| Since times when no thermometer or sensor existed, toji and other workers in the brewery observed the condition of the foam on the surface of moromi and, by classifying several stages, they were able to grasp the progress of fermentation taking place inside. |
温度計もセンサーもなかった時代から、杜氏や蔵人たちはもろみの表面の泡立ちの様子を観察し、いくつかの段階に区分けすることによって、内部の発酵の進行状況を把握してきた。 |