通过Fe修饰生物炭从食品废物中生产的增强热友暗发酵
Yongjun Yang1, Jie Bu2, Yong Wei Tiong2
1School of Biology and Biological Engineering, Guangdong Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Panyu, Guangzhou, 510006, People's Republic of China.
Environmental research
|December 17, 2023
概括
用铁修改的生物炭 (Fe-L600) 显著增强了食品废物发酵中的生产. 这种绿色添加剂可使的产量增加31%以上,并优化可持续生物的代谢途径.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 通过食品废物的暗发酵来进行工业生产,受低产量和工艺不稳定性阻碍.
- 生物炭是一种可持续的添加剂,有可能提高生物生产效率.
- 生物炭的铁改性可能进一步增强其催化和微生物支持特性.
研究的目的:
- 为了研究铁改性生物炭 (Fe-L600) 在食物废物的热友暗发酵过程中对的产生的影响.
- 阐明底层机制,包括代谢途径调节和微生物群落转移,受Fe-L600的影响.
主要方法:
- 食品废弃物的热友暗发酵,含有或不含Fe-L600添加.
- 对生产产量的分析,发酵动力学和代谢物 (例如有机酸) 的分析.
- 测量溶解的铁离子度和微生物社区结构分析 (16S rRNA测序).
主要成果:
- 添加Fe-L600增加了31.19%的产量 (从57.12升至76.78毫升/克).
- 用Fe-L600的发酵稳定时间从18小时减少到12小时.
- 代谢物分析表明,转向黄油酸通路 (乙/黄油比率从3.09降至2.69).
- 增加Fe2+和Fe3+度与增强的酶和铁素活性相关.
- 热甲氧细菌和关键的水溶性/酸性微生物的相对丰度增加.
结论:
- Fe-L600是一种有效的添加剂,可通过热友暗发酵来增强食品废弃物中的生产.
- Fe-L600通过调节新陈代谢途径和促进有益的微生物群落来提高的产量.
- 这项研究提供了可持续生物生产的可行策略,并加深了对生物炭作用的理解.
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