C and thickness of beet root cube was 10 mm. It was also observed that the beetroot samples obtained from the Microwave convection drying system had lower final moisture content than those obtained from the other system. Two mathematical models, the Page’s and the generalized exponential models, available in the literature were fitted to the experimental data. Curve expert has been used as statistical program for calculation. It shows that both model had approx same & satisfactory value for R2 in all experiment runs and similarly standard errors of estimate are same in both models. The performance of these models is evaluated by comparing the coefficient of determination (R2) and standard error between the observed and predicted moisture ratio.