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Title: The determination of debrisoquine and its 4-hydroxy metabolite in urine by capillary gas chromatography and high performance liquid chromatography
Authors: Fox SD,  Shaw GL,  Caporaso NE,  Welsh SE,  Mellini DW,  Falk R,  Issaq HJ
Journal: J Liq Chromatogr
Date: 1993
Branches: GEB, MEB
PubMed ID:
PMC ID: not available
Abstract: A comparative evaluation of capillary gas chromatography and high performance liquid chromatography for the determination of debrisoquine (D) and 4-hydroxydebrisoquine (4HOO) in human urine was undertaken to determine which is the better method to use for routine analysis with emphasis on reproducibility, selectivity and sensitivity. Theresults show that although GC is more sensitive than HPLC with UV detection it is comparable to HPLC with fluorescence detection. HPLC is simpler and requires very little sample clean-up, while GC requires sample clean-up, derivatizatic- and extraction which is tedious and time consuming. The chromatographic -HPLC analysis is completed in less than 10 minutes while the GC procedure takes about twice that time.Overall, the HPLC proceducusing fluorescence detection, is selective, simple, fast and gives reproducible results. The HPLC sensitivity for both D and 4HOD, using fluorescence detection is 25 μg/L which is adequate for studies involving phenotyping of human populations.