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Polishing properties of sake rice Koshitanrei for high-quality sake brewing
Yoshihiko Anzawa1, Yoshihito Nabekura, Kenji Satoh
1Asahi Sake Brewing Co., Ltd.
Abstract:
The Japanese high-quality sake Daiginjo-shu is made from highly polished rice (polishing ratio, less than 50%). Here we showed that the sake rice Koshitanrei (KOS) has an excellent polishing property. Rice grains of KOS had the same lined white-core region as the sake rice Yamadanishiki (YAM). The grain rigidity/hardness of KOS was higher than that of the sake rice Gohyakumangoku (GOM). The loss ratio of KOS after high polishing by an industrial polishing machine was lower than that of GOM. Further, a clear taste of sake produced from KOS was confirmed by sensory evaluation.
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