© Georg Thieme Verlag Stuttgart · New York
Quantitative Determination of Glycyrrhizic Acid in Liquorice Roots and Extracts by TLC–DensitometryStudies on the Evaluation of Crude Drugs, VI
13 January 2009 (online)
Quantitative determinations of glycyrrhizic acid in liquorice roots and extracts were made by TLC–densitometry, which directly determined glycyrrhizic acid. The glycyrrhizic acid content was 2.20–6.53 per cent in liquorice roots and 7.50–9.30 per cent in extracts.
Key Word Index
Glycyrrhiza glabra - Glycyrrhizic acid - TLC–Densitometry