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Water Sorption Isotherm and Drying Characteristics of Tomato Seeds

✍ Scribed by D.S. Sogi; U.S. Shivhare; S.K. Garg; A.S. Bawa

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 122 KB
Volume: 84
Category: Article
ISSN: 1537-5110
DOI: 10.1016/s1537-5110(02)00275-1

No coin nor oath required. For personal study only.

✦ Synopsis

Seeds were separated from tomato waste by sedimentation and dried in cabinet/fluidised bed dryers at 50, 70 and 90 o C using tray load of 4, 8 and 12 kg m À2 . Sorption isotherms were obtained at 30, 40, 50, 60 and 708C by the static method using saturated salt solutions. The Henderson's model described the sorption isotherm, adequately, over the entire temperature range. Drying rates indicated that the drying of tomato seeds took place under the falling rate period and the drying behaviour was well described by Page's model. Dependence of the rate constant on air temperature was described by Arrhenius type relationship.

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