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97116

RHEOLOGICAL PROPERTIES OF DATE JUICE CONCENTRATE (DIBS) DURING EVAPORATION PROCESS

Article

Last updated: 26 Dec 2024

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Subjects

-

Tags

Processing Engineering of Agricultural Products

Abstract

Date concentrate was obtained under vacuum using rotary evaporator by heating the date extract (19%) until it reaches (70%). Samples were collected during process until the end of process The rheological properties of Date juice concentrate were studied using Brookfield Rheometer (DV III ultra) at different temperatures (30, 40, 50 and 60°C),concentrations (30, 40, 50 and 60%) and shear rates (9.3– 93 s-1). Shear rate - shear stress data indicated that all samples exhibited non-Newtonian pseudoplastic behavior.Dependence of apparent viscosity on temperature was related through the Arrhenius law. Effect of concentration on apparent viscosity was also studied and fitted well to power law.

DOI

10.21608/mjae.2017.97116

Keywords

Rheological properties, Date Juice Concentrate, Flow Behavior, Activation energy

Authors

First Name

Omnia

Last Name

Salama

MiddleName

E.

Affiliation

Food Engineering and Packaging, Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

Email

-

City

-

Orcid

-

First Name

Manal

Last Name

Sorour

MiddleName

A.

Affiliation

Food Engineering and Packaging, Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Mostafa

MiddleName

M.

Affiliation

Agriculture Engineering Department, Faculty of Agriculture, Ain Shams University., Egypt.

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Elnono

MiddleName

A.

Affiliation

Agriculture Engineering Department, Faculty of Agriculture, Ain Shams University., Egypt.

Email

-

City

-

Orcid

-

Volume

34

Article Issue

1

Related Issue

14623

Issue Date

2017-01-01

Receive Date

2020-06-20

Publish Date

2017-01-01

Page Start

317

Page End

330

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 34_Issue 1_Pages 317-330.pdf

PDF . 789.6kB

Link

https://mjae.journals.ekb.eg/article_97116.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=97116

Order

18

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

RHEOLOGICAL PROPERTIES OF DATE JUICE CONCENTRATE (DIBS) DURING EVAPORATION PROCESS

Details

Type

Article

Created At

23 Jan 2023