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81729

INFLUENCE OF SOME ADDITIVES ON THE PROPERTIES OF FLAVORED WITH FRUIT PROBIOTIC FERMENTED MILK

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Last updated: 22 Jan 2023

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Abstract

The effect of Glucon Delta-Lactone (GDL), disrupted Saccharomyces cerevisiae   cells after freezing (DSCAF) and   yeast extract (YE) on the  properties of flavored  with fruit probiotic  fermented milk was investigated. The obtained results revealed that 5% of DSCAF activated the bacterial growth more than other additives. Therefore, it was selected to make fermented milk from UF retentate of cows' milk (14 % T.S.) with 3% ABT – 4 culture. This additive accelerated the fermentation time throughout 2 hours, but GDL (0.4%) and YE (0.4%) reduced the fermentation time an hour. The addition of 5% of mango or strawberries pulp slightly decreased the fermentation time and partly decreased rheological quality. However, the counts of probiotic bacteria increased to more than the minimum therapeutic dose and mold and yeast were affected in the presence of DSCAF (5%). These organisms were detected on the seventh day of cold storage and had limited numbers.  This result was confirmed when the growth of Aspergillus  niger and Aspergillus flaveus reduced  in the presence of  DSCAF (5%), Aspergillus  niger grew only 2.2cm while Aspergillus flaveus scored2.6 cm growth zone.

DOI

10.21608/jfds.2012.81729

Keywords

Fermented milk, probiotic bacteria, Saccharomyces cerevisiae Glucono-Delta-Lactone (GDL), yeast extract

Authors

First Name

I.

Last Name

Abou Ayana

MiddleName

A.

Affiliation

Dept. of Dairy Res., Food Technology Res. Inst. Agric. Res. Center, Giza, Egypt

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First Name

A.

Last Name

Gamal El Deen

MiddleName

A.

Affiliation

Dept. of Dairy Res., Food Technology Res. Inst. Agric. Res. Center, Giza, Egypt

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Orcid

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First Name

K.

Last Name

Ayaad

MiddleName

M. K.

Affiliation

Dairy Tech. Res. Dept., Animal Production Res. Inst. Agric. Res. Center, Giza, Egypt

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Volume

3

Article Issue

12

Related Issue

12310

Issue Date

2012-12-01

Receive Date

2020-04-11

Publish Date

2012-12-01

Page Start

623

Page End

635

Print ISSN

2090-3650

Online ISSN

2090-3731

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https://jfds.journals.ekb.eg/article_81729.html

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https://jfds.journals.ekb.eg/service?article_code=81729

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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