[超临界流体提取不含类Taxoids的红豆杉残叶总黄酮及单体组成的优化]。

中药材 Pub Date : 2016-09-01

Zhao-hui Li, Liu-ye Yan, Xiao-yan Yu, Xiao Ruan, Ben Liu, Qiang Wang

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引用次数: 0

摘要

目的:采用响应面法(RSM)优化超临界流体提取红豆杉不含类黄酮提取物(TREFT)的工艺条件。方法:采用四因素五水平的中心复合设计(CCD)优化提取工艺参数。研究了超临界流体CO2萃取TREFT中总黄酮、阿门托黄酮、槲皮素和银杏黄酮的提取时间、温度、压力和不同乙醇浓度及其相互作用对提取率的影响。结果:在最佳提取条件下，提取时间为2。2 h，提取温度为46℃。4℃时，萃取压力为22。6 MPa, 80 MPa。7%乙醇，总黄酮和单体组成实验指标为98。75.结论:TREFT总黄酮提取工艺稳定可行，可为TREFT资源化利用提供技术支持。

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[Optimization of Supercritical Fluid Extraction of Total Flavonoids and Monomer Compositions from Taxus Remainder Extracts Free of Taxoids].

Objective: To optimize the supercritical fluid extraction technology of flavonoids from taxus remainder extracts free of taxoids( TREFT) by response surface methodology( RSM).

Methods: By using a central composite design( CCD) in four factors and five levels to optimize the extraction parameters. The effects of extraction time, temperature, pressure and different concentration of ethanol and their interaction on the extraction rate of total flavonoids, amentoflavone, quercetin and ginkgetin which extracted from TREFT by supercritical fluid CO2 were investigated.

Results: Under optimal conditions of extraction time for 2. 2 h,and the extraction temperature was 46. 4 ℃,the extraction pressure was 22. 6 MPa, and 80. 7% ethanol, the index experimental of total flavonoids and monomer compositions was 98. 75.

Conclusion: The process of flavonoids extraction from TREFT is stable and feasible, which can provide technical support for the resource utilization of TREFT.

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来源期刊

中药材

自引率

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发文量

11364

期刊介绍： "Chinese Materia Medica" magazine was founded in 1978. It is a national-level academic journal of Chinese medicine science and technology approved by the State Science and Technology Commission and the Press and Publication Administration for public distribution at home and abroad. It is sponsored by the Chinese Materia Medica Information Center of the State Food and Drug Administration and is publicly distributed at home and abroad. It mainly reports on new technologies, new methods and new achievements in the production, scientific research and business management of Chinese medicine, and serves to promote the production and scientific and technological development of Chinese medicine, improve the output and quality of Chinese medicine, improve business management, and prosper the Chinese medicine industry.