豆和酒厂的花费谷物水解剂完全取代了微藻生长的传统媒介:工艺性能和经济考虑
Mei Zhi Alcine Chan1, Vivian Jing Han Hau1, Byron Perez2
1Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore.
Bioresource technology
|September 10, 2024
概括
这项研究使用酒用谷物 (BSG) 和大豆乳糖 (SW) 水解剂来替代微藻种植中的葡萄糖,实现可比的生物质生产和生产率. 这种方法为异质微藻生物工艺提供了具有成本效益和可持续性的替代方案.
科学领域:
- 生物技术是生物技术.
- 微藻养殖 微藻养殖
- 循环经济是一个循环经济.
背景情况:
- 异质型微藻种植通常依赖于葡萄糖,这是一个昂贵的碳源.
- 价值化工业副产品,如BSG和SW可以提高过程的可持续性.
- 优化水解和介质成分对于高效的微藻生长至关重要.
研究的目的:
- 使用BSG和SW水解剂开发一种具有成本效益和可持续的介质,用于异质微藻生长.
- 优化水解条件,最大限度地从BSG和SW释放葡萄糖.
- 为了评估Auxenochlorella protothecoides在开发的介质中的生长性能.
主要方法:
- 优化了BSG和SW的轻度酸性水解,以释放葡萄糖.
- 化物以不同的比例混合,以找到最佳的介质组成.
- 在优化水解介质中评估了auxenochlorella protothecoides的生长,并与使用葡萄糖的博尔德基底介质 (BBM) 进行了比较.
主要成果:
- 优化的水解条件产生了来自BSG和SW的高葡萄糖度.
- 15%的SW-85%的BSG水解混合物支持了强大的A. protothecoides生长.
- 在水解介质中的生物质生产 (22.17 g/L) 和生产率 (7.06 g/L/day) 与BBM中的生产率相当.
- 水解基的估计生产成本在BBM的一个数量级之内.
结论:
- 在异质微藻种植中,BSG和SW水解酸可以有效地替代葡萄糖.
- 开发的综合方法证明了可持续生物加工的技术和经济可行性.
- 这种方法为增强微藻生物技术的循环性提供了一个有希望的策略,超出了A. protothecoides.
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