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  • Title: Quantitative analysis of Alaska pollock in seafood products by droplet digital PCR.
    Author: Noh ES, Park YJ, Kim EM, Park JY, Shim KB, Choi TJ, Kim KH, Kang JH.
    Journal: Food Chem; 2019 Mar 01; 275():638-643. PubMed ID: 30724244.
    Abstract:
    A highly accurate quantitative method, based on the new technique, droplet digital PCR (ddPCR), was applied to determine the content of Alaska pollock (Gadus chalcogrammus) in seafood products. Using this method, we found a linear relationship among raw sample weight, DNA concentration and DNA copy number. We also established a formula to calculate the raw sample weight, based on the number of DNA copies. To confirm the accuracy and applicability of this method, mixed samples of known composition were analyzed. Results from this study indicated that the ddPCR method described is suitable for quantifying Alaska pollock in seafood products and has the potential applied to a variety of tasks in food quality certification.
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