Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/37703
Title: Growth and aflatoxin production of Aspergillus flavus in fig-based medium: Effect of minerals and chelating agents
Other Titles: Aspergillus flavus’un incir bazlı besiyerinde gelişimi ve aflatoksin üretimi: Mineral maddelerin ve şelat ajanlarının etkisi
Authors: Gunaydin, S
Karaca, Hakan
Keywords: Template mycotoxin; mold; Ethylenediaminetetraacetic acid; Citric acid;
Phytic acid; Aflatoxin; Aspergillus flavus
Publisher: PAMUKKALE UNIV
Abstract: In this study, minerals required for the growth and aflatoxin production of A. flavus were determined. Then, the effectiveness of some chelating agents such as citric acid, phytic acid and ethylenediaminetetraacetic acid (EDTA) in preventing mold growth and toxin production was investigated in a fig-based medium and in two synthetic media, called Czapek-dox agar (CZA) and potato dextrose agar (PDA). A. flavus did not grow in CZA without sodium nitrate during 6-day incubation at 30 degrees C. The absence of the other components (magnesium sulfate, iron sulfate, potassium chloride and potassium phosphate) did not significantly (p>0.05) affect the growth of the mold. However, the mold produced significantly (p<0.05) higher amounts of aflatoxins in the media without magnesium sulfate and iron sulfate. A. flavus grew faster on fig-based medium and produced higher amounts of aflatoxins in PDA. In all media tested in this study, EDTA was found to be more effective than the other agents in controlling the growth of A. flavus. It was also effective in inhibiting the production of aflatoxins. It was determined that 1.75 mM EDTA reduced aflatoxin production up to 97% in PDA. Citric and phytic acids could inhibit the growth of the mold only in PDA. All chelating agent reduced aflatoxin production over 90% in fig-based medium.
C1 [Gunaydin, Sule; Karaca, Hakan] Pamukkale Univ, Fac Engn, Dept Food Engn, Denizli, Turkey.
URI: https://hdl.handle.net/11499/37703
https://doi.org/10.5505/pajes.2019.19476
ISSN: 1300-7009
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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