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Studies on Beneficial Yeasts Isolated from Some Egyptian Dairy Products

Article

Last updated: 03 Jan 2025

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Subjects

-

Tags

Animal Health, Nutrition and Food Control (Veterinary Public Health, Animal Wealth Development, Animal Nutrition, Zoonoses, Food Control)

Abstract

 
Yeasts constitute large groups of microorganisms that are recently attracting attention of industry and scientists. Different biological activities make them favorable candidates for numerous applications not limited to the food sector. The aim of this study was to examine beneficial yeasts associated with some traditional Egyptian dairy products and to evaluate their microbiological and technological properties. One hundred samples of locally produced yoghurt, Kariesh, Domiatti and Mish cheeses were collected from different localities at Sharkia Governorate, Egypt. Seventy-seven (77%) of the examined samples were positive for the presence of yeasts. Kariesh cheese had the highest total yeast count compared with other examined dairy products. From these positive samples, a total of 154 yeast isolates were screened for their antibacterial activities against the common foodborne pathogens (Staphylococcus aureus and Escherichia coli). Yeast isolates showing highest antibacterial activity were identified and then investigated for some technological properties (growth ability at different temperature, low pH and different NaCl conditions). Only 30 strains corresponding to Saccharomyces cerevisiae, Debaryomyces hansenii and Candida zeylanoides were found to be effective against S. aureus and/ or E. coli strains. These strains have also technological properties that allow them attractive for use in food industry and for further evaluation.

DOI

10.21608/zvjz.2016.7834

Keywords

yeasts, antimicrobial activity, probiotic, Technological properties

Authors

First Name

Samah

Last Name

AbdElatif

MiddleName

-

Affiliation

Food control Department, Faculty of Veterinary Medicine, Zagazig University,44511, Egypt

Email

dokmoha2010@yahoo.com

City

-

Orcid

-

First Name

Magdy

Last Name

Elsayed

MiddleName

-

Affiliation

Food control Department, Faculty of Veterinary Medicine, Zagazig University,44511, Egypt

Email

-

City

-

Orcid

-

First Name

Ali

Last Name

Bahout

MiddleName

-

Affiliation

Food control Department, Faculty of Veterinary Medicine, Zagazig University,44511, Egypt

Email

-

City

-

Orcid

-

First Name

Mohamed

Last Name

Bayoumi

MiddleName

-

Affiliation

Food control Department, Faculty of Veterinary Medicine, Zagazig University,44511, Egypt

Email

-

City

-

Orcid

-

Volume

44

Article Issue

1

Related Issue

1524

Issue Date

2016-03-01

Receive Date

2018-06-06

Publish Date

2016-03-01

Page Start

75

Page End

84

Print ISSN

1110-1458

Online ISSN

2357-075X

Article File

ZVJZ_Volume 44_Issue 1_Pages 75-84.pdf

PDF . 470.1kB

Link

https://zvjz.journals.ekb.eg/article_7834.html

Detail API

https://zvjz.journals.ekb.eg/service?article_code=7834

Order

9

Type

Original Article

Type Code

601

Publication Type

Journal

Publication Title

Zagazig Veterinary Journal

Publication Link

https://zvjz.journals.ekb.eg/

MainTitle

Studies on Beneficial Yeasts Isolated from Some Egyptian Dairy Products

Details

Type

Article

Created At

22 Jan 2023