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175994

THE OCCURRENCE OF CERTAIN ELEMENTS IN MILK AND SOME DAIRY PRODUCTS 3- EFFECT OF STORAGE PERIOD ON THE DISTRIBUTION OF ZN, FE, CD AND PB IN SOFT CHEESE AND STORED WHEY

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Last updated: 04 Jan 2025

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Abstract

The effect of storage period on the distribution of Zn, Fe, Cd, and Pb in soft cheese and respective storage whey was investigated. The level of above elements in whole milk were 4.168, 2.084, 0.434, and 0.326 ppm respectively, while the resultant soft cheese contained 17.424, 4.280, 1.540 and 1.275 ppm of Zn, Fe, Cd and Pb respectively. The fresh whey characterized with levels of 2.055, 0.218, 0.157 and 0.085 for the examined elements in the same respect. During storage period up to 60 days the levels of the foregoing elements are changed in the both cheese and storage whey. The concentration of these elements was decreased in cheese after 15 days of storage and the lowest value was found in cheese stored for 60 days. Vice versa in storage whey, the levels, of these elements are increased and the highest values obtained after 60 days of storage. Defatted curd made from skim milk contained 4.11, 2.03, 0.445 and 0.333 ppm of Zn, Fe. Cd and Pb respectively. The obtained fresh cheese and whey were characterized with 20.64, 10.227, 1.990&1.573 and 0.744, 0.358, 0.133& 0.076 ppm of the above elements respectively. The behavior of investigated elements in defatted curd and respective whey during storage period up to 60 days the same as in full cream cheese in the case of Zn and Fe, while the values of both of Cd and Pb showed an increase by prolongation of storage period. It was concluded that the investigated elements had different distributions in both cheese and whey and in soft cheese and defatted curd.

DOI

10.21608/ejar.2011.175994

Authors

First Name

MOHAMED A.

Last Name

MOHRAN

MiddleName

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Affiliation

Dairy Department, Faculty of Agriculture, Assiut University, Assiut, Egypt.

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First Name

SHAKER M.

Last Name

EL-GENDY

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Affiliation

Dairy Department, Faculty of Agriculture, Assiut University, Assiut, Egypt.

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First Name

ALY I.

Last Name

SAID

MiddleName

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Affiliation

Special Food Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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First Name

TAREK H.

Last Name

MOHAMED

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Affiliation

Special Food Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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Volume

89

Article Issue

2

Related Issue

25325

Issue Date

2011-07-01

Receive Date

2010-08-02

Publish Date

2011-07-01

Page Start

665

Page End

672

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_175994.html

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https://ejar.journals.ekb.eg/service?article_code=175994

Order

19

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Original Article

Type Code

1,041

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Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

THE OCCURRENCE OF CERTAIN ELEMENTS IN MILK AND SOME DAIRY PRODUCTS 3- EFFECT OF STORAGE PERIOD ON THE DISTRIBUTION OF ZN, FE, CD AND PB IN SOFT CHEESE AND STORED WHEY

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Article

Created At

22 Jan 2023