增强的细菌纤维素的生产由科玛加泰菌种和Hibiscus sabdariffa草药茶
1Hacettepe University, Faculty of Science, Biology Department, Biotechnology Section, Beytepe, Ankara, Turkey.
International journal of biological macromolecules
|July 31, 2024
概括
Hibiscus sabdariffa 作为一种新的基质,用于使用 Komagataeibacter 种类的细菌纤维素 (BC) 生产. 这种植物基媒介增强了BC产量,并创造了独特的多孔结构,可能取代传统方法.
科学领域:
- 微生物学和生物技术
- 材料科学 材料科学 材料科学
背景情况:
- 细菌纤维素 (BC) 是一种多功能生物聚合物,在各个行业都有应用.
- 传统的BC生产依赖于特定的文化媒介,通常是Hestrin-Schramm (HS) 媒体.
- 探索用于BC生产的替代,可持续基板对于工业可扩展性至关重要.
研究的目的:
- 研究Hibiscus sabdariffa作为一种新型基质,用于由科玛格菌物种的BC生产.
- 用H. sabdariffa. 评估不同科马加泰菌物种及其联合体在BC生产中的效率.
- 为了比较使用H. sabdariffa基媒体与HS媒体的BC生产和特征.
主要方法:
- 使用基于H. sabdariffa的介质,单独和联合种植Komagataeibacter intermedius,K. maltaceti和K. nataicola.
- 通过动优化BC生产.
- 描述BC属性,包括产量,生产力和耐热性.
主要成果:
- K. intermedius显示出最高的BC产量 (5.98 g/L) 和生产力 (3.56 × 10−2 g−1 h−1).
- 在所有测试的菌株中,动增强了BC的产生,在K. intermedius.中,产量高达7.63g/L.
- 与单一种植相比,联盟,特别是K. maltaceti-K. intermedius,显著增加了BC产量 (高达8.11g/L) 和水容量 (WHC).
- 与HS媒体相比,基于H. sabdariffa的媒介产生了更高的BC产量和WHC,特别是与K. maltaceti-K. intermedius联盟相比.
- 生产的BC呈现出具有高热阻力 (∼460-500°C) 的3D超细孔状结构.
结论:
- Hibiscus sabdariffa 是一种有前途且具有成本效益的基质,用于由 Komagataeibacter 种类的 BC 生产.
- 使用基于H. sabdariffa的介质可以提高BC产量和WHC,为HS介质提供可持续的替代品.
- 由此产生的BC因其独特的结构和热稳定性而具有工业应用的理想特性.
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