The Extractive Technique of Active Constituent in Six Insecticidal Plants

Abstract:

In this study, the soakage extraction method and the ultrasonic extraction method were used to extract active ingredients from Artemisia annua, Artemisia sieversiana, Artemisia mongolica，Artemisia scoparia, Artemisia lavandulaefolia and Artemisia japonica. Using the orthogonal experiment design, we studied the effects of four factors: extraction time, solid-liquid ratio, fineness and extraction times, on extracting active ingredients from Artemisia annua. We also optimized the extraction conditions of the ultrasonic wave method. The results showed that 95% ethanol solution was the best solvent for extracting components in these six species of Artemisia. The best extraction method was ultrasonic extraction method. The optimum extraction conditions of ultrasonic extraction were 1:20 of solid-liquid ratio, one time of extraction, 40 of degree of fineness and 40 minutes of extraction time.

• Periodical: Advanced Materials Research (Volumes 291-294)
• Pages: 2586-2590
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.291-294.2586
• Online since: July 2011
• Authors: Hui Wang, Ling Ma, Wei Ma
• Keywords: Active Constituent, Extractive Technique, Insecticidal Plant

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