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KMID : 1024620110310020290
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Food Science of Animal Resources
2011 Volume.31 No. 2 p.290 ~ p.295
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Development of Probiotic Dairy Product for the Normalization of Microbial Flora in Korean Infants
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Kim Min-Kyung
Choi A-ri
Han Gi-Sung
Jung Seok-Geun
Chae Hyun-Seok
Jang Ae-Ra
Seol Kuk-Hwan
Oh Mi-Hwa
Kim Dong-Hun
Ham Jun-Sang
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Abstract
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This study was conducted to develop an effective probiotic dairy product to normalize the microbial flora in Korean infants. A total of 2,200 colonies were isolated from 25 Korean neonates, and 16S rRNA of 348 isolates was analyzed. Approximately 40% of the lactic-acid producing bacterial isolates were Enterococcus faecalis, and 34.2% of them were strains similar to XR7 in the GenBank database. The fastest growing strain in MRS broth was registered as 91532 by the KACC. The selected strain was freeze-dried and utilized to ferment a milk-containing rice soup, tarakjuk. Microbiological, physico-chemical, and sensory characteristics of the fermented tarakjuk were compared with fermented milk and tarakjuk. E. faecalis KACC 91532 increased from 6.14±0.19 to 7.36±0.13 Log CFU/mL, and can be useful as a probiotic, as described in the Standards for Functional Health Foods.
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KEYWORD
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probiotics, Enterococcus faecalis, fermented tarakjuk
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