Masaki Okuda, Midori Joyo, Yuki Tamamoto, Motoki Sasaki, Kei Takahashi, Nami Goto-Yamamoto, Masaru Ikegami, Katsumi Hashizume. Analysis of protein composition in rice cultivar used for sake brewing, and their effects on nitrogen compounds in sake:. Cereal Chemistry. 2018. 95. 2. 320-329