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Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (15): 158-164.doi: 10.11924/j.issn.1000-6850.casb2022-0506

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Extraction and Detection of Flavonoid Compounds in Scutellaria baicalensis: A Review

LI Ke1(), FENG Linlin2, XUE Wanying1, TANG Yuyu1, HAO Jinghong1, YANG Liu1()   

  1. 1 Beijing Key Laboratory of New Technology in Agricultural Application/National Demonstration Center for Experimental Plant Production Education/Beijing University of Agriculture, Beijing 102206
    2 Beijing Kaixin Green Agricultural Technology Co., Ltd., Beijing 100081
  • Received:2022-06-27 Revised:2022-10-27 Online:2023-05-25 Published:2023-05-22

Abstract:

Scutellaria baicalensis is a traditional Chinese herbal medicine with high medicinal value. In order to extract and detect flavonoids from Scutellaria baicalensis, the methods of extracting flavonoid compounds from Scutellaria baicalensis roots and aboveground parts are summarized, such as organic solvent extraction, water extraction, etc. The separation and purification methods of flavonoid compounds in Scutellaria baicalensis roots and aboveground parts are analyzed, such as column chromatography, high speed counter-current chromatography, etc. The composition determination methods of flavonoid compounds in Scutellaria baicalensis roots and aboveground parts are sorted out, including high performance liquid chromatography and ultra-high performance liquid chromatography, etc. We also propose suggestions for improving the practical application of Scutellaria baicalensis, such as combining laboratory research with industrial production, improving experimental equipment and extraction process to provide convenience for industrial production, making full use of Scutellaria baicalensis resources to create social benefits, etc. Based on the analysis of flavonoid compounds, this paper reviews the research progress of extraction, separation and determination methods of flavonoid compounds from Scutellaria baicalensis roots and aboveground parts, thus providing technical reference for the large-scale development and application of flavonoids from Scutellaria baicalensis and laying technical foundation for further research and promotion of Scutellaria baicalensis resources.

Key words: flavonoid compounds, extraction assay, Scutellaria baicalensis, isolation and purification, organic solvent extraction, column chromatography, high performance liquid chromatography