2013•Chinese Journal of Spectroscopy LaboratoryRequires access

Extracting Chlorophyll from Obsolete Soybean Shells Assisted with Ultrasonic

Tian Liu

Abstract

Chlorophyll was extracted from the obsolete soybean shells by ultrasonic.The effects of solvent,concentration of ethanol,the ratio of material to solvent(g·mL~(-1)),ultrasonic time and temperature on extraction rate,were investigated by single factor and orthogonal tests,then the demonstration and stability experiments were carried out.The optimal conditions were obtained as follow:absolute ethanol,the ration of material to solvent of 1:20(g·mL~(-1)),ultrasonic temperature of 70℃,and ultrasonic time of 40min.The chlorophyll was unstable in the extraction.

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Key concepts: Ultrasonic sensor, Solvent, Extraction (chemistry), Chlorophyll, Ethanol, Materials science, Chlorophyll a, Analytical Chemistry (journal)