By Stephanie Clark, Certified Project Manager, Authenticity Testing, NSF International & Jovan Lubardic, Lab Manager, Authenticity Testing, NSF International04.01.19
Do you know what is in your products? You more than likely have methods in place to confirm your formulations, but how can you know if your quality measures and test methods are thorough enough? While technology moves forward and brings new testing methods to the forefront, it can be daunting to figure out how to use them appropriately. However, knowing what tools are available can be useful in making the best possible decisions on identification of your materials and the quality of the products you are distributing.
Tools of the Trade
Sequencing, as a whole, has presented new opportunities to verify supply chains. Originally, Sanger sequencing brought identification of a single, dominant signal. This dominant signal can be aligned with a reference sequence and compared to determine the identity.1 Sanger sequencing is limited, however, due to its inability to identify anything beyond that single, dominant signal. This testing can act as a confirmation that your material contains the DNA of your target, but additional testing is required to find out if anything beyond the target you are looking
Tools of the Trade
Sequencing, as a whole, has presented new opportunities to verify supply chains. Originally, Sanger sequencing brought identification of a single, dominant signal. This dominant signal can be aligned with a reference sequence and compared to determine the identity.1 Sanger sequencing is limited, however, due to its inability to identify anything beyond that single, dominant signal. This testing can act as a confirmation that your material contains the DNA of your target, but additional testing is required to find out if anything beyond the target you are looking
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