Skip to main content

Advertisement

Table 2 Regression equations of five main saponins in P. notoginseng

From: Saponin accumulation in the seedling root of Panax notoginseng

Saponin Regression equation P r 2 Test range (μg) LOD (ng) LOQ (ng)
R1 y = 584809x-47740 <0.001 0.9999 0.42-7.56 1.05 2.80
Rg1 y = 645054x+46049 <0.001 0.9999 1.66-29.88 1.11 2.77
Re y = 616766x-36027 <0.001 0.9993 0.24-4.23 1.18 2.65
Rb1 y = 456796x+125610 <0.001 0.9996 1.72-30.96 1.15 2.46
Rd y = 614439x-14119 <0.001 0.9999 0.41-7.38 1.02 2.73
  1. y: peak area;
  2. x: amount of analyte (μg);
  3. LOD: S/N = 4
  4. LOQ: S/N = 10
  5. r2: coefficient of determination
  6. S/N: signal to noise ratio