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| Titel: |
Sorption Isotherms and Drying Characteristics of Tomato Peel Isolated from Tomato Pomace |
| Auteur: |
Kaur, Devinder Wani, Ali Abas Sogi, D. S. Shivhare, U. S. |
| Verschenen in: |
Drying technology |
| Paginering: | Jaargang 24 (2006) nr. 11 pagina's 1515-1520 |
| Jaar: |
2006-11-01 |
| Inhoud: |
Tomato peel was separated from pomace by sedimentation and dried in cabinet and fluidized-bed dryer at 50-70°C using 4-12 kg/m2tray load. The drying of tomato peel took place under the falling rate period and the drying behavior was well described by Page's model with coefficient of determination greater than 0.99 and standard error of 0.003-0.016. A fluidized-bed dryer was much more efficient than a cabinet dryer to dry tomato peel. The moisture adsorption isotherms of tomato peel were obtained by equilibrating above saturated salt solutions of known aw (0.113-0.92) at 20-60°C. The data were analyzed using fifteen sorption models based on coefficient of determination, standard error, and residual plots. Modified Henderson was the best model for tomato peel with coefficient of determination >0.99, standard error <0.210, and a scattered residual plot. The net isostearic heat of sorption, estimated using the Clausius-Clapeyron equation, was 0.74-23.23 kJ/mol at 2.0-2.5% moisture content (dry basis). |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 54 van 60 gevonden artikelen
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