• Flavonoids isolated from the leaves of Melicope triphylla and their extracellular-superoxide dismutase-inducing activity.

Masayoshi OYAMA*, Ken-ichi NAKASHIMA, Tetsuro KAMIYA, Manami HABA, Tetsuro ITO, Hiroko MURATA, Toshiyuki TANAKA, Tetsuo ADACHI, Munekazu IINUMA and Takeshi KINOSHITA

Phytochem. Lett. 6, 215-218 (2013)

• Absolute Configuration and Conformational Analysis of C-glucoside of a Resveratrol Trimer: Structure of Hopeaside E from Hopea utilis.

Tetsuro ITO, Ryosuke HOSHINO, Yasumasa HARA, Masayoshi OYAMA* and Munekazu IINUMA

Phytochem. Lett. 6, 193-197 (2013)

• Isolation of Six Isoprenylated Biflavonoids from the Leaves of Garcinia subelliptica.

Tetsuro ITO, Renpei YOKOTA, Tatsuya WATARAI, Koki MORI, Masayoshi OYAMA*, Hideko NAGASAWA, Hideaki MATSUDA and Munekazu IINUMA

Chem. Pharm. Bull., 61, 551-558 (2013)

• Novel Isolation of Resveratrol Dimer O-glucosides with Enantiomeric Aglycones from the Leaves of Shorea cordifolia.

Tetsuro ITO, Kouko NISHIYA, Masayoshi OYAMA*, Toshiyuki TANAKA, Jin MURATA, Dedy DARNAEDI and Munekazu IINUMA

Phytochem. Lett. 6, 667-670 (2013)

• Effect of green tea and its polyphenols on mouse liver.

Ibrahim G. SALEHA, Zulfiqar ALI, Naohito ABE*, Floyd D. WILSON, Farid M. HAMADA, Mohamed F. ABD-ELLAH, Larry A. WALKER, Ikhlas A. KHAN, and Mohammad K. ASHFA

Fitoterapia 90, 151-159 (2013)

• Androguraphidine G, a new flavone glucoside from Andrographis paniculata.

Swarna D. HAPUARACHCHI, Zulfiqar ALI, Naohito ABE*, Sugandhika, Suresh T. SUGANDHIKA, Sandun, Senerath T. P. SANDUN, and Ikhlas A. KHAN

Nat. Prod. Commun. 8, 333-334 (2013)