Genomes and Genes
Jin Woo Jhoo
Affiliation: Kangwon National University
- In vitro cytotoxicity of nonpolar constituents from different parts of kava plant (Piper methysticum)Jin Woo Jhoo
National Center for Toxicological Research, U S Food and Drug Administration, HFT 230, 3900 NCTR Road, Jefferson, Arkansas 72079, USA
J Agric Food Chem 54:3157-62. 2006..The identity of the compound was confirmed by (1)H and (13) C NMR and MS techniques...
- Identification of C-glycoside flavonoids as potential mutagenic compounds in kavaJ W Jhoo
Natl Center for Toxicological Research, U S Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, USA
J Food Sci 72:C120-5. 2007..Two isolated compounds were identified as 2''-O-rhamnosylvitexin and schaftoside by NMR and MS techniques...
- Determination of six kavalactones in dietary supplements and selected functional foods containing Piper methysticum by isocratic liquid chromatography with internal standardLihong Hu
U S Food and Drug Administration, National Center for Toxicological Research, Division of Chemistry, HFT 230, 3900 NCTR Rd, Jefferson, AR 72079, USA
J AOAC Int 88:16-25. 2005..Methods developed in this study offer a simple and reproducible means for analysis of kavalactones in various matrixes of dietary products...
- Molecular cloning and expression of genes encoding a novel dioxygenase involved in low- and high-molecular-weight polycyclic aromatic hydrocarbon degradation in Mycobacterium vanbaalenii PYR-1Seong Jae Kim
Division of Microbiology, National Center for Toxicological Research U S FDA, Jefferson, Arkansas 72079, USA
Appl Environ Microbiol 72:1045-54. 2006..The recombinant E. coli, however, did not show any dioxygenation activity for phthalate and biphenyl. The upregulation of nidA3B3 in M. vanbaalenii PYR-1 induced by PAHs was confirmed by reverse transcription-PCR analysis...