Title: Study on the Microwave-assisted Extraction of Chlorogenic Acid from Sunflower Disc
Abstract: Microwave-assisted extracting was used in extracting chlorogenic acid from sunflower disc,and every factor that may influence extracting chlorogenic acid was also researched.Taking the extraction ratio as the indicator,the ethanol concentration,the ratio of sample to solvent,the microwave time,the microwave power,the microwave temperature,the extraction temperature,the extraction time and pH degree were studied.By analyzing the elaborate factors,The optimum processes were as follows: the ethanol concentration 70%,the ratio of sample to solvent 1∶20,the microwave time 6 min,the microwave power 300 W,the microwave temperature 60℃,the extraction temperature 70℃,the extraction time 20 min and pH degree 7.At the same time,the extraction ratio reached 3.12% to supply some references for the industrial extraction of chlorogenic acid from sunflower disc.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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