来自城市和酒厂废物的单细胞蛋白质多基酸丰富的微生物生物质作为水产料的潜在添加剂
Giulia Adele Tuci1, Marco Gottardo1, Aditi Parmar Chitharanjan1
1Department of Environmental Science, Informatics and Statistics, Ca' Foscari University of Venice, via Torino 155, Venezia-Mestre 30172, Italy.
New biotechnology
|June 23, 2025
概括
食品废弃物和污水污泥产生了适用于水产料的高质量单细胞蛋白 (SCP),而葡萄酒渣则产生了不那么一致的蛋白质来源. 这项研究强调了从废物流中可持续生产蛋白质.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 微生物学 微生物学
背景情况:
- 单细胞蛋白 (SCP) 生产提供了一个可持续的替代蛋白质来源.
- 对食品废物,市政污水污泥 (FW-MSS) 和葡萄酒渣 (WL) 等废物流的利用对于循环经济至关重要.
- 富含多基酸盐 (PHA) 的混合微生物培养 (MMC) 可以用于SCP生产.
研究的目的:
- 评估来自FW-MSS和WL的富含PHA的MMC产生的SCP产量.
- 为了比较来自不同废弃物基板的SCP的质量和一致性,用于潜在的水产料应用.
- 分析影响SCP特性的微生物群落和PHA含量.
主要方法:
- 发酵FW-MSS和WL以产生短链脂肪酸 (SCFA).
- 在测序批量反应堆 (SBR) 中选择和培养PHA储存的MMC.
- 生物化学分析MMC生物质的蛋白质含量,必需氨基酸 (EAA) 概况和PHA度.
主要成果:
- FW-MSS发酵产生了稳定的SCFA和一个MMC,含有15.1%的PHA,55.1%的蛋白质,以及一个平衡的EAA概况.
- WL发酵导致了含有7.2重%PHA和45.8重%蛋白质的MMC,但稳定性较低,不合格率更高.
- 微生物社区分析显示,SBR中存在不同的种群,没有检测到鱼类病原体;FW-MSS显示出优异的产品一致性.
结论:
- 由于其高EAA指数,FW-MSS是适合水产料,特别是彩虹鱼的一致,高质量的SCP生产的有希望的基质.
- WL可以作为补充蛋白质来源,虽然不如FW-MSS.
- 来自废物的MMCs代表了可持续蛋白质生产的可行策略,有助于资源效率和减少环境影响.
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