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257000

MATHEMATICAL MODEL TO PREDICT KINETICS OF OSMOTIC DEHYDRATION OF BANANAS AND STRAWBERRIES

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Last updated: 04 Jan 2025

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Abstract

The effect of temperature (30°, 40° and 50°C) and sucrose, glucose, and fructose concentrations (40, 50 and 60%) on the osmotic dehydration of bananas and strawberries were studied. It was found that the water loss (WL) and solid gain (SG) were influenced by the temperature, the concentration of the osmotic agent and duration of the osmotic process. The values of WL and SG were higher during osmotic dehydration using glucose and fructose than sucrose solutions. The WL of bananas and strawberries at 60% fructose, 50°C was 40.9% and 40.7% respectively, while at 60% sucrose, 50°C it was 36.95% and 40.02% respectively. The same trend was observed for SG which was 9.85% and 7.05% for fructose solution and 8.44% and 6.87% for sucrose solution under the same previous conditions of concentration and temperature.                 A two-parameters equation was used to predict the kinetics of osmotic dehydration and the final equilibrium point, and this model was found to correlate highly (r2>0.98) with the experimental data of bananas and strawberries.

DOI

10.21608/jssae.2001.257000

Keywords

osmotic dehydration, water loss, Solid gain, Kinetic model, Banana, strawberry

Authors

First Name

H.I.

Last Name

Khalil

MiddleName

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Affiliation

Food Sci. Tech. Dept., Fac. Agric., Ain Shams Univ., Shoubra El-Kheima, Cairo, Egypt

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Volume

26

Article Issue

11

Related Issue

36396

Issue Date

2001-11-01

Receive Date

2001-11-30

Publish Date

2001-11-01

Page Start

7,279

Page End

7,291

Print ISSN

2090-3685

Online ISSN

2090-3766

Link

https://jssae.journals.ekb.eg/article_257000.html

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https://jssae.journals.ekb.eg/service?article_code=257000

Order

5

Type

Original Article

Type Code

889

Publication Type

Journal

Publication Title

Journal of Soil Sciences and Agricultural Engineering

Publication Link

https://jssae.journals.ekb.eg/

MainTitle

MATHEMATICAL MODEL TO PREDICT KINETICS OF OSMOTIC DEHYDRATION OF BANANAS AND STRAWBERRIES

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Article

Created At

22 Jan 2023