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15998

APPLIED STUDY OF MICROBIOLOGICAL HAZARDS IN RAW MILK SOFT WHITE CHEESE IN EGYPT

Article

Last updated: 22 Jan 2023

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Abstract

Raw milk Domiati cheese is the main soft white pickled cheese produced in Egypt. The objective of this study was to assess the microbiological hazards, physiochemical quality and safety of some raw Domiati cheese subtypes including Double Cream, Tallaga, Baramely and Istanbully. The cheese samples were randomly collected from different cheese retailers in Cairo. The results indicated that the protein content and fat content were high in Double cream cheese. The pH value was low in Baramely cheese. Total solid, ash, and EC were high in Istanbully cheese because it is high salt level. Also, results indicated high microbiological hazards. the cheese samples were highly contaminated, having microbial load exceeding the acceptable limits such as: Total bacterial count, Total coliform, Fecal E. coli and yeast & molds. Pathogenic bacteria (Staphylococcus aureus, E. coli O157:H7, Salmonella sp., Shigella sp., Listeria monocytogenes, Bacillus cereus and Campylobacter jejuni) were detected in three cheese samples.  Except Istanbully cheese sample were found free of most pathogenic bacteria.  A high microbial load of the cheese samples present a public health hazard to the consumers and emphasize the need for improving hygienic standard. Microbiological hazards must be limited to the stander limit of food safety. Raw milk soft white cheese must be manufactured according to hygienic standard.

DOI

10.21608/ajs.2018.15998

Keywords

Raw milk soft white cheese, Domaiti cheese, Pathogenic bacteria, Microbiological hazards

Authors

First Name

Maha

Last Name

Lotfy

MiddleName

F.

Affiliation

Agricultural Microbiology Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt

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Orcid

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First Name

O.

Last Name

Aita

MiddleName

A.

Affiliation

Food Science Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt

Email

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City

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Orcid

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First Name

Enas

Last Name

Hassan

MiddleName

A.

Affiliation

Agricultural Microbiology Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt

Email

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City

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Orcid

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First Name

Azhar

Last Name

Elsayed

MiddleName

A.

Affiliation

Agricultural Microbiology Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt

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Orcid

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Volume

26

Article Issue

2

Related Issue

3389

Issue Date

2018-09-01

Receive Date

2017-08-01

Publish Date

2018-09-01

Page Start

657

Page End

666

Print ISSN

1110-2675

Online ISSN

2636-3585

Link

https://ajs.journals.ekb.eg/article_15998.html

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https://ajs.journals.ekb.eg/service?article_code=15998

Order

20

Type

Original Article

Type Code

668

Publication Type

Journal

Publication Title

Arab Universities Journal of Agricultural Sciences

Publication Link

https://ajs.journals.ekb.eg/

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Article

Created At

22 Jan 2023