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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Comparing detection methods of aflatoxin and exploring aflatoxin decontamination methods

Singleterry, Rebecca Burgett 10 December 2010 (has links)
Ethanol fermentation of highly concentrated aflatoxin-contaminated corn (Zea mays) was conducted on a lab scale to determine if aflatoxin concentrated in the distilled ethanol and/or dry distillers grain end-products. Alliquots of fermented mash, distilled ethanol, stillage, and dry distillers grain (DDG) were analyzed via LC-MS/MS and immunoassay detection methods for aflatoxin. Results indicate that aflatoxin does not greatly concentrate during fermentation in the DDGs and is undetectable in distilled ethanol. Addition of binders, MTB-100®, to aflatoxin-contaminated DDGs showed great reduction in aflatoxin concentrations when analyzed via LC-MS/MS. Also, an experiment investigating detoxification of aflatoxin using Clorox® was conducted. Results obtained from LC-MS/MS showed a positive correlation of decreased aflatoxin levels with increasing Clorox® levels following a logarithmic trend.

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