Table 2 3 in Molecular differentiation of Panax notoginseng grown under different conditions by internal extractive electrospray ionization mass spectrometry and multivariate analysis

Table 2 Several MS-based methods in the analysis of components in Panax notoginseng samples. MethodSampleSolventSampleAnalysisRefpretreatmentamountamounttimeGC-MSPowder, extract,~30010 g~70 minXie et al.centrifuge,mL(2007)derivatization,isolationHPLC-Powder, extract,~1 mL75 mg~80 minLai et al.MScentrifuge, isolation(2015b)DART-Powder, extract,~2 mL100 mg~20 minWangMScentrifugeet al.(2014)iEESI-No~100 μL0.5 mg~0.5 minThisMSreport