TY - GEN AU - Lang,Roman AU - Yagar,Erkan Firat AU - Eggers,Rudolf AU - Hofmann,Thomas TI - Quantitative investigation of trigonelline, nicotinic acid, and nicotinamide in foods, urine, and plasma by means of LC-MS/MS and stable isotope dilution analysis SN - 1520-5118 PY - 2009///0410 KW - Alkaloids KW - analysis KW - Chromatography, High Pressure Liquid KW - methods KW - Coffea KW - chemistry KW - Food Analysis KW - Humans KW - Isotopes KW - Niacinamide KW - Nicotinic Acids KW - Tandem Mass Spectrometry N1 - Publication Type: Evaluation Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1021/jf802838s ER -