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ISO 11023:1999 Liquorice extracts (Glycyrrhiza glabra L.) -- Determination of glycyrrhizic acid content -- Method using high-performance liquid chromatography
standard by International Organization for Standardization, 10/01/1999
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This International Standard describes a method for determining the glycyrrhizic acid content of liquorice extract (Glycyrrhiza glabra L.) by high-performance liquid chromatography.
The method is not applicable to raw or ground liquorice root.