微生物群和代谢组的动态及其相互作用调节了固态发酵过程,并增强了酒厂消耗的谷物清洁回收
Yueqin Xie1, Dongyun Liu1, Yang Liu1
1Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China.
Frontiers in microbiology
|September 27, 2024
概括
多菌株注射增强了酒厂通过固态发酵 (SSF) 的废粮 (BSG) 循环利用. 这种可持续的方法通过改变微生物群落和代谢途径来提高营养价值和稳定性.
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
- 食品科学 食品科学 食品科学
背景情况:
- 酒厂的废谷物 (BSG) 是酒行业的主要副产品,由于其巨大的产量,它给环境带来了挑战.
- 可持续和清洁的BSG回收对于减轻环境影响和利用这种丰富的废物流至关重要.
研究的目的:
- 调查多菌株 (MS) 接种在固态发酵 (SSF) 中的使用,以实现可持续的BSG回收.
- 用高通量测序阐明BSG发酵的微生物和代谢机制.
主要方法:
- 固态发酵 (SSF) 技术应用于酒厂的废谷物 (BSG).
- 多菌株 (MS) 接种与对照组进行了比较.
- 使用高通量测序技术分析了微生物社区组成和代谢概况.
主要成果:
- 与对照组相比,MS接种导致pH (3.91) 和中性洗剂纤维 (446.24g/kg DM) 显著降低,乳酸 (86.64g/kg DM),酸 (6.13g/kg DM),酸 (2.78g/kg DM) 和原蛋白 (307.5g/kg DM) 的水平更高.
- 多发性硬化症的注射抑制了腐烂微生物和氨-的形成,增强了基质的保存.
- 微生物群分析显示,有益的属 (例如,Leuconostoc,Weissella,Bacillus,Lactobacillus) 的丰富性增加,不良细菌 (例如,Acinetobacter,Enterobacteriaceae) 的丰富性减少.
- 在新陈代谢方面,粉和糖的新陈代谢,氨酸和氨酸的新陈代谢,以及氨酸的新陈代谢都受到显著的影响.
结论:
- 多菌株 (MS) 接种在固态发酵 (SSF) 期间显著改善酒厂的消耗谷物 (BSG) 的发酵质量和稳定性.
- 这种方法促进了清洁和可持续的BSG回收利用,由微生物,环境因素和代谢物生产之间的复杂相互作用驱动.
- 该研究提供了对微生物和代谢机制的洞察,这些机制对于有效的BSG价值化至关重要.
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