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Quercetin

  • Li Li
  • Li Zhang
  • Guan-Hua Du
Chapter

Abstract

Quercetin, a plant polyphenol from the flavonoid group, is widely found in flowers, leaves, and fruits of various plants. Experimental studies showed that quercetin had antitumor, anti-inflammatory, anti-oxidation, hypoglycemic, anti-obesity, antidepressant, and other effects. However, there is still insufficient evidence shown that quercetin as a single component has a significant effect on the treatment of the disease in clinic. Threevein Aster, having quercetin as one of the main active ingredients, has been used for the domestic clinical treatment of chronic bronchitis in China. It is still unable to determine the recommended dietary intake of quercetin, due to the large structure of quercetin derivatives, the complexity of chemical properties, and the diversity of distribution in food. Therefore, a well-designed research scheme for the appropriate measurement and analysis methods in the study of quercetin’s food content, dietary intake, relative bioavailability, and metabolic process is of great significance to its application.

Keywords

Quercetin Polyphenol Flavonoid Threevein Aster 

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Copyright information

© Springer Nature Singapore Pte Ltd. and People's Medical Publishing House, PR of China 2018

Authors and Affiliations

  1. 1.Beijing Key Laboratory of Drug Targets Identification and Drug ScreeningCentre for Pharmaceutical Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

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