구.농수식품
- 조회463
Haeun Kim1, Jemin Son1, Jonghwa Lee1, Hah Young Yoo1,2, Taek Lee1, Min Jang3, Jong‐Min Oh4,*, Chulhwan Park1,*
1Department of Chemical Engineering, Kwangwoon University, Seoul, Republic of Korea
2Department of Biotechnology, Sangmyung University, Seoul, Republic of Korea
3Department of Environmental Engineering, Kwangwoon University, Seoul, Republic of Korea
4Department of Electronic Materials Engineering, Kwangwoon University, Seoul, Republic of Korea
*Correspondence
Abstract
Although the unique nanostructure of bacterial cellulose (BC) imparts superior mechanochemical properties and thus allows for diverse applications, the high production cost of BC necessitates the development of more cost‐effective solutions, for example, those using lignocellulosic biomass as a substrate and relying on its pretreatment and saccharification to generate fermentable sugars. However, the various species (e.g., aliphatic acids, furans, and phenolics) produced during pretreatment may interfere with bacterial cell growth and BC production. Herein, we investigated the effects of aliphatic (acetic and formic) acids, furans (5‐hydroxymethylfurfural [5‐HMF] and furfural), and phenolics (syringaldehyde and p‐coumaric acid) on the production of BC. This production was enhanced at low aliphatic acid concentrations (1 g/L acetic acid and 0.5 g/L formic acid) but was suppressed by at least 90% in cases of 0.75 g/L formic acid, 0.4 g/L furfural, 4 g/L 5‐HMF, 2.5 g/L syringaldehyde, and 2.5 g/L p‐coumaric acid. BC production efficiencies of 97.86%, 76.66%, and 73.50% were observed for Miscanthus, barley straw, and pine tree hydrolysates, respectively, under optimal conditions. Therefore, these results provided the possibility to utilize the most abundant and sustainable lignocellulose on the planet for BC production.
논문정보
- Research article
- 2021년 03월 (BRIC 등록일 2021-04-05)
- 국내 연구진
- 생명과학 > 생물공학
- 구・농수식품
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