نتایج جستجو برای: aflatoxins
تعداد نتایج: 3451 فیلتر نتایج به سال:
Grains and cassava-based foods serve as major dietary sources for many households in Nigeria. However, these are highly prone to contamination by moulds aflatoxins owing poor storage vending practices. Therefore, we studied the fungal diversity maize, flour (pupuru), rice vended markets from Ondo state, Nigeria, assessed their aflatoxin levels using an enzyme-linked immunosorbent assay. Molecul...
Mycotoxins particularly aflatoxins are gaining increasing importance due to their deleterious effects on human and animal health and also due to ubiquitous presence of aflatoxigenic fungi in all the agricultural commodities under field and storage conditions. In general, aflatoxins occur more frequently in tropical countries because of high temperature, moisture, unseasonal rains and flash floo...
Background: We investigated the effects of different dose of aflatoxins, secondary toxic metabolites produced by Aspergillus flavus, on some biochemical parameters in kidney of common carp (Cyprinus carpio). Methods: This study was done in Aquaculture and Biology Laboratory of Behbahn Khatam Alanbia University of Technology, Behbahan, Iran in 2015. Fishes were distributed into five gro...
In This research, gold nanoparticles were synthesized and functionalized by the antibody of aflatoxins. The quenching of the fluorescence of excitation emission matrices (EEM) of two type of aflatoxins (B1, G1), provoked by the gold nanoparticles, was studied by principal component analysis (PCA) and multivariate curve resolution with alternating least squares (MCR-ALS). These aflatoxins show q...
The infection of Aspergillus flavus and its aflatoxin production pose a severe threat to humans, animals as well as plants life. Their inhibition using green techniques are considered as one of the important challenges. The present study outlines the antifungal activity of the ZnO nanoparticles (NPs) synthesized from lemongrass leaf extract and their effect on the mycelial growth of <e...
produces a variety of bioactive compounds that prevent fungal growth, including aflatoxins. Aflatoxigenic fungi ( and ) are being researched concerning spp. can the spread aflatoxins-producing fungi. Aflatoxin-degrading enzymes, which convert poisonous aflatoxins into less dangerous compounds, also produced by The processes through these microorganisms be used to reduce in food agricultural sys...
background and objectives: aflatoxins are mycotoxins produced by aspergillus flavus and aspergillus parasiticus that can contaminate human and animal foods, including corn, wheat, rice, peanuts, and many other crops resulting in the illness or death of human and animal consumers. the aim of this study was to detect aflatoxin b1, b2, g1, g2 and total aflatoxin in kashkineh, a traditional irania...
From measurements of thermal hyperchromicity and the behaviour of an aflatoxin-DNA mixture on a Sephadex coluimn it was concluded that aflatoxin B1 is capable of weak binding to single-stranded DNA. The interactions of the aflatoxins (B1, Gl and G2) with nucleosides result in difference spectra and suggest that the purine bases and the amino group play a role in the binding of all the aflatoxin...
Natural toxins in food are of increasing concern for human health. Among the natural toxins, mycotoxins pose a significant health risk within the tropical developing countries food supply chain [1]. Mycotoxins are produced by fungi (molds), such as Aspergillus, Fusarium, Penicillium and Alternaria, that are frequently present on agricultural products [2]. The contamination of foods and feeds by...
Aflatoxins contamination of maize exhibits a serious threat to human and animal health over the past few decades. To protect the safety of food commodities, regular monitoring for afltoxins in food is necessary. In the proposed study, we have followed a rapid and sensitive biosensor approach as well as thin layer chromatography method for quantification of aflatoxins. Our data demonstrate that ...
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