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논문 기본 정보

자료유형
학술저널
저자정보
Lee Jeongho (Department of Biotechnology Sangmyung University Seoul 03016 Republic of Korea) Lee Kang Hyun (Department of Biotechnology Sangmyung University Seoul 03016 Republic of Korea) Kim Seunghee (Department of Biotechnology Sangmyung University Seoul 03016 Republic of Korea) Son Hyerim (Department of Biotechnology Sangmyung University Seoul 03016 Republic of Korea) Chun Youngsang (Department of Bio-Convergence Engineering Dongyang Mirae University Seoul 08221 Republic of Korea) 박철환 (광운대학교) 유하영 (상명대학교)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제32권 제11호
발행연도
2022.11
수록면
1,479 - 1,484 (6page)
DOI
10.4014/jmb.2208.08022

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Bacterial cellulose (BC) is gaining attention as a carbon-neutral alternative to plant cellulose, and as a means to prevent deforestation and achieve a carbon-neutral society. However, the high cost of fermentation media for BC production is a barrier to its industrialization. In this study, chestnut shell (CS) hydrolysates were used as a carbon source for the BC-producing bacteria strain, Gluconacetobacter xylinus ATCC 53524. To evaluate the suitability of the CS hydrolysates, major inhibitors in the hydrolysates were analyzed, and BC production was profiled during fermentation. CS hydrolysates (40 g glucose/l) contained 1.9 g/l acetic acid when applied directly to the main medium. As a result, the BC concentration at 96 h using the control group and CS hydrolysates was 12.5 g/l and 16.7 g/l, respectively (1.3-fold improved). In addition, the surface morphology of BC derived from CS hydrolysates revealed more densely packed nanofibrils than the control group. In the microbial BC production using CS, the hydrolysate had no inhibitory effect during fermentation, suggesting it is a suitable feedstock for a sustainable and eco-friendly biorefinery. To the best of our knowledge, this is the first study to valorize CS by utilizing it in BC production.

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