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Dissertations, Theses, & Student Research in Food Science and Technology

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Development Of A Rapid Detection And Quantification Method For Yeasts And Molds In Dairy Products, Brandon Nguyen Jan 2017

Development Of A Rapid Detection And Quantification Method For Yeasts And Molds In Dairy Products, Brandon Nguyen

Dissertations, Theses, & Student Research in Food Science and Technology

A rapid quantitative PCR (qPCR) method was developed for the detection and quantification of fungi that are potentially present in dairy commodities. Genes of interest that were considered and used in the method development were the following: 18S rRNA, actin, beta-tubulin, and elongation factor 1-alpha. The following organisms were screened in this method development: Galactomyces candidus, Debaryomyces hansenii, Yarrowia lipolytica, Penicillium roqueforti, Penicillium verrocosum and Cladosporium cladosporioides. The developed method has a standard curve based on the organism, Galactomyces candidus, and the primers based on the elongation factor 1-alpha gene. Using this yeast and primers, this method can detect fungal ...