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玉米水解和发酵废水的同时利用用于Schizochytrium sp的酸生产

Ying Ou^1,2, Yu Qin², Yiyun Wang¹

¹1Jiangsu Key Laboratory for Biofunctional Molecules, College of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing, 211222, China.

Biotechnology for biofuels and bioproducts

|August 23, 2025

概括

玉米水解剂 (CBH) 能够有效地替代葡萄糖,从而显著增加了乙酸 (EPA) 的产生. 回收发酵废水进一步提高脂质和EPA产量,促进可持续的生物处理.

科学领域:

生物技术
微生物发酵
可持续的化学

背景情况:

油性微生物通过使用各种碳来源有效地产生脂质.
高基板成本,特别是碳来源,限制了微生物脂质生产的经济可行性.
玉米水解剂 (CBH) 为微生物发酵提供了低成本的替代碳来源.

研究的目的:

评估玉米水解剂 (CBH) 作为一个具有成本效益的碳来源. 这是发酵.
使用CBH优化EPA生产,并调查再循环发酵废水的影响.

主要方法:

这种病的病名是Schizochytrium sp 使用CBH作为主要碳来源进行发酵.
优化了发酵参数,包括总糖度和用FW替代淡水.
量化了脂质和乙酸 (EPA) 的含量.

主要成果:

用80g/L的CBH发酵在110小时后达到7.31%的EPA含量,超过纯葡萄糖介质.
将40%的淡水替换为FW,生物质,脂质和EPA度分别为42.16,23.05和1.72g/L.
与初始CBH介质相比,在7. 5L生物反应器中使用CBH与FW回收增加了12. 10%和9. 26%的脂质和EPA标位.

结论:

玉米水解剂是 Schizochytrium sp 的可行和经济的碳来源.
回收发酵废水是减少发酵过程中淡水使用和环境影响的有希望的策略.
这项研究证明了微生物EPA生产的可持续性和成本效益.

关键词:

这种病的病名是Schizochytrium sp 玉米水解剂乙酸发酵废水纤维素酸

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