It is something which offers the method of containing kishiroorigo, the anti- oxidation active material and the dietary fiber which are rich in kishirobiosu and kishirotorio - su, the useful material, with simple process, being efficient as a food material and a healthy supplement, at the same time producing cheaply. Cooking blast processing (2.5Mpa, 70 seconds) it does the hemicellulose content plant resource of the bagasse, and the like mixes the wheat bran into this cooking blast processing ones, after approximately adjusting moisture content of this blend 50%, aspergillus soya (NFRI1147) from executing single spore isolation, the depending make malt it does in the Aspergillus oryzae which possess the high kishiranaze activity which can adding water it does in the malt which is obtained, it mixes aforementioned cooking blast processing ones into the malt dispersed liquid which the malt disperses to water, after approximately adjusting moisture content of this blend 50%, it ferments. After the fermenting it executes fermentation stop processing, after the drying minute pulverizes. As cooking blast processing ones which are mixed into the malt dispersed liquid, make 8 - 10 time quantity of cooking blast processing ones which are used for the malt is used.キシロビオースとキシロトリオ-スに富んだキシロオリゴ糖、抗酸化活性物質及び食物繊維を含有し、食品素材や健康サプリメントとして有用な素材を、簡便な工程で、効率よく、かつ安価に製造する方法を提供するものである。バガス等のヘミセルロース含有植物資源を蒸煮爆砕処理(2.5Mpa,70秒)し、この蒸煮爆砕処理物に小麦フスマを混合し、この混合物の水分含量を約50%に調整した後、アスペルギルス・ソーヤ(NFRI1147)から単胞子分離を実施して得られる高キシラナーゼ活性を有する麹菌により製麹し、得られた麹に加水し、麹が水に分散した麹分散液に前記蒸煮爆砕処理物を混合し、この混合物の水分含量を約50%に調整した後、発酵する。発酵後に発酵停止処理を実施し、乾燥後微粉砕する。麹分散液に混合する蒸煮爆砕処理物として、製麹に用いた蒸煮爆砕処理物の8~10倍量を用いる。
