About NONAKA G
About Kyushu Univ.
About HASHIMOTO F
About Kyushu Univ.
About NISHIOKA I
About Kyushu Univ.
About Chemical and Pharmaceutical Bulletin
About black tea
About non-fused polycyclic compound
About Other natural substances of biological origin
About タンニン
About 関連化合物
About 紅茶
About 赤色色素
About 単離