Parameter |
Acetylbarlerin |
Barlerin |
Shanzhiside methyl ester |
Limit of detection (LOD)
(µg ±SD) |
0.07 ±3.10 |
0.05 ±2.69 |
0.05 ±2.08 |
Limit of quantification (LOQ)
(µg ±SD) |
0.21 ±1.5 |
0.15 ±2.8 |
0.15 ±3.1 |
Linearity range (µg/spot) |
1.42 – 4.95 |
0.28 – 1.67 |
0.60 – 3.60 |
r2 |
0.997 |
0.995 |
0.992 |
Slope ±SD |
0.98 ±0.013 |
2.29 ±0.04 |
0.96 ±0.021 |
95 % Confidence interval of slope |
0.956 - 1.009 |
2.209 - 2.368 |
0.917 - 1.007 |
Intercept ±SD |
-203.14 ±42.7 |
249.52 ±40.5 |
53.82 ±49.89 |
95 % Confidence interval of intercept |
-293.60- (-112.68) |
163.73 - 335.32 |
-51.94 - 159.58 |