用深度环氧化溶剂预处理大米的过程优化,以实现高效的糖生产
A Anuradha1, Muthu Kumar Sampath1
1Department of Bioengineering and Biotechnology, Birla Institute of Technology, Jharkhand, India.
Environmental technology
|July 3, 2023
概括
这项研究优化了化胆:尿素 (ChCl/U) 米的深度优化溶剂预处理. 该工艺有效地去除了红素和半纤维素,产生了可用于潜在的大规模应用的显著降解糖.
科学领域:
- 生物质预处理 生物质预处理
- 绿色化学 绿色化学
- 生物精炼是生物精炼的一种方式.
背景情况:
- 深度环氧溶剂 (DES) 正在成为生物质加工中的可持续替代品.
- 米是具有增值产品产生的潜力的一种纤维纤维素资源.
研究的目的:
- 为了合成和优化胆化物:尿素 (ChCl/U) 为大米皮预处理的深溶解剂.
- 评估DES预处理在提高可发酵糖产量的效率.
主要方法:
- 采用普莱克特-伯曼响应表面方法来优化DES摩尔比率,停留时间,温度和生物质度.
- 使用扫描电子显微镜 (SEM),富里埃变换红外线 (FTIR) 和X射线衍射 (XRD) 来进行预处理的米的表征.
主要成果:
- 在最佳的预处理条件下,在80°C下6个小时内使用2克大米,其ChCl/U比为1:2,产生0.67±0.05 mg/mL的降解糖.
- 根据SEM,FTIR和XRD分析的证据,DES预处理有效地去除了无形的红素和半纤维素含量.
- 该研究表明,在预处理后,大米的结构和组成特性显著改善.
结论:
- 开发的ChCl/U深度浸泡溶剂预处理对于加工大米皮非常有效.
- 这种简单可扩展的工艺对从生物质中大规模生产可发酵糖和其他有价值的化合物具有前景.
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