Study of Aspergillus flavus Producing Aflatoxin in Groundnut
Keywords:
Mycotoxin, aflatoxin, groundnut, infection, colonizationAbstract
To study the Aspergillus flavus producing aflatoxin in groundnut the groundnut samples are collected by survey method from villages of Muktainagar and Malkapur taluka. In all hundred groundnut samples collected from seven different places of Muktainagar and four places are from Malkapur taluka. All these hundred groundnut samples collected are of summer season produced. Among the hundred samples collected fourteen are from Naygaon, six each from Taroda and Muktainagar, forty from Talaswada, four from Siradon, ten from Malkapur and twenty are from Tandalwadi. All these hundred samples are categorized in three types producer, commercial and consumer depending upon their source of collection. The forty samples are found from producer, fifty seven from consumer and only three from commercial. Out of these hundred samples collected the only fifty seven belongings to consumer type collection, were incubated on Czapek-Dox Rose Bengal Agar medium and examined for the growth of percentage in terms of infection and colonization caused by Aspergillus flavus which is found responsible for producing aflatoxin in groundnut. The results found for percentage range of infection is, that out of fifty seven sample tested 23 sample (40.35%) are found completely nil and safe to eat, 21.05% have infected below 25%. The 14.03% samples are found infected in between above 25 to below 50 % range and 12.30% samples are found infected in between above 50 to below75 % range. The only one sample (1.75%) stood in between above 75 to 99 percent range of infection. For 100% range of infection six samples (10.52%) results are found. The results obtained for percentage range of colonization indicates that, out of fifty seven samples tested 25 samples (43.85%) are found completely healthy and safe to eat, and 14.06% samples have colonized below 25%. The 12 samples (21.05%) are found colonized in between above 25 to below 50 range. The five samples (8.77%) are found colonized each in between above 50 to below75 and above 75 to 99 percentage range. For 100% range of colonization only two samples (3.50 %) results are obtained
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