Effects of Different Extraction Methods on the Determination of Ferulic Acid Content in Angelicae Sinensis Pieces
By measuring the content of ferulic acid using different extraction methods for Angelica sinensis pieces,the optimum extraction method was identified.Four conventional extraction methods were used to make samples in this experiment,including impregnation method,reflux extraction method,ultrasonic method and water extraction method,contents of ferulic acid in Angelica sinensis pieces prepared by different extraction methods were determined by high performance liquid chromatography(HPLC)method.The extraction rate of ferulic acid from A ngelica sinensis was used as evaluation index,the extraction effects of the four methods were compared.The results showed that the extraction rate of ferulic acid from Angelica sinensis pieces was the highest(0.081％)by immersion method in 70％ethanol solvent at room temperature for 7 days,which could be given priority in the experiment.
Angelicae sinensisFerulic acidExtracting technologyDetermination of contentHPLC
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