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Table 2 Precision, repeatability and stability (%RSD) of method

From: Comparative metabolic fingerprinting of Gentiana rhodantha from different geographical origins using LC-UV-MS/MS and multivariate statistical analysis

Analytes

Intra-day precision RSD%

Inter-day

Repeatability

stability

Day 1

Day 2

Day 3

RSD % (n = 6)

RSD % (n = 6)

RSD % (n = 6)

R t

P a

R t

P a

R t

P a

R t

P a

P a

P a

Loganic acid

0.63

1.49

1.03

1.57

0.98

2.51

0.58

1.67

1.33

2.36

Mangiferin

0.77

2.40

1.16

1.54

1.21

1.32

0.76

1.85

1.45

2.61

Sweroside

0.88

1.78

0.69

1.81

0.94

2.61

0.79

2.76

1.67

2.58

Swertiamarin

1.02

1.36

0.87

1.56

1.06

2.11

1.07

1.21

0.98

2.27

gentiopicroside

0.91

1.35

0.69

2.07

0.83

2.13

1.03

1.66

0.74

1.97

  1. Rt: retention times.
  2. Pa: peak areas.
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BMC Biochemistry

ISSN: 1471-2091

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