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78190

Usage UV Irradiation for Reducing Fungal Contamination of Loose Nuts in Al Jouf Markets

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Last updated: 22 Jan 2023

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Abstract

Aspergillus flavus, Aspergillus niger, Aspergillus Parasiticus, Aspergillus terreus, and Rhizopus stolonifera were isolated from the seeds' surfaces of loose nuts that are sold in markets of Sakaka city, Saudi Arabia. The ammonia detection experiment showed that isolates of A. flavus, A. parasiticus and A. niger have the ability to release aflatoxins rather than the other isolated species. Loose nuts were exposed to UV wavelengths (240-380 nm) for different times (180, 120, 90, 60, 40, 20 minutes) on both sides of the nut. The highest inhibition rate of fungi growth was 90 minutes at 100%. Also, the heavy metal, as well as the ether contents, were studied both for the preserved and the loose samples to detect the effect of the UV irradiations and the pathogenic microorganism.

DOI

10.21608/eajbsg.2020.78190

Keywords

Aflatoxins, Chemical analysis, Ether extract, Loose nuts, UV irradiations

Authors

First Name

Shaima

Last Name

Moustafa

MiddleName

M.N.

Affiliation

Department of Botany and Microbiology, Faculty of Science, Minia University, El-Minia, 61511, Egypt

Email

shaima.moustafa@yahoo.com

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Orcid

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First Name

Rania

Last Name

Taha

MiddleName

H.

Affiliation

Department of Chemistry, Faculty of Science (Girls), Al-Azhar University, PO box 11754, Yousef Abbas Str., Nasr City, Cairo, Egypt. -Department of Chemistry, College of Science, Jouf University, Sakaka 41412, Saudi Arabia

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Volume

12

Article Issue

1

Related Issue

10332

Issue Date

2020-06-01

Receive Date

2020-01-04

Publish Date

2020-06-01

Page Start

19

Page End

27

Print ISSN

2090-0872

Online ISSN

2090-0880

Link

https://eajbsg.journals.ekb.eg/article_78190.html

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https://eajbsg.journals.ekb.eg/service?article_code=78190

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3

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Original Article

Type Code

689

Publication Type

Journal

Publication Title

Egyptian Academic Journal of Biological Sciences, G. Microbiology

Publication Link

https://eajbsg.journals.ekb.eg/

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Article

Created At

22 Jan 2023