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- W2361942350 abstract "Objective:To Determine the total content of flavonoids in Alpinia officinarum Hance (AOH), in order to provide basis for working out the quality standard of the medicinal materials of AOH.Methods: Extracted the medicinal materials with ethanol, then extracted it with ethyl acetate, determined the total content of flavonoids in AOH by polyamide column chromatography-ultraviolet spectrophotometry. Results: The total content of flavonoids was 3.44%, the rate of recovery was 96.9% (RSD=2.1%). Conclusion: This method is accurate, stable and sensitive that may serve as a way of quality standard drawing up for the medicinal materials of AOH." @default.
- W2361942350 created "2016-06-24" @default.
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- W2361942350 date "2001-01-01" @default.
- W2361942350 modified "2023-09-24" @default.
- W2361942350 title "Determination of the Total Contents of Flavonoids in Alpinia officinarum Hance" @default.
- W2361942350 hasPublicationYear "2001" @default.
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