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165704

CHANGES IN MICROBIOLOGICAL QUALITY AND SAFETY OF VACUUM-PACKED COLD-SMOKED SALMON (Salmo salar) DURING STORAGE

Article

Last updated: 30 Jan 2023

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Abstract

The first aim of this study was to assess the microbiological quality and safety of ten different brand samples of vacuum-packed cold-smoked salmon, CSS (n=50) from supermarkets of two cities in Egypt. The second aim of the current study was to study the changes in the microbiological quality and safety of CSS (Salmo salar) that obtained from one factory located in 10th Ramadan City after their directly production. Samples from the factory were stored at 5 and 0°C and then examined after 0, 7, 14, 21, 28 and 35 days of storage. For all samples, microbiological parameters [total bacterial counts (TBC), total lactic acid bacteria (LAB), lactobacilli count, Pseudomonas group and Enterobacteriaceae count] were performed at the same time. Pathogenic microorganisms (Staphylococcus aureus and Listeria spp.) were examined in all samples. These pathogenic bacteria were not detected in all factory samples tested and during the time of storage. The TBC, LAB, lactobacilli count, Pseudomonas group and Enterobacteriaceae family showed a significant increase with storage time and temperature regimes. Shelf lives of smoked salmon stored at 0 and 5°C were 26 and 8 days, respectively. Lactobacillus spp. and Pseudomonas spp. were dominant in terms of deterioration in quality.

DOI

10.21608/zjar.2021.165704

Keywords

Smoke salmon, safety, quality parameters, microbiological evaluation, Pathogenic microorganisms

Authors

First Name

Aya A. El-Bahnasawy

Last Name

El-Bahnasawy

MiddleName

A.

Affiliation

Agric. Microbiol. Dept., Fac. Agric., Zagazig Univ., Egypt

Email

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City

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Orcid

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First Name

H.

Last Name

Abdelfattah

MiddleName

I.

Affiliation

Agric. Microbiol. Dept., Fac. Agric., Zagazig Univ., Egypt

Email

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City

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Orcid

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First Name

Howaida

Last Name

Abdelbasit

MiddleName

M.

Affiliation

Agric. Microbiol. Dept., Fac. Agric., Zagazig Univ., Egypt

Email

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City

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Orcid

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First Name

S.

Last Name

Mahgoub

MiddleName

A.

Affiliation

Agric. Microbiol. Dept., Fac. Agric., Zagazig Univ., Egypt

Email

mahgoubsamir@gmail.com

City

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Orcid

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Volume

48

Article Issue

1

Related Issue

24117

Issue Date

2021-01-01

Receive Date

2021-04-21

Publish Date

2021-01-01

Page Start

175

Page End

185

Print ISSN

1110-0338

Link

https://zjar.journals.ekb.eg/article_165704.html

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https://zjar.journals.ekb.eg/service?article_code=165704

Order

14

Type

Original Article

Type Code

842

Publication Type

Journal

Publication Title

Zagazig Journal of Agricultural Research

Publication Link

https://zjar.journals.ekb.eg/

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Article

Created At

22 Jan 2023