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Table 6 Linear fitting results of actual retention times by LCTRS method for BC and ITM

From: A novel multidimensional strategy to evaluate Belamcanda chinensis (L) DC and Iris tectorum Maxim based on plant metabolomics, digital reference standard analyzer and biological activities evaluation

No. BC ITM
Calibration curve R2 Calibration curve R2
Column 1 Y = 1.0425X − 3.9978 0.9995 Y = 1.0285X − 3.4495 0.9991
Column 2 Y = 0.9660X + 2.0604 0.9995 Y = 0.9480X + 2.6624 0.9996
Column 3 Y = 0.9967X − 0.9580 0.9994 Y = 0.9740X + 0.0858 0.9999
Column 4 Y = 0.9985X − 1.4591 0.9989 Y = 0.9686X − 0.3842 0.9994
Column 5 Y = 1.0189X − 4.5116 0.9945 Y = 0.9522X − 1.7815 0.9968
Column 6 Y = 0.9961X + 4.0136 0.9931 Y = 1.0885X + 0.7441 0.9954
Column 7 Y = 1.0128X − 0.3540 0.9997 Y = 1.0260X-0.9166 0.9997
Column 8 Y = 0.9829X + 1.1290 0.9998 Y = 0.9740X + 1.4514 0.9996
Column 9 Y = 0.9851X + 3.4759 0.9972 Y = 1.0386X + 1.5402 0.9983
Column 10 Y = 1.0075X − 1.0370 0.9999 Y = 0.9978X − 0.6472 0.9999
Column 11 Y = 0.9711X-1.1506 0.9929 Y = 0.8989X + 1.6232 0.9960
Column 12 Y = 1.0107X − 4.1726 0.9939 Y = 0.93393X − 1.2438 0.9971
Column 13 Y = 0.9632X + 3.0443 0.9997 Y = 0.9688X + 2.8581 0.9994
Column 14 Y = 0.9707X + 5.8023 0.9929 Y = 1.0602X + 2.8936 0.9959
Column 15 Y = 0.9838X + 4.0523 0.9952 Y = 1.0649X + 1.4692 0.9964
Column 16 Y = 1.0038X + 0.5351 0.9985 Y = 1.0407X − 0.8421 0.9987
Column 17 Y = 1.0233X − 2.1767 0.9999 Y = 1.0165X − 2.0256 0.9998
Column 18 Y = 0.9947X + 0.7155 0.9996 Y = 1.0065X + 0.2546 0.9994
Column 19 Y = 1.0340X − 3.6999 0.9995 Y = 1.0217X − 3.1698 0.9991