[1] Minami Kyushu Univ, Coll Hort, Food Chem Lab, Dept Food Sci & Technol, Miyazaki 8840003, Japan
[2] Kyushu Natl Agr Expt Stn, Miyazaki 8850091, Japan
[3] Natl Inst Hlth Sci, Setagaya Ku, Tokyo 1588501, Japan
[4] Hoshi Univ, Inst Med Chem, Shinagawa Ku, Tokyo 1428501, Japan