Nowadays, research effort is focused on looking for new and effective nutritional source and new progressive fermentation techniques enabling the achievement of both high substrate conversion and high production yields. In this study, bioethanol by-products were used as nutrients by Klebsiella oxytoca ATCC 43863 for the production of 2,3-butanediol (2,3-BDO), a promising bulk chemical which has potential applications in plastics, solvent, and anti-freeze solutions preparation. Bioethanol by-products were supplied from the commercial ethanol plant of Changhae Ethanol Co., Ltd, and solely used as fermentation medium without an addition of other ingredients. To evaluate the nutritional value of bioethanol by-products as fermentation medium, the total nitrogen, crude protein, and free amino acid were analysed and compared with a commercial yeast extract. K. oxytoca ATCC 43863 efficiently produced 2,3-BDO from these medium and increased the 2,3-BDO productivity and yield, compared to control medium containing 2 g/L yeast extract. Therefore, bioethanol by-products could be considered as an alternative fermentation medium for 2,3-BDO production.
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
1. 생물공학 분야의 발전을 위한 연구 협력
2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
3. 학술연구 발표회, 강연회, 연수회 등 학술활동의 개최
4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
5. 생물공학 발전을 위한 정책 건의
6. 기타 국제 교류 등 본 학회의 목적 달성을 위한 제반 활동