Determination of sugars and amino acids in Japanese wine using core–shell liquid chromatography tandem electrochemical detection Kana Yoshimura, Aiko Sano, Ryuichiro Suzuki, Shun-ichi Mitomo, Yukiko Negishi, Toshiki Mutai, Florencio Arce Jr, Gerard Lee See, Takashi Tanikawa, Yutaka Inoue |