| The hiire technique was already described in "Goshu no Nikki" (literally, "diary of sake"), which is the technical guidebook for sake brewing written during the Muromachi period and we can know that this technique was used since the medieval times in the area centering on the Kinai region (provinces surrounding Kyoto and Nara). |
火入れの技法は、室町時代に書かれた醸造技術書『御酒之日記』にもすでに記載され、中古から畿内を中心に行なわれていたことがわかる。 |