OAR@ICRISATDetection of Toxigenic and Atoxigenic Strains of Aspergillus flavus in Telangana and Andhra PradeshMRavi TejaauthorKVijay Krishna KumarauthorPSrilakshmiauthorHSudiniauthorPKishore VarmaauthorRKoteswara RaoauthorIn groundnut Aspergillus flavus causes aflatoxin contamination which is a qualitative problem occurring at both pre-and post-harvest stages. These aflatoxins have carcinogenic, hepatotoxic, teratogenic and immuno-suppressive effects. The A. flavus strains which produces aflatoxins are called as toxigenic and which do not produce toxins are called as atoxigenic starins. To detect the toxigenic and atoxigenic starins of A. flavus from Telangana and Andhra Pradesh (AP), pod samples were collected from eight selected oil mills/traders’ in Mahaboobnagar, Rangareddy, Nizamabad, Karimnagar (Telangana); and Anantapur (AP) districts. A total of 24 A. flavus cultures were isolated from the collected pod samples. These isolates were identified as toxigenic/atoxigenic using cultural detection methods on Yeast extract sucrose (YES) media and coconut agar medium (CAM). Based on cultural methods, it was confirmed that there were18 toxigenic, five atoxigenic and one false positive/negative strain out of the 24 A. flavus isolates obtained from surveyed oil mills. Atoxigenic strains were obtained from Karimnagar and Nizamabad districts of Telangana.GroundnutAflatoxins2017Vital Biotech, IndiaArticle

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