نتایج جستجو برای: aflatoxigenic
تعداد نتایج: 282 فیلتر نتایج به سال:
Aflatoxin concentrations in agar media were estimated with a direct technique that quantifies the fluorescence of agar containing aflatoxins. Tubes containing 5 ml of an agar medium inoculated with spores of aflatoxin-producing Aspergillus isolates were incubated for 3 days at 30 degrees C and set in a carriage specifically designed to carry culture tubes in a scanning densitometer. Fluorescenc...
Background The presence of high levels of aflatoxin is a serious problem to the production of raw peanuts and peanut crumbs. The high incidence of aflatoxin in peanuts in our country is mainly due to problems in primary production. High humidity and temperature conditions increase the likelihood of Aspergillus development and aflatoxins production, which is worsened during rainy weather [1]. Af...
Cyclo(l-Ala-l-Pro) inhibits aflatoxin production in aflatoxigenic fungi without affecting fungal growth. The mode of action of cyclo(l-Ala-l-Pro) in inhibiting aflatoxin production of Aspergillus flavus was investigated. A glutathione S-transferase (GST) of the fungus, designated AfGST, was identified as a binding protein of cyclo(l-Ala-l-Pro) in an experiment performed using cyclo(l-Ala-l-Pro)...
The anti-aflatoxigenic potentials of the leaves of Psidium guajava, Ficus benghalensis, Gardenia radicans, Punica granatum and Ziziphus jujuba Mill. were investigated. Poultry feed inoculated with Aspergillus flavus was treated with plant leaves powder and stored for the period of six months at 28 °C and 16% moisture level. At the end of each month, aflatoxin (AFT) concentrations were determine...
the aim of this study was to investigate the mold contamination of main raisins varieties produced in khorasan razavi province with aflatoxin-producing fungi and determine amount of aflatoxins. for this purpose 50 samples were collected from different markets in kashmar, khalil abad, bardaskan, mashhad and quchan (10 samples from each city). the result showed that from 50 raisin samples, 44 sam...
The frequency of occurrence and four principal kinds aflatoxin concentration in maize seeds grown Burkina Faso was investigated. Ten (10) samples collected, were analyzed by high performance liquid chromatography (HPLC) with post-column derivatisation after immunoaffinity column cleanup. Eight strains Aspergillus section Flavi previously isolated from these cultivated on “Aspergillus flav...
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