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Effect of drying conditions on rehydration kinetics of microwave dried spinach

Paper ID Volume ID Publish Year Pages File Format Full-Text
19348 43061 2008 7 PDF Available
Title
Effect of drying conditions on rehydration kinetics of microwave dried spinach
Abstract

In the present work, it was aimed to understand the effect of drying conditions (microwave output powers and sample amounts) and rehydration temperature on rehydration kinetics of microwave dried spinach. To determine the kinetic parameters, the rehydration data were fitted to two models, Peleg's and Weibull model. Between these two models proposed, Peleg's model gave a better fit for all rehydration conditions applied. The relationships between the kinetic rate constant of the Peleg's model and the ratio of microwave output power to sample amount; and equilibrium moisture content and the ratio of microwave output power to sample amount were estimated; and gave exponential equations. On the other hand, the activation energy for rehydration kinetic was also calculated using Arrhenius equation and found as 23.84 kJ mol−1.

Keywords
Spinach; Rehydration kinetic; Peleg's model; Weibull model; Activation energy
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Effect of drying conditions on rehydration kinetics of microwave dried spinach
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 86, Issue 4, December 2008, Pages 235–241
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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Any Questions? feel free to contact us