添加菌微生物来提高发酵质量,酶效率和混合Pennisetum料料的微生物群落
Yi Zhou1, Qixian Feng1, Yan Li2
1College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Bioresource technology
|August 15, 2024
概括
液预处理通过促进营养素和纤维分解来提高混合Pennisetum料质量. 这增强了发酵和微生物多样性,使这种生物质能源更可行.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 生物技术是生物技术.
背景情况:
- 混合Pennisetum是一种有价值的生物质能源,但由于低乳酸细菌和高纤维含量而受到限制.
- 有效的料生产需要优化发酵和微生物群落,以提高营养价值和消化能力.
研究的目的:
- 评估液预处理对混合Pennisetum料质量的影响.
- 为了研究化时间和不同液度对发酵和纤维分解的影响.
- 通过使用第三代测序分析,分析由液添加引起的微生物多样性转变.
主要方法:
- 混合Pennisetum用不同度的液进行了预处理,并在不同时间内进行了化.
- 分析了包括干物质,原蛋白,水溶性碳水化合物和pH在内的料质量参数.
- 使用先进的第三代测序来分析微生物群落的组成和多样性.
- 纤维分解和酶效率被量化以评估降解.
主要成果:
- 液预处理显著改善了干物质,原始蛋白质和水溶性碳水化合物.
- 经过60天的化后,以5%的液获得了令人满意的pH (3.40-3.67) 的最佳发酵质量.
- 在这些最佳条件下,观察到最高的纤维分解率 (47.23%) 和酶效率.
- 液添加改变了微生物种群,增加了Paucilactobacillus vaccinostercus和Lactiplantibacillus plantarum,同时消除了Enterobacter.
结论:
- 液预处理是一种有前途的策略,可以提高混合Pennisetum的料质量.
- 优化液度和化持续时间可以导致优异的纤维分解和发酵.
- 该研究确定了对混合Pennisetum料有益的关键乳酸细菌,为高效的生物质生产铺平了道路.
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