Food and Bioprocess Technology, ( ISI ), Volume (5), No (4), Year (2012-4) , Pages (1305-1316)

Title : ( Preserving Melons by Osmotic Dehydration in a Ternary System Followed by Air-Drying )

Authors: Javad Sargolzaei , Reza Aminzadeh , meghdad abarzani ,

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In this study, we present the kinetics of osmotic dehydration of melons (Tille) in a ternary system along with air-drying for preserving melons in the summer to be used in the winter. The effect of different osmotic solution concentrations 30, 40 and 50% w/w of sucrose with 10% NaCl salt and fruit to solution ratios 1:4, 1:5 and 1:6 on the mass transfer kinetics during osmotic dehydration of Tille in ternary solution sucrose/salt/water along with air-drying were investigated. The effect of processing time on diffusivity of water was studied, which showed the diffusivity of water during air-drying was enhanced after the fruit samples were held in the osmotic solution for appropriate time. The effective water diffusion coefficients were higher than sucrose. Samples non-treated and pre-treated in 60% osmotic solutions and fruit to solution osmotic dehydration 1:4 during one hour were dried in a hot air-dryer at 60oC until equilibrium was achieved.

Keywords

Melon . Osmotic dehydration . Effective diffusion coefficient . Mass transfer kinetics .
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@article{paperid:1019259,
author = {Sargolzaei, Javad and Aminzadeh, Reza and Abarzani, Meghdad},
title = {Preserving Melons by Osmotic Dehydration in a Ternary System Followed by Air-Drying},
journal = {Food and Bioprocess Technology},
year = {2012},
volume = {5},
number = {4},
month = {April},
issn = {1935-5130},
pages = {1305--1316},
numpages = {11},
keywords = {Melon . Osmotic dehydration . Effective diffusion coefficient . Mass transfer kinetics . Air-drying},
}

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%0 Journal Article
%T Preserving Melons by Osmotic Dehydration in a Ternary System Followed by Air-Drying
%A Sargolzaei, Javad
%A Aminzadeh, Reza
%A Abarzani, Meghdad
%J Food and Bioprocess Technology
%@ 1935-5130
%D 2012

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