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Food Science

2010

Longwood University

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Full-Text Articles in Life Sciences

Analysis Of Water Soluble Vitamins In Energy Drinks By Hplc, Stephen P. Sibley, Sarah E.G. Porter Jan 2010

Analysis Of Water Soluble Vitamins In Energy Drinks By Hplc, Stephen P. Sibley, Sarah E.G. Porter

Theses, Dissertations & Honors Papers

Reversed phase high-performance liquid chromatography with diode array detection (HPLC-DAD) was utilized to analyze the ingredients of various dietary supplements. Dietary supplements are classified by the Food and Drug Administration (FDA) as foods rather than drugs, and as such have very different labeling laws. Specifically, we tested several types of "vitamin water", 5-hour energy, and multi-vitamin supplements to determine if the advertised contents were actually present at the levels specified. Using our method, we were able to simultaneously analyze the B-vitamins present. It was determined that several of the energy drinks contained B-vitamins that were not in agreement with their ...