N. Yokota

Alkaloids from Sri Lankan curry-leaf (Murraya koenigii) display melanogenesis inhibitory activity: structures of karapinchamines A and B.

Masayuki Yoshikawa, H. Matsuda, M. Yoshikawa, 2013, Bioorganic & medicinal chemistry.

Alkaloid constituents from flower buds and leaves of sacred lotus (Nelumbo nucifera, Nymphaeaceae) with melanogenesis inhibitory activity in B16 melanoma cells.

Masayuki Yoshikawa, H. Matsuda, M. Yoshikawa, 2013, Bioorganic & medicinal chemistry.

Widespread tissue expression of nepenthesin-like aspartic protease genes in Arabidopsis thaliana.

Kenji Takahashi, H. Inoue, K. Kubota, 2008, Plant physiology and biochemistry : PPB.

Geopolitical Transformations and the 21st Century World Economy

Koji Kontani, Namiko Yokota, 横田 凡子, 1997 .