• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>RSC Advances >Natural deep eutectic solvents as new green solvents to extract anthraquinones from Rheum palmatum?L.
【24h】

Natural deep eutectic solvents as new green solvents to extract anthraquinones from Rheum palmatum?L.

机译：天然深层共晶溶剂，可作为新的绿色溶剂从大黄中提取蒽醌。

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Natural deep eutectic solvents (NADESs) are efficient in extracting natural products. However, traditional organic solvents are toxic in the extraction of anthraquinones from Rheum palmatum L. To solve this problem, we applied natural deep eutectic solvent ultrasound-assisted extraction in this study for the extraction of total anthraquinones from R. palmatum L. Principal component analysis revealed that the selected NADES which consisted of lactic acid, glucose and water (LGH), was highly efficient in extracting anthraquinones from R. palmatum L. The ratio of lactic acid/glucose and the addition of water in LGH were investigated via a single-factor experiment. With a lactic acid/glucose ratio of 5?:?1 (mol/mol), and 10% of water (v/v), LGH had a high extraction yield to anthraquinones. Optimized by response surface methodology (RSM), the optimized extraction conditions of extraction time, extraction temperature and solvent-to-solid ratio of 1.5 h, 82 °C and 26 mL g ~(?1) , respectively. Under optimum conditions, the extraction yields of aloe-emodin, rhein, emodin, chrysophanol, physcion and total anthraquinones were 2.60 ± 0.01, 5.78 ± 0.02, 2.21 ± 0.02, 5.87 ± 0.02, 8.81 ± 0.01 and 25.27 ± 0.07 mg g ~(?1) , respectively. The enrichment and separation of five anthraquinones in LGH extraction solution were efficiently achieved using DM130 macroporous resin, with purities of 90.98%, 96.67%, 92.37%, 95.80% and 91.61% as indicated by HPLC, and recovery yields of 84.08%, 79.51%, 84.96%, 81.83% and 78.35%, respectively. LGH was environmentally friendly and highly efficient in extracting anthraquinones from R. palmatum L., and NADESs showed potential for the extraction of effective components from natural products.
机译：天然深共熔溶剂（NADES）可有效提取天然产物。然而，传统的有机溶剂在从大黄中提取蒽醌是有毒的。为解决这一问题，我们在本研究中采用天然深共熔溶剂超声辅助提取从大黄中提取总蒽醌。主成分分析揭示了由乳酸，葡萄糖和水（LGH）组成的所选NADES在从棕榈棕榈中提取蒽醌的效率很高。通过单步法研究了乳酸/葡萄糖的比例和水在LGH中的添加因素实验。乳酸/葡萄糖的比例为5？：？1（mol / mol），水的含量为10％（v / v），LGH对蒽醌的提取率很高。通过响应面法（RSM）进行优化，提取时间，提取温度和溶剂/固体比的最佳提取条件分别为1.5 h，82°C和26 mL g〜（？1）。在最佳条件下，芦荟大黄素，大黄素，大黄素，大黄酚，physion和总蒽醌的提取率为2.60±0.01、5.78±0.02、2.21±0.02、5.87±0.02、8.81±0.01和25.27±0.07 mg g〜（ ？1）。使用DM130大孔树脂可有效地实现LGH提取液中五种蒽醌的富集和分离，HPLC纯度分别为90.98％，96.67％，92.37％，95.80％和91.61％，回收率84.08％，79.51％ ，84.96％，81.83％和78.35％。 LGH对环境友好，从棕榈科植物中提取蒽醌的效率很高，而NADES显示出从天然产物中提取有效成分的潜力。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号