Table 3. The total score of P. polyphylla var. yunnanensis from four different geographical areas (central, northwestern, southwestern and southeastern) in Yunnan Province.

ID	t(corr)[1]	t(corr)[2]	Total score	ID	t(corr)[1]	t(corr)[2]	Total score
47#	−0.171	−0.744	19.358	Total steroid saponins	−0.115	−0.287	7.499
42#	−0.241	0.713	18.344	41#	0.299	−0.209	5.254
36#	−0.014	0.708	18.323	35#	0.114	−0.201	5.150
17#	−0.740	−0.644	17.080	25#	−0.249	−0.186	4.967
29#	0.157	0.579	15.072	28#	−0.096	0.176	4.507
26#	0.334	−0.567	14.509	30#	0.138	0.155	4.103
38#	−0.379	−0.547	14.377	19#	0.242	0.140	3.760
20#	−0.221	0.553	14.194	48#	−0.653	0.138	3.208
21#	0.078	0.515	13.378	24#	0.042	0.115	2.995
39#	0.658	−0.439	10.997	polyphyllin II	0.367	−0.112	2.701
23#	0.528	−0.410	10.323	22#	0.142	0.082	2.194
43#	−0.159	0.393	10.089	34#	0.378	−0.060	1.354
37#	0.298	−0.376	9.580	polyphyllin VII	0.184	0.029	0.849
31#	0.262	0.358	9.411	32#	−0.124	0.033	0.789
27#	−0.958	−0.284	7.882	18#	0.247	0.016	0.544
40#	0.108	−0.299	7.674	polyphyllin I	−0.130	−0.009	0.295
33#	−0.019	0.294	7.594

Note: Total score = ABS ((t(corr)[1]*55.0%)+(t(corr)[2]*25.9%)), the first principal component explained 55.0% of total information, and the second principal component explained 25.9% of total information.