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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
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Chinese Medicine

ISSN: 1749-8546

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