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Title

Potential of Aflatoxin Production in Aspergillus Section Flavi Isolates of Pistachio in Iran

فصلنامه تغذیه، روزه داری و سلامت، دوره: 8، شماره: 4
Year: 1399
COI: JR_JNFH-8-4_005
Language: EnglishView: 127
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Authors

Mehdi Mohammadi Moghadam - Plant Protection Research Department, Agricultural and Natural Resources Research and Education Center of Semnan Province (Shahrood), AREEO, Shahrood, Iran
Saeed Rezaee - Department of Plant Pathology, College of Agriculture Science and Food Industries, Islamic Azad University, Science and Research Branch, Tehran, Iran
Amir Hossein Mohammadi - Pistachio Research Centre, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rafsanjan, Iran
Hamid Reza Zamanizadeh - Department of Plant Pathology, College of Agriculture Science and Food Industries, Islamic Azad University, Science and Research Branch, Tehran, Iran
Mohammad Moradi - Pistachio Research Centre, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rafsanjan, Iran
Seyed Reza Fani - Plant Protection Research Department, Yazd Agricultural and Natural Resources Research and Education Centre, AREEO, Yazd, Iran

Abstract:

Introduction: Aflatoxin analysis shows that Aspergillus section Flavi strains include mixtures of strains that are highly toxic to human with high level of aflatoxins while some others produce moderate level of aflatoxins and also there are nontoxigenic strains. Methods: To determine the aflatoxin producing abilities of Aspergillus section Flavi isolates in pistachio orchards, 180 pistachio nut samples were collected and fungal isolation was performed by Aspergillus Flavus and Parasiticus Agar (AFPA) medium. Distinct colony morphology in Coconut Agar Medium (CAM), Yeast Extract Sucrose (YES) medium supplemented with Methyl-β-cyclodextrin, and Sodium Low Salt (SLS) medium were used for distinguishing and screening between toxigenic and atoxigenic isolates. Toxigenicity and aflatoxins production level of isolates assayed by thin layer chromatography (TLC). Results: One hundred and twenty isolates of various parts of the pistachio growing areas belonging to Aspergillus section Flavi was identified by AFPA. Out of 120 isolates, 89.15% were able to produce one or several types of aflatoxins while in 10.83% isolates there was no toxin production. Of isolates investigated in this study, 14.16% of total produced aflatoxins  were  B1, B2, G1, and G2, whereas 10.83% of the isolates produced B1, B2, and G1, 34.16% of the isolates produced B1 and B2, and only 30% of the isolates were able to produce B1 type aflatoxin. Generally, aflatoxin production between toxigenic isolates was in different ranges from 39-21548, 37-8432, 97-2111, and 31-810 ng/g for aflatoxin B1, B2, G1, and G2 respectively. Conclusion:  Out of 120 investigated isolates, 13 isolates produced no aflatoxins and toxigenicity of other isolates was potentially variable from very low to high level.

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This Paper COI Code is JR_JNFH-8-4_005. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

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Mohammadi Moghadam, Mehdi and Rezaee, Saeed and Mohammadi, Amir Hossein and Zamanizadeh, Hamid Reza and Moradi, Mohammad and Fani, Seyed Reza,1399,Potential of Aflatoxin Production in Aspergillus Section Flavi Isolates of Pistachio in Iran,https://civilica.com/doc/1139037

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  • 1. FAOSTAT. 2020. [accessed 2020 March 14]. www.fao.org/statistics/databases/en/. ...
  • 2. Frisvad JC, Samson RA. Emericella venezuelensis, a new species ...
  • 3. Frisvad JC, Skouboe P, Samson RA. Taxonomic comparison of ...
  • 4. Klich MA, Mullaney EJ, Daly CB, Cary JW. Molecular ...
  • 5. Mohammadi Moghadam M, Rezaee S, Mohammadi AH, Zamanizadeh HR, ...
  • 6. Jafari Nodoushan A, Fani SR, Sajadipour SJ, Fattahi M. ...

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