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259464

PRODUCTION OF INSTANT ORANGE JUICE POWDER BY FOAM-MAT DRYING

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Last updated: 22 Jan 2023

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Abstract

This study aims to introduce an instant baladi orange juice powder, which could be industrially processed and consumed allover the year as the production of this fruit is very huge. In this study powder was prepared by the foam mat drying method. The obtained results revealed that total soluble solids (T.S.S.) content of fresh Baladi orange juice was about 12% including 10.2% total sugars, 1.11% total acidity and about 55 mg/100 gm ascorbic acid. The reducing sugars content represented about 51.07% of the total sugars. It was also concluded that through this investigation the fresh orange juice concentrated by rotary evaporator (at 40°C and 28 Hg) to 20% T.S.S. resembled the fresh Baladi orange juice. The obtained data also revealed that 0.8 to 1.5% of added albumin was the best concentration for foaming. It was proved that adding 0.5% carboxy methyl cellulose was very suitable for improving the foaming state. Concerning the organoleptic evaluation, it could be noticed that the juice concentrated by rotary evaporator was better as compared to that concentrated by the same method after adding sucrose.

DOI

10.21608/jfds.2000.259464

Keywords

foam, powder, Drying, juice, Orange

Authors

First Name

K.

Last Name

Hamad,

MiddleName

I.

Affiliation

Food Technology and Dairy Sci. Dept., National Res. Centre, Dokki, Giza, Egypt.

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First Name

Hammat,

Last Name

Matuk

MiddleName

I.

Affiliation

Food Technology Research Institute, Agric. Res. Center, Giza, Egypt.

Email

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City

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Orcid

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First Name

F.

Last Name

El-Ashwah

MiddleName

A.

Affiliation

Food Technology Research Institute, Agric. Res. Center, Giza, Egypt

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Orcid

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Volume

25

Article Issue

8

Related Issue

36681

Issue Date

2000-08-01

Receive Date

2022-09-13

Publish Date

2000-08-01

Page Start

5,187

Page End

5,194

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_259464.html

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https://jfds.journals.ekb.eg/service?article_code=259464

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6

Type

Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

Publication Link

https://jfds.journals.ekb.eg/

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Article

Created At

22 Jan 2023