超临界CO萃取穗花大黄中总蒽醌工艺优选

薛鹏喜; 童志平; 谢远

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超临界CO萃取穗花大黄中总蒽醌工艺优选

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- 超临界CO萃取穗花大黄中总蒽醌工艺优选
- Optimization of Extraction Process for Total Anthraquinones from by Supercritical CO Method
- 中国实验方剂学杂志 2012年18卷第9期页码：56-58
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- 纸质出版日期：2012
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薛鹏喜, 童志平, 谢远. 超临界CO萃取穗花大黄中总蒽醌工艺优选[J]. 中国实验方剂学杂志, 2012,18(9):56-58.

XUE Peng-xi, TONG Zhi-ping, XIE Yuan. Optimization of Extraction Process for Total Anthraquinones from by Supercritical CO Method[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(9): 56-58.
薛鹏喜, 童志平, 谢远. 超临界CO萃取穗花大黄中总蒽醌工艺优选[J]. 中国实验方剂学杂志, 2012,18(9):56-58. DOI：

XUE Peng-xi, TONG Zhi-ping, XIE Yuan. Optimization of Extraction Process for Total Anthraquinones from by Supercritical CO Method[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(9): 56-58. DOI：

摘要

目的 :优化超临界CO2萃取穗花大黄中总蒽醌的工艺条件。方法 : 以萃取压力、萃取温度和萃取时间为考察因素

采用紫外-可见分光光度法测定总蒽醌含量

以大黄萃取物中总蒽醌的含量为评价指标

正交试验优选工艺条件。结果 : 最佳工艺条件为萃取压力25 MPa

萃取温度50 ℃

萃取2.0 h。提取物中总蒽醌的质量分数23.4 mg·g-1

总蒽醌转移率达91.4%。结论: 该工艺稳定可行

可用于穗花大黄总蒽醌的提取。

Abstract

Objective : To optimize extraction process conditions of total anthraquinones from Rheum spiciforme by supercritical CO2. Method: With extraction pressure

extraction temperature and extraction time as factors

the content of total anthraquinones from extract of R. spiciforme as index

the content of total anthraquinones was determined by UV-visible spectrophotometry

technology conditions were optimized by orthogonal test. Result: Optimum technology conditions were as follows:extraction pressure was 25 MPa

extraction temperature was 50 ℃

extracted 2.0 h.The content of total anthraquinones in extract was 23.4 mg·g-1

transfer rate was up to 91.4%. Conclusion: This process was stable and feasible

it could be used to extracting total anthraquinones from R. spiciforme.

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