Measuring Biotin and Folic Acid in Drinks

RSSL has announced that it has developed and validated UPLC-MS (liquid chromatography - mass spectrometry) methods for analysing biotin and folic acid in drinks.

The UPLC-MS technique is quicker and more sensitive than the methods previously used, giving clients a greater confidence in claims substantiation. RSSL is rapidly developing UPLC-MS methods for other vitamins and functional ingredients.

The development comes after RSSL invested in a top-of-the range LC-MS instrument. "UPLC-MS is a big step forward for analysis of vitamins and other functional ingredients," says Marta Ahijado Fernandez, laboratory manager for RSSL's Functional Ingredients laboratory. "The biotin and folic acid methods have been developed using UPLC-MS equipment that is perfect for routine analysis of known compounds. We also have a separate UPLC-MS set up, which is devoted to investigative work, such as identifying contaminants and unknown compounds."

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