Measuring Phytosterols in Health Supplements by LC/MS

Instrument Type: LCMS

Plant sterols, phytosterols, are claimed to help lower cholesterol levels in humans. In the year 2000, the United States Food & Drug Administration (US FDA) approved a health claim relating phytosterol ester or phytostanol ester consumption to reduced risk for coronary heart disease. Thus, there is increased interest in qualitative and quantitative analysis of phytosterols in food products. Phytosterols are typically measured by gas chromatography after derivatization. In this study, phytosterols were injected onto an LC-MS for direct analysis.

Rapid analysis of vitamin D3 in supplements using the Thermo Scientific Acclaim HILIC-10 HPLC column

Instrument Type: HPLC

The Thermo Scientific Dionex UltiMate 3000 RSLC system is applied for the rapid analysis of vitamin D3 in oil based vitamin supplements. The separation is performed isocratically on a Thermo Scientific Acclaim HILIC-10 column, with UV detection at 265 nm.