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Abstract ▼ AI-Helper

This study was aimed at the development of the rice product by fermentation of saccharified rice solution with Bifidobacterium. To optimize the preparation of saccharified rice solution for Bifidobacterium fermentation, various pretreatment conditions were established. Grinding for 30seconds by an i...

This study was aimed at the development of the rice product by fermentation of saccharified rice solution with Bifidobacterium. To optimize the preparation of saccharified rice solution for Bifidobacterium fermentation, various pretreatment conditions were established. Grinding for 30seconds by an impact mill was more efficient than any other grinding schemes tested. The preheating before gelatinization showed a positive effect for efficient saccharification, and its optimal conditions were at $60^{\circ}C$ for 45 min. The optimum gelatinization conditions were at $100^{\circ}C$ for 40 min. The optimum levels of enzymes for saccharification of rice were 0.135 unit/g rice powder for ${\alpha}-amylase$ and 3.375 unit/g rice powder for glucoamylase, respectively. The physico-chemical properties of the fermented product by a fastidious Bifidobacterium showed a great potential for a functional rice product. However, an improvement on its flavor was required, which might be achieved by the addition of various fruits and vegetables.

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