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Table 5 Methodological validation data of chemical markers

From: Tissues-based chemical profiling and semi-quantitative analysis of bioactive components in the root of Salvia miltiorrhiza Bunge by using laser microdissection system combined with UPLC-q-TOF-MS

Chemical markers

Calibration curve

R2

LOD (ng/mL)

LOQ (ng/mL)

Sa B

Y = 34.82X−5199.5

0.9997

44.31

75.00

DHTan I

Y = 903.46X+2021.7

0.9996

3.88

12.90

Tan I

Y = 245.31X+1718.4

0.9997

3.73

12.42

CTan

Y = 1410.80X+1063.5

1.0000

3.87

12.89

Tan II A

Y = 1531.80X+12447

0.9998

8.03

26.74