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This presentation covers correct utilization of in-house reference materials to ensure product safety and adherence to FDA requirements, through a series of case studies performed at Eurofins Supplement Analysis Center.


This study seeks to develop and validate a method for identifying and quantifying four bioactive forms of vitamin B12 (adenosylcobalamin, cyanocobalamin, hydroxocobalamin, and methylcobalamin) from dietary ingredients and supplements, as a consensus quality control protocol for dietary supplement labeling and manufacturing.


Simultaneous determination of eight nonvolatile ginger constituents in dietary supplements and ingredients by HPLC-DAD


Most of the validated methods for ginger-containing dietary supplements have long run time and low sensitivity. We successfully shortened the HPLC running time from 29 minutes (USP method) and 40 minutes (ISO method) to 12 minute without the need for an expensive Mass Spectrometer for analyte separation.


AOAC International, an organization that develops globally accepted standards, recently recognized Dr. Hong You, Director of Research and Development at Eurofins Supplement Analysis Center (ESAC), and his team of experts in the acceptance of their method for ginger analysis.


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