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优化果果粉废弃物基媒介,以改善细菌纳米纤维素生产

Carlotta Minardi^1,2, Davide Bersanetti^1,3, Essi Sarlin¹

¹Faculty of Engineering and Natural Sciences, Tampere University, 33100 Tampere, Finland.

|October 26, 2024

概括

这项研究优化了果废弃物介质用于细菌纳米纤维素 (BC) 生产,实现了14倍的产量增加. 可持续的替代品,如消耗的面包师酵母水解剂,也被探索为BC生物发生.

科学领域:

生物技术是生物技术.
材料科学材料科学材料科学
可持续化学可持续化学

背景情况:

细菌纳米纤维素 (BC) 具有独特的特性,在各种应用中推动了需求.
可持续的BC生产至关重要,越来越重视利用废物生物质.
果纸质废弃物 (CPW) 是一个有希望的,未充分利用的生物生成资源.

研究的目的:

使用*Komagataeibacter sucrofermentans**优化果废弃物 (CPW) 介质,以提高细菌纳米纤维素 (BC) 生产.
调查BC生产的可持续替代品,减少对传统媒体组件的依赖.
描述由优化CPW介质产生的BC的特性.

主要方法:

普莱克特-伯曼设计选了关键介质参数 (pH,酵母提取物,CPW糖,注射剂).
响应表面方法 (中央复合设计) 优化了显著因素:CPW糖和酵母提取物.
材料表征评估了BC的热稳定性和结晶性.
使用的面包酵母解液 (BYH) 被评价为一种可持续的酵母提取物的替代品.

主要成果:

优化CPW介质的产量为66.7 ± 5.1 mgDW/gCPW,比未优化条件 (4.3 ± 0.4 mgBC/gCPW) 增加了14倍.
生产的BC表现出高热稳定性 (71%的结晶度,30%的质量在600°C保持).
使用使用过的面包机酵母水解剂,达到9.3 ± 0.6 g/L的BC标位,提高了工艺的可持续性.

结论:

果纸质废物是高产量的细菌纳米纤维素生产的有效基质.
优化显著提高了BC产量,证明了废物回收利用的潜力.
消耗的面包师酵母解剂在BC生物发生过程中为酵母提取物提供了一个可持续的替代品.

关键词:

科玛加塔是细菌的糖酵素.标签缅甸人缅甸人细菌纳米纤维素的细菌纳米纤维素面包酵母酵母的解剂果果粉废弃物果粉废弃物响应表面方法的方法.

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