Determination of Five Coumarins in Angelicae Pubescentis Radix from Different Origins by HPTLC-Scanning

Table 4

Principal components and weights of APR in different origins.

Component	Pca 1	Weighted value
Oxypeucedanin	0.8103	0.2005
Imperatorin	0.8557	0.2117
Osthole	0.8340	0.2064
Columbianadin	0.9144	0.2262
Isoimperatorin	0.6273	0.1552
Eigen value	3.3140
Cumulative (%)	66.2812