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2013•Journal of Henan University of TechnologyRequires access

STUDY ON MICROWAVE-ASSISTED EXTRACTION OF TOTAL SAPONINS FROM CORN SILK

Xiaoyan Li

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Abstract

In this paper,we studied the microwave-assisted extraction process of total saponins from com silk, and determined the optimum conditions through single-factor and orthogonal experiments.The results showed that the optimum conditions were as follows:ethanol concentration 60%,solid-to-liquid ratio 1:40,microwave temperature 60℃,the extraction time 30 minutes and extraction twice.Under the optimum conditions,the extraction rate of the total saponins reached 4.12%,which was higher than that of the solvent heating extraction method by about 12%;and the extraction time was shortened by 5/6.

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What this paper is about

In this paper,we studied the microwave-assisted extraction process of total saponins from com silk, and determined the optimum conditions through single-factor and orthogonal experiments.The results showed that the optimum conditions were as follows:ethanol concentration 60%,solid-to-liquid ratio 1:40,microwave temperature 60℃,the extraction time 30 minutes and extraction twice.Under the optimum conditions,the extraction rate of the total saponins reached 4.12%,which was higher than that of the solvent heating extraction method by about 12%;and the extraction time was shortened by 5/6.

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Available abstract

In this paper,we studied the microwave-assisted extraction process of total saponins from com silk, and determined the optimum conditions through single-factor and orthogonal experiments.The results showed that the optimum conditions were as follows:ethanol concentration 60%,solid-to-liquid ratio 1:40,microwave temperature 60℃,the extraction time 30 minutes and extraction twice.Under the optimum conditions,the extraction rate of the total saponins reached 4.12%,which was higher than that of the solvent heating extraction method by about 12%;and the extraction time was shortened by 5/6.

Key concepts: Extraction (chemistry), Chromatography, Solvent, Microwave, Microwave power, Materials science, SILK, Chemistry

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