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  Indian J Med Microbiol
 

Figure 1: Sample of Cujingqinjiao, peaks 17, 19, 21 and 24 were loganic acid, swertiamarin, gentiopicroside and sweroside

Figure 1: Sample of Cujingqinjiao, peaks 17, 19, 21 and 24 were loganic acid, swertiamarin, gentiopicroside and sweroside