Chemical Differentiation of Genetically Identified Atractylodes japonica, A. macrocephala, and A. chinensis Rhizomes Using High-Performance Liquid Chromatography with Chemometric Analysis
Table 2
Mean and median value of Pearson’s correlation coefficient () among AJ, AM, and AC samples.
Extraction
Sample
Parameter
Correlation coefficient ()
AJ
AM
AC
Methanol extract
AJ
Mean
–
0.131
0.069
Median
–
0.146
–0.054
AM
Mean
0.131
–
–0.028
Median
0.146
–
–0.048
AC
Mean
0.069
–0.028
–
Median
–0.054
–0.048
–
Water extract
AJ
Mean
–
0.567
0.609
Median
–
0.584
0.626
AM
Mean
0.567
–
0.733
Median
0.584
–
0.800
AC
Mean
0.609
0.733
–
Median
0.626
0.800
–
AJ, A. japonica; AM, A. macrocephala; AC, A. chinensis.