Extraction Methods and Its Research Progress of Plant Polyphenols
Plant polyphenols are a kind of important secondary metabolites that exist widely in plants.Plant polyphenols play an important ecological role.In this paper,the extraction methods of plant polyphenols and their research progress were analyzed.It was pointed out that the extraction methods of polyphenols had developed from traditional solvent extraction to ultrasonic-assisted extraction and microwave-assisted extraction.Compared with the traditional extraction methods,the new method has advantages in terms of extraction rate and energy consump-tion.However,these new methods still have some problems to be solved in industrial production and improving the extraction rate of polyphenol active components.Further development of polyphenol extraction methods with high extraction rate,good extract quality and low cost will become an important research direction for researchers in the future.The purpose of this study is to provide reference for the extraction of plant polyphenols in related fields.
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