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...
- 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...
- 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...