Research Progress in the Extraction and Purification Methods of Apocynum Venetum L.Flavonoids
In order to promote the development and application of the active components of flavonoids from Apocynum venetum L.in the textile field,the article first listed the main flavonoids of Apocynum venetum L.,and the extraction,separation and purification methods of the flavonoids from Apocynum venetum L.were described in detail.The extraction methods included solvent extraction,ultrasonic assisted extraction,supercritical fluid extraction,enzyme assisted extraction,microwave assisted extraction and ionic liquid extraction.The separation and purification methods included column chromatography and partition chromatography.At the same time,the extraction principles,advantages and disadvantages of various technologies were analyzed and compared.Finally,the future development in the process of extraction and purification of the flavonoids from Apocynum venetum L.were pointed out.
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