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258307

PREPARATION AND PROPERTIES OF FRUIT WHEY BEVERAGE

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Last updated: 22 Jan 2023

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Abstract

Sweet whey was heated at 71oC for 30 sec. after adding 0.2% stabilizer. Heated whey was divided to three parts, to first part ABT culture (3%) was added without incubation, while the second part was incubated at 45oC after adding the same concentration of ABT culture. The incubation continued until pH reached 4.6±1. The third part considered as control. Fruit juices (30%) mango, guava and strawberry, also 10% sucrose were added to all previous treatments, after which all treatments were stored at refrigerator (7oC ±1) for 10 days. Chemical and microbiological analysis were followed at 0,3,7 and 10 days of storage. Sensory evaluation were done immediately after processing. Results could be summarized as follows: pH-values gradually decreased in all samples during storage. Total solid (T.S) content of beverage with incubated ABT-culture was higher than that other treatments, while it had slightly lower lactose, total protein and calcium content as compared with other treatments. All whey-fruit beverages showed the highest contents of asperity, glutamic, leisure and lysine acids. Changes in vitamins content of all samples due to added fruit-juices.                 Gradually increased during storage in total bacterial content (T.B.C) of all samples. Finally all whey-based beverage had good sensory properties but non-fermentation whey showed higher scores in sensory evaluation test than fermented whey.

DOI

10.21608/jfds.2000.258307

Authors

First Name

M.

Last Name

El- Abd,

MiddleName

M.

Affiliation

Dairy Department, Faculty of Agriculture, Cairo Univ., Giza, Egypt.

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First Name

A.

Last Name

Abeid

MiddleName

M.

Affiliation

Dairy Department, Faculty of Agriculture, Cairo Univ., Giza, Egypt.

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City

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Orcid

-

First Name

A.

Last Name

Ali

MiddleName

O.

Affiliation

Food Technology Institute, Agriculture Research Center, Giza, Egypt.

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Volume

25

Article Issue

1

Related Issue

36559

Issue Date

2000-01-01

Receive Date

2022-09-05

Publish Date

2000-01-01

Page Start

267

Page End

278

Print ISSN

2090-3650

Online ISSN

2090-3731

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https://jfds.journals.ekb.eg/article_258307.html

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https://jfds.journals.ekb.eg/service?article_code=258307

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Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

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

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Article

Created At

22 Jan 2023