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American Journal of Food Technology

Year: 2011  |  Volume: 6  |  Issue: 10  |  Page No.: 945 - 950

Sorption Behaviour of Rapeseed (Toria)

Raj Kumar, S. Jain, M.K. Garg and A.K. Dixit

Abstract

Sorption isotherms of rapeseed (Toria) var. viz. TL-15, TH-68 and Sangam were evaluated at 30, 50 and 70°C using the standard static salt solutions method. Sigmoid trends were observed for isotherms sowing a clear effect of temperature. Four mathematical models, i.e., modified Henderson; modified Chung-Pfost; modified Halsey and modified Oswin were fitted for their ability to best fit experimental data on the basis of coefficient of determination. The equilibrium moisture content curves were obtained, both experimentally and by fitting the selected models to the experimental data. Modified Henderson model was found to give the best fit (R2 = 0.99) for describing the experimental data.

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