1) KANEKO Kentaro, OTOGURO Chikao, TSUJI Kyoko, KIKUCHI Setsuko and CHA HAWAN-Soo (1998). Effect of the low temperature steam-heating process on taste components, amino acids, cyanogenic glycosides, pectic substances and texture of ume fruit removed from liquor. Food preservation Science, 24 (2), 95-101.
5) Kazuko Saito, Chikao Otoguro, Sachiko Odake, Setsuko Kikuchi, Takeshi Sumino and Kentaro Kaneko (2000). Relationships between pectic substances and texture of cabbag leaf as a result of low temperature steamheating ITE Letters on Batteries, New Tecchnology & Medicine, 1(5), 71-76.