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KMID : 0903519980410070527
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1998 Volume.41 No. 7 p.527 ~ p.532
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Optimal Preparation of Saccharified Rice Solution for Bifidobacterium Fermentation
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박종현/Park, Jong Hyun
이주연/목철균/장학길/구동주/Lee, Ju Yeon/Mok, Chul Kyoon/Chang, Hak Gil/Koo, Dong Joo
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Abstract
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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?C for 45 min. The optimum gelatinization conditions were at 100?C for 40 min. The optimum levels of enzymes for saccharification of rice were 0.135 unit/g rice powder for α?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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