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  Indian J Med Microbiol
 

Figure 2: High-performance liquid chromatograph chromatogram of a mixed standard solution. 1. L-ephedrine, 2. D-pseudoephedrine, 3. L-methylephedrine, 4. amygdalin, 5. liquiritin, 6. cinnamic alcohol, 7. cinnamic acid, 8. cinnamic aldehyde, 9. glycyrrhizic acid

Figure 2: High-performance liquid chromatograph chromatogram of a mixed standard solution. 1. L-ephedrine, 2. D-pseudoephedrine, 3. L-methylephedrine, 4. amygdalin, 5. liquiritin, 6. cinnamic alcohol, 7. cinnamic acid, 8. cinnamic aldehyde, 9. glycyrrhizic acid