Skip to main content

Advertisement

Table 1 Calibration curves, LOD and LOQ of the investigated compounds

From: Antioxidant activity and components of a traditional chinese medicine formula consisting of Crataegus pinnatifida and Salvia miltiorrhiza

Analyte Calibration curve Linear range/μg r LOD/ng LOQ/ng
Danshensu sodium Y=547569X- 21458 0.09-6.80 0.9993 39.0 97.6
Protocatechuic aldehyde Y=4413435X-17209 0.02-2.31 0.9999 2.0 20.0
Rosmarinic acid Y=2057826X+15905 0.03-3.60 0.9995 8.6 34.6
Lithospermic acid Y=1114788X-45648 0.08-8.00 0.9999 33.9 84.8
Salvianolic B Y=1113657X- 91003 0.04-10.80 0.9998 10.7 42.8
Salvianolic A Y=2744138X-38060 0.03-4.50 0.9997 6.0 30.0
Procyanidin B2 Y=630617X+1435 0.07-1.60 0.9996 25.0 75.0
(−)-Epicatechin Y=682521X-3363 0.05-1.80 0.9997 14.0 56.0