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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