منابع مشابه
Filamentous fungi producing ochratoxin a during cocoa processing in Cameroon.
Ochratoxin A (OTA) is the main mycotoxin occurring in cocoa. A study was conducted in Cameroon to assess how filamentous fungi and toxigenesis were affected by the type of cocoa post-harvest treatment (boxes or heaps). The filamentous fungi isolated were almost identical when fermentation was carried out in boxes or heaps, with the presence of abundant black Aspergillus filamentous fungi: A. ni...
متن کاملOchratoxin A Producing Fungi, Biosynthetic Pathway and Regulatory Mechanisms
Ochratoxin A (OTA), mainly produced by Aspergillus and Penicillum species, is one of the most important mycotoxin contaminants in agricultural products. It is detrimental to human health because of its nephrotoxicity, hepatotoxicity, carcinogenicity, teratogenicity, and immunosuppression. OTA structurally consists of adihydrocoumarin moiety linked with l-phenylalanine via an amide bond. OTA bio...
متن کاملScreening and Identification of Novel Ochratoxin A-Producing Fungi from Grapes
Ochratoxin A (OTA) contamination has been established as a world-wide problem. In this study, the strains with the ability of OTA production were screened by analyzing the green fluorescence of the isolates colonies from the grapes in Zhenjiang with 365 nm UV light and confirmed by HPLC with fluorescent detection (HPLC-FLD). The results showed that seven isolates acquired the characteristic of ...
متن کاملIdentification of Ochratoxin A Producing Fungi Associated with Fresh and Dry Liquorice
The presence of fungi on liquorice could contaminate the crop and result in elevated levels of mycotoxin. In this study, the mycobiota associated with fresh and dry liquorice was investigated in 3 producing regions of China. Potential toxigenic fungi were tested for ochratoxin A (OTA) and aflatoxin B1 (AFB1) production using liquid chromatography/mass spectrometry/mass spectrometry. Based on a ...
متن کاملInfluence of light on food relevant fungi with emphasis on ochratoxin producing species.
The influence of light of varying wavelength on growth and ochratoxin A biosynthesis of Aspergillus carbonarius, A. niger, A. steynii and on Penicillium nordicum and P. verrucosum was analysed. For comparison the influence of light on various other food relevant fungi, including citrinin producers, was also tested. Generally the Aspergilli seem to be more resistant to light treatment than the P...
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ژورنال
عنوان ژورنال: Mycotoxins
سال: 1983
ISSN: 0285-1466,1881-0128
DOI: 10.2520/myco1975.1983.18_2