Table 2: Precision and accuracy of MRM channel of fucoxanthinol and fucoxanthin.

Fucoxanthinol

Fucoxanthin

ng/ml

10

100

1000

10

100

1000

pg on column

50

500

5000

50

500

5000

Intra-day mean (pg on column)

39.0

577.0

4972.0

50.9

500.3

5002.4

Precision (%CVa)

21.2

2.7

2.0

16.9

11.8

6.2

Accuracy (%b)

78.6

115.3

99.4

101.8

100.7

100.0

Inter-day mean (pg on column)

41.0

543.0

4969.0

47.8

502.5

4999.8

Precision (%CV)

21.7

6.6

3.5

10.0

3.7

1.8

Accuracy (%)

81.8

108.6

99.4

95.5

100.5

100.0

 

a: percent coefficient of variation, b: percent ratio of measured amu per theoretical amu.