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  Indian J Med Microbiol
 

Figure 1: High-performance liquid chromatography chromatogram of standard 18α-glycyrrhetinic acid (a), 18β-glycyrrhetinic acid (b), and their mixture (c)

Figure 1: High-performance liquid chromatography chromatogram of standard 18α-glycyrrhetinic acid (a), 18β-glycyrrhetinic acid (b), and their mixture (c)