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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.


Eurofins Scientific North America Food Division has announced its new membership in the The United Natural Products Alliance (UNPA).