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[采用均匀设计优化荷叶超临界CO₂流体萃取工艺及GC-MS分析其化学成分]

[Optimize the extraction process with supercritical CO2 fluid from lotus leaves by the uniform design and analysis on the chemical constituents by GC-MS].

作者信息

Yin Hui-jing, Qian Yi-fan, Pu Cun-hai

机构信息

Techology Centre of Nanjing Zhongshan Pharmaceutical Co. Ltd, Nanjing 210012, China.

出版信息

Zhong Yao Cai. 2007 Apr;30(4):464-6.

PMID:17674804
Abstract

OBJECTIVE

To study the optimum parameters of the supercritical CO, fluid extraction of lotus leaves and chemical constituents of extractive matters.

METHODS

Supercritical CO2 fluid extraction condition was selected by uniform design. The extraction pressure, extraction temperature, extraction time were three factors in the experiment. GC-MS was applied for analyzing the extraction.

RESULTS

The optimum condition were obtained: the extraction pressure was 26 Mpa, the extraction temperature was 40 degrees C, the extracion time was 90 minutes. The major constituent was 1H-Pyrrole-2-carboxaldehyde, 1-ethyl-in extractive matters.

CONCLUSION

Uniform design can optimize the CO2 Supercritical Fluid Extraction process quickly and accuratly with satisfactory results.

摘要

目的

研究荷叶超临界CO₂流体萃取的最佳参数及提取物的化学成分。

方法

采用均匀设计法选择超临界CO₂流体萃取条件。实验中的三个因素为萃取压力、萃取温度、萃取时间。应用气相色谱-质谱联用仪（GC-MS）对提取物进行分析。

结果

得到最佳条件：萃取压力为26兆帕，萃取温度为40℃，萃取时间为90分钟。提取物中的主要成分为1-乙基-1H-吡咯-2-甲醛。

结论

均匀设计法能够快速、准确地优化CO₂超临界流体萃取工艺，结果令人满意。

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