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173978

PREVALENCE OF SOME AEROBIC AND ANAEROBIC PSYCHROTROPHS IN VACUUM-PACKED MEAT WITH SPECIAL REFERENCE TO L. MONOCYTOGENES

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Last updated: 23 Jan 2023

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Abstract

Forty samples of four vacuum-packed meat products (ten each of frankfurter, pastrami, rose beef and beef bacon) were collected from different wholesale retail outlets at Cairo and Giza Governorates. The samples were assessed in terms of colour, odour, appearance of released meat juice and pH measurement and examined for psychrotrophic, lactic acid bacteria and anaerobic counts. The mean psychrotrophic counts were 9.4x107 ± 3.8x107, 2.9x108 ± 6.4x1o7 , 1.3x108 ±4x107 and 108 ±3x107/g respectively, while the mean counts for lactic acid bacteria were 1.6x108 ±4.4x 107, 2x108 ± 4.6x107 , 9.1x107±1.4x 107, and 108 ± 3.3x107/g respectively. Also the mean anaerobic counts were 9.7x107 ± 1.8x107, 1.8x108 ±3.2x107, 2.2x 108 ± 4.7x107 and 9.8x107 ±2.3x107/g respectively. Another thirty samples of packed frankfurter, pastrami, rose beef were examined and compared with the aforementioned vacuum frankfurter, pastrami, rose beef products for detection of S.aureus, L. monocytogenes, B. cereus and Cl. perfringens. S. aureus could be detected in vacuum packed frankfurter and beef bacon samples while in resembling packed samples S. aureus and B. cereus could be isolated.

DOI

10.21608/avmj.2010.173978

Keywords

Key Words: Meat products, vacuum-packed meat, Psychrotrophs, L.monocytogenes

Authors

First Name

JEHAN

Last Name

MAHMOUD MAHMOUD OUF

MiddleName

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Affiliation

Dept. of Food Hygiene, Animal Health Research Institute

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Volume

56

Article Issue

126

Related Issue

24342

Issue Date

2010-07-01

Receive Date

2010-05-12

Publish Date

2010-07-01

Page Start

1

Page End

15

Print ISSN

1012-5973

Online ISSN

2314-5226

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https://avmj.journals.ekb.eg/article_173978.html

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https://avmj.journals.ekb.eg/service?article_code=173978

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9

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Journal

Publication Title

Assiut Veterinary Medical Journal

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https://avmj.journals.ekb.eg/

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Article

Created At

23 Jan 2023