PROBLEM TO BE SOLVED: To provide a method for producing brown rice bran in which seeding and fermentation are easily performed uniformly without losing rich nutritional components of brown rice. [Solution] A steaming process of steaming brown rice which has been soaked in water and drained, and steaming it to produce brown rice, a cooling process of cooling the steamed brown rice, and seeding with seeded Aspergillus oryzae on the cooled brown rice A method for producing brown rice bran comprising the steps of: (a) extruding a noodle-like extruding step of shredding the seeded brown rice into a noodle-like shape； [Selected figure] Figure 1【課題】玄米の豊富な栄養成分を損なうことなく、種付けや醗酵が均一に行われ易い玄米麹の製造方法の提供。【解決手段】水に浸漬した後水切りをした玄米を、蒸して玄米飯を製造する蒸し工程と、蒸された玄米飯を冷却する冷却工程と、冷却された玄米飯に麹菌を種付ける種付工程と、種付された玄米飯を細断して麺状に押出す麺状押出工程と、押し出された種付き玄米飯を麹化させる醗酵製麹工程とを有する、玄米麹の製造方法。【選択図】図１
