菌株依赖的乳酸发酵 Capsosiphon fulvescens 由Lactobacillus spp 进行水解
1Department of Chemical and Biological Engineering, Chungwoon University, 113, Sukgol-ro, Michuhol-gu, Incheon 22100, Republic of Korea.
Microorganisms
|October 29, 2025
概括
来自*Capsosiphon fulvescens*的绿色海藻生物质可以通过*Lactobacillus*发酵转化为乳酸 (LA). 不同的菌株在LA生产和糖利用方面表现出不同的效率,这表明优化潜力.
科学领域:
- 生物技术是生物技术.
- 海洋生物质利用的海洋生物质利用
- 乳酸生产 乳酸生产
背景情况:
- 海藻是生物化学品的有希望的第三代生物质来源.
- 从海藻生物质生产乳酸 (LA) 的研究不足.
- 水产养殖的绿藻 Capsosiphon fulvescens 是一个潜在的原料.
研究的目的:
- 评估从*Capsosiphon fulvescens*水解剂中产生乳酸的情况.
- 比较不同*乳杆菌*菌株对LA发酵的性能.
- 确定改善LA产量和标题的关键因素.
主要方法:
- *C. fulvescens*生物质的稀释酸水解.
- 高性能液体染色学 (HPLC) 用于单糖样.
- 使用*Lactobacillus rhamnosus*,*L. casei*和*L. brevis*进行批量发酵.
- 对副产品形成的分析.
主要成果:
- *C. fulvescens*生物质中含有53.4%的碳水化合物,富含L-拉姆诺斯和D-西洛斯.
- *L. rhamnosus*获得了最高的LA产量 (0.49g/g),而*L. brevis*通过使用西洛获得了最高的标位 (2.8g/L).
- 观察到压力依赖的动力学和碳分区,同时产生酸和酸.
结论:
- *C. fulvescens*水解剂是乳酸生产的可行的海洋原料.
- 在微生物菌株中优化酸和尿酸代谢可以提高LA产量.
- 调整预处理的严重程度可以进一步提高LA的生产效率.
相关概念视频
Microbial Fermentation
1.3K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.3K
Bacterial Phylum Actinobacteria
604
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
604
Bacterial Phylum Firmicutes
910
Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
910


