2008•Zhonghua zhongyiyao zazhiRequires access

Optimization of alcohol-extraction technology for Radix Pulsatillae by orthogonal design

Tan Zhi-jing

Abstract

Objective: To optimize the alcohol-extraction process and condition of Radix Pulsatillae.Methods: Alcohol concentration,the extraction time and number of extraction on effect of extraction rate of pulchinenoside B4 were evaluated by orthogonal design L9(34).Results: The optimum condition of the alcohol extraction was: 75% ethanol,3 times of extraction,3h for extraction process.Conclusion: The extraction method can be used for reference for the extraction process of Radix Pulsatillae.

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Key concepts: Extraction (chemistry), Radix (gastropod), Alcohol, Chromatography, Process (computing), Computer science, Chemistry, Botany