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Type: Artigo de periódico
Title: Influence of process conditions on the mass transfer kinetics of pulsed vacuum osmotically dehydrated mango slices
Author: Ito, AP
Tonon, RV
Park, KJ
Hubinger, MD
Abstract: The pulsed vacuum osmotic dehydration of mango slices was studied using a 2(5-1) fractional factorial design. The process responses were water loss, solids gain, water activity, and the effective diffusivities of the water or solids. Statistical analyses revealed that temperature and solution concentration were significant for all the responses studied. Vacuum time was significant for solids gain and the effective diffusivity of water. Diffusion coefficients were determined using an analytical solution of Fick's unidirectional diffusion equation for flat plates, showing a good fit to the experimental data. Osmotic recirculation and vacuum pressure had no effect on any of the responses studied.
Subject: concentration
effective diffusivity fractional
factorial design
pulsed vacuum
Country: EUA
Editor: Taylor & Francis Inc
Citation: Drying Technology. Taylor & Francis Inc, v. 25, n. 10, n. 1769, n. 1777, 2007.
Rights: fechado
Identifier DOI: 10.1080/07373930701593263
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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