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Moisture sorption isotherms and isosteric heat of sorption of dry persimmon leaves

Paper ID Volume ID Publish Year Pages File Format Full-Text
19750 43124 2014 7 PDF Available
Title
Moisture sorption isotherms and isosteric heat of sorption of dry persimmon leaves
Abstract

Moisture sorption isotherms of persimmon leaves were determined at 20, 30 and 40 °C using the standard gravimetric static method over a range of relative humidity from 0.06 to 0.9. The experimental sorption curves were fitted by seven equations: Henderson, Halsey, Smith, Oswin, BET, GAB and Caurie. The Halsey, Smith, GAB and BET models were found to be the most suitable for describing the sorption curves. The isosteric heat of sorption of water was determined from the equilibrium data at different temperatures. It decreased as moisture content increased and was found to be a polynomial function of moisture content.

Keywords
Persimmon leaves; Equilibrium moisture content; Isosteric heat of sorption; Modeling; Sorption isotherms
First Page Preview
Moisture sorption isotherms and isosteric heat of sorption of dry persimmon leaves
Publisher
Database: Elsevier - ScienceDirect
Journal: Food Bioscience - Volume 7, September 2014, Pages 88–94
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering