[Chen, Sheng-Huang; Wang, Wei; Yu, Juan; Liao, Duan-Fang; Li, Qin-Wen; Khan, Ikhlas A.] Hunan Univ Chinese Med, Sch Pharm, Sino Luxemburg TCM Res Ctr, TCM & Ethnomed Innovat & Dev Lab, Changsha 410208, Hunan, Peoples R China.
[Zhao, Jian-Ping; Khan, Ikhlas A.] Univ Mississippi, Sch Pharm, Pharmaceut Sci Res Inst, Natl Ctr Nat Prod Res, University, MS 38677 USA.
[Wedge, David E.; Duke, Stephen O.] Univ Mississippi, ARS, USDA, Nat Prod Utilizat Res Unit,Natl Ctr Nat Prod Res, University, MS 38677 USA.
[Wang, Yu-Hong] Hunan Univ Chinese Med, State Key Lab Chinese Med Powder & Med Innovat Hu, Changsha 410208, Hunan, Peoples R China.
[Fronczek, Frank R.] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA.