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通过从食品废水中分离出来的耐酸菌株来增强生物的生产

Jin-Ju Lee¹, Do-Hyung Kim², Jeong-Hoon Park³

¹Clean Energy Transition Group, Korea Institute of Industrial Technology(KITECH), 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, the Republic of Korea; Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, the Republic of Korea.

Bioresource technology

|November 6, 2025

概括

研究人员利用适应的微生物菌株从食品废弃物浸出物中探索了生物的生产. 这些耐药菌株显著提高了的产量和生产率,为商业化提供了一个具有成本效益的战略.

科学领域:

微生物学微生物学
生物技术是生物技术.
环境科学环境科学

背景情况:

食品废弃物浸液 (FWL) 含有挥发性脂肪酸 (VFA),对微生物过程构成挑战.
开发强大的微生物菌株对于从FWL有效生产生物至关重要.

研究的目的:

通过使用耐受VFA的微生物菌株,研究FWL的生物产量.
评估与类型菌株相比,适应菌株的提升产量和生产率.

主要方法:

从大型食品废弃物消化器中分离出四种产生的菌株.
用FWL培养孤立菌株,并将产与类型菌株进行比较.
对表现最好的菌株 (P. bifermentans IS # 1) 的酸耐受性和生产率的评估,在模拟的FWL中使用不同的VFA度.

主要成果:

两种孤立的菌株 (IS #1 和 IS #3) 的产量明显高 (28% 和 18%) 比它们的类型菌株.
在不同的VFA度 (0-40g/L) 下,P. bifermentans (IS#1) 显示的生产率大幅增加 (高达260%).
微生物适应高VFA环境提高了耐药性和性能.

结论:

适应的微生物菌株,特别是P. bifermentans (IS #1),对于从FWL.产生生物水素非常有效.
这些菌株的增强耐酸性是提高生物生产率的关键.
使用耐药菌株为商业化生物生产提供了一个可行的,具有成本效益的战略.

关键词:

耐酸菌株是一种耐酸菌株.细菌分离的细菌分离方法黑暗发酵黑暗发酵食品废弃物浸剂的使用方法产生的细菌可以产生.

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