从Polygonum Cuspidatum中以离子液为基础的超声波酶辅助提取复星的工艺条件的优化
Hongyi Zhao1, Junping Wang1, Yutong Han1
1College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, PR China.
Ultrasonics sonochemistry
|June 29, 2024
概括
这项研究优化了使用离子液体和超声波酶辅助提取 (UEAE) 来从Polygonum Cuspidatum中提取复星. 新的绿色溶剂系统实现了2.90mg/g的高产量,证明了简化和更安全的提取过程.
科学领域:
- 自然产品化学 自然产品化学
- 绿色化学 绿色化学
- 生物技术是生物技术.
背景情况:
- 复星是一种强大的抗氧化剂,可以在Polygonum Cuspidatum (P.Cuspidatum) 中找到.
- 有效和环保的提取方法对于从植物来源获得复星至关重要.
- 传统的提取方法通常涉及苛刻的化学品和低产量.
研究的目的:
- 开发一种生产性和绿色的技术,从P. Cuspidatum中提取复星.
- 使用统计和计算模型优化提取参数.
- 评估不同优化模型的预测性能.
主要方法:
- 离子液体被选出它们在提取中的有效性.
- 使用了超声波酶辅助提取 (UEAE).
- 普莱克特-伯曼设计 (PBD) 确定了关键参数.
- 响应表面方法 (RSM) 和人工神经网络-遗传算法 (ANN-GA) 用于优化.
主要成果:
- 确定了最佳条件:2.18%的酶,58°C,29毫升/克的液体固体比,pH值5.5,30分钟,250瓦的超声波功率和0.5mol/L的1--3-甲基化物.
- 实现了2.90±0.15毫克/克的复星产量.
- 与RSM模型相比,ANN-GA模型显示出更高的预测准确性.
结论:
- 使用离子液体开发的UEAE方法在提取白醇方面非常有效.
- 新的绿色溶剂系统提高了提取效率,安全性和可行性.
- ANN-GA方法为优化天然产品提取过程提供了一个强大的工具.
相关概念视频
Optimizing Chromatographic Separations
377
Optimizing chromatographic separations is crucial for obtaining clean separations in a minimum amount of time. Optimization is required for several factors, including kinetic effects related to band broadening, plate height, capacity factor, and separation factor.
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
377
Extraction: Advanced Methods
446
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
446
High-Performance Liquid Chromatography: Elution Process
455
In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
455


