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논문 기본 정보

자료유형
학술저널
저자정보
Kim Tao (Department of Food and Nutrition Dongduk Women’s University Seoul 02748 Republic of Korea) Heo Sojeong (Department of Food and Nutrition Dongduk Women’s University Seoul 02748 Republic of Korea) Na Hong-Eun (Department of Food and Nutrition Dongduk Women’s University Seoul 02748 Republic of Korea) Lee Gawon (Department of Food and Nutrition Dongduk Women’s University Seoul 02748 Republic of Korea) Lee Jong-Hoon (Department of Food Science and Biotechnology Kyonggi University Suwon 16227 Republic of Korea) Kim Ji Yeon (Department of Food Science and Technology Seoul National University of Science and Technology Seoul 01811 Republic of KoreaDepartment of Nano Bio Engineering Seoul National University of Science and T) Jeong Do-Won (Department of Food and Nutrition Dongduk Women’s University Seoul 02748 Republic of Korea)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제33권 제4호
발행연도
2023.4
수록면
527 - 532 (6page)
DOI
10.4014/jmb.2210.10051

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Brewer’s spent grain (BSG) is a waste product of the beer industry, and γ-aminobutyric acid (GABA) is a physiologically active substance important for brain and neuron physiology. In this study, we used the bacterial strains Bacillus velezensis DMB06 and B. licheniformis 0DA23-1, respectively, to ferment BSG and produce GABA. The GABA biosynthesis pathways were identified through genomic analysis of the genomes of both strains. We then inoculated the strains into BSG to determine changes in pH, acidity, reducing sugar content, amino-type nitrogen content, and GABA production, which was approximately doubled in BSG inoculated with Bacillus compared to that in uninoculated BSG; however, no significant difference was observed in GABA production between the two bacterial strains. These results provide the experimental basis for expanding the use of BSG by demonstrating the potential gain in increasing GABA production from a waste resource.

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