[文献書誌] Ishii,T.,Koga,N.,Matsui,T.,Wada,K.,Osajima,Y.and Ohta,H.: "Determination of flavonoid aglycones in plant food materials using high-performance liquid chromatography-photodiode-array combined with electrochemical detection"Polyphenols Communications 2000. 1. 165-166 (2000)