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Full-Text Articles in Life Sciences

Identification Of Species In Commercially Sold Game Meats Using Dna Barcoding, Charles Quinto, Rebecca Tinoco, Rosalee S. Hellberg May 2015

Identification Of Species In Commercially Sold Game Meats Using Dna Barcoding, Charles Quinto, Rebecca Tinoco, Rosalee S. Hellberg

Student Scholar Symposium Abstracts and Posters

Game meats represent a multibillion dollar industry in the United States with high economic incentives associated with species substitution and mislabeling. However, there is currently a lack of information regarding the prevalence of mislabeled game meat on the U.S commercial market. The purpose of this study was to conduct a market survey of whole-cut game products sold within the United States to identify incidences of mislabeling using DNA barcoding. Identified species were also examined for classification as a threatened or endangered species. Fifty-four whole-cut game meat samples were collected from online distributors in the United States and sequenced across the …


Identification Of Species In Ground Meat Products Sold On The U.S. Commercial Market Using Dna-Based Methods, Dawn Kane May 2015

Identification Of Species In Ground Meat Products Sold On The U.S. Commercial Market Using Dna-Based Methods, Dawn Kane

Food Science (MS) Theses

Mislabeling of ground meat products is a form of food fraud that can lead to economic deception and interfere with dietary restrictions related to allergens or religious beliefs. In various parts of the world, including Ireland, Mexico and Turkey, high levels of meat mislabeling have been reported between 2000-2015. However, there is currently a lack of information regarding this practice in the United States. Therefore, the objective of this study was to test a variety of ground meat products sold on the U.S. commercial market for the presence of potential mislabeling. Forty-eight ground meat samples were purchased from online and …


A Dna Mini-Barcoding System For Authentication Of Processed Fish Products, Shadi Shokralla, Rosalee S. Hellberg, Sara M. Handy, Ian King, Mehrdad Hajibabaei Jan 2015

A Dna Mini-Barcoding System For Authentication Of Processed Fish Products, Shadi Shokralla, Rosalee S. Hellberg, Sara M. Handy, Ian King, Mehrdad Hajibabaei

Food Science Faculty Articles and Research

Species substitution is a form of seafood fraud for the purpose of economic gain. DNA barcoding utilizes species-specific DNA sequence information for specimen identification. Previous work has established the usability of short DNA sequences—mini-barcodes—for identification of specimens harboring degraded DNA. This study aims at establishing a DNA mini-barcoding system for all fish species commonly used in processed fish products in North America. Six mini-barcode primer pairs targeting short (127–314 bp) fragments of the cytochrome c oxidase I (CO1) DNA barcode region were developed by examining over 8,000 DNA barcodes from species in the U.S. Food and Drug Administration …